Maryland Weather by Month

Maryland, a state located in the Mid-Atlantic region of the United States, experiences a diverse range of weather patterns due to its varied geography, which includes coastal plains, rolling hills, and mountainous regions. The state has a humid subtropical climate in the eastern and central regions, while the western part of the state, particularly in the Appalachian Mountains, experiences a humid continental climate. Maryland’s four distinct seasons offer everything from hot, humid summers to cold, snowy winters, with pleasant springs and vibrant autumns in between. Summer temperatures often reach the 80s°F to 90s°F (27°C to 32°C), especially in the more urbanized areas like Baltimore and Washington, D.C. Winters can vary significantly across the state, with the western regions experiencing more snowfall and colder temperatures compared to the milder coastal areas. Spring and fall are transitional seasons, marked by moderate temperatures and beautiful changes in foliage, making these seasons ideal for outdoor activities. Maryland’s weather supports a variety of recreational opportunities throughout the year, from enjoying the beaches of the Eastern Shore to hiking in the Appalachian Mountains or exploring the rich history of cities like Annapolis and Frederick.

Average Temperature and Precipitation by Month

Month Avg Temp (°F) Avg Temp (°C) Avg Precipitation (inches)
January 35°F 2°C 3.1
February 38°F 3°C 2.8
March 46°F 8°C 3.9
April 56°F 13°C 3.3
May 66°F 19°C 4.1
June 75°F 24°C 3.7
July 80°F 27°C 4.3
August 78°F 26°C 4.1
September 71°F 22°C 3.9
October 59°F 15°C 3.4
November 49°F 9°C 3.3
December 39°F 4°C 3.3

Monthly Weather, Clothing, and Landmarks

January

Weather: January is the coldest month in Maryland, with average temperatures ranging from 24°F to 45°F (-4°C to 7°C). Snowfall is common, particularly in the western regions, while the eastern parts of the state, including the coastal areas, experience milder temperatures with occasional snow or freezing rain. The weather is typically dry, with cold winds making it feel even colder.

Clothing: To stay warm in January, dress in heavy winter clothing, including thermal layers, a down coat, insulated gloves, scarves, and a hat. Waterproof boots with good insulation are essential for navigating snow and ice, especially in rural and mountainous areas. For outdoor activities, snow pants or insulated leggings are recommended.

Landmarks: January is a great time to explore indoor attractions such as the Maryland Science Center in Baltimore, where interactive exhibits provide entertainment and education for all ages. For winter sports enthusiasts, head to Wisp Resort in western Maryland, which offers skiing, snowboarding, and snow tubing. If you prefer a more relaxed winter experience, visit the historic town of Annapolis, where you can enjoy quiet streets, colonial architecture, and waterfront views, all while staying cozy indoors with a hot beverage.

February

Weather: February in Maryland remains cold, with temperatures ranging from 27°F to 48°F (-3°C to 9°C). Snow and ice are still possible, particularly in the western and northern parts of the state. As the month progresses, there may be occasional warmer days, hinting at the coming spring, but winter conditions generally persist.

Clothing: Warm layers are essential in February, including a heavy winter coat, thermal clothing, and insulated boots. Gloves, a hat, and a scarf are necessary to protect against the cold winds. Waterproof outerwear is recommended, particularly in regions prone to snow and ice.

Landmarks: February is a great time to visit the National Aquarium in Baltimore, where you can explore a wide range of marine life in a warm indoor setting. For a romantic winter getaway, consider visiting the Catoctin Mountain Park in Thurmont, where you can enjoy winter hiking or simply relax in a cozy cabin. The town of Frederick offers a charming downtown area with historic buildings, boutique shops, and excellent dining options, making it a perfect destination for a winter day trip.

March

Weather: March marks the beginning of spring in Maryland, with average temperatures ranging from 35°F to 58°F (2°C to 14°C). The weather is variable, with the possibility of both snow and rain as the state transitions from winter to spring. Early blooming flowers and budding trees begin to appear, particularly in southern Maryland.

Clothing: Layered clothing is ideal for March, as temperatures can fluctuate throughout the day. A medium-weight jacket, along with a hat and gloves, is recommended for colder mornings and evenings. Waterproof boots are useful for navigating slushy or wet conditions.

Landmarks: March is a perfect time to visit the National Mall in Washington, D.C., where the cherry blossoms begin to bloom, signaling the start of spring. Although technically in Washington, D.C., the National Mall is easily accessible from Maryland and is a major attraction for residents and visitors alike. For a more serene experience, visit the Chesapeake and Ohio Canal National Historical Park, where the towpath offers excellent opportunities for hiking and biking as the weather warms. The Maryland Zoo in Baltimore is another great destination, as the animals become more active with the warmer weather.

April

Weather: April in Maryland brings more consistent spring weather, with temperatures ranging from 45°F to 68°F (7°C to 20°C). Rain showers become more frequent, helping to green the landscape and encourage the growth of flowers and trees. The weather remains cool, particularly in the mornings and evenings.

Clothing: Light layers, including long-sleeved shirts, a medium-weight jacket, and waterproof footwear, are ideal for April. An umbrella or raincoat is recommended for dealing with spring showers, and comfortable walking shoes are useful for exploring outdoor attractions.

Landmarks: April is a wonderful time to visit the U.S. Naval Academy in Annapolis, where you can tour the historic campus and learn about the training of naval officers. The warmer weather also makes it a great time to explore the Antietam National Battlefield in Sharpsburg, where you can walk the hallowed grounds of one of the most significant battles of the Civil War. The Eastern Shore of Maryland, including towns like Easton and St. Michaels, offers charming waterfront views and the chance to see the early spring migration of waterfowl.

May

Weather: May sees the full arrival of spring in Maryland, with temperatures ranging from 55°F to 75°F (13°C to 24°C). The weather is mild and pleasant, with frequent sunshine and occasional rain showers. Flowers and trees are in full bloom, making the state’s landscapes particularly beautiful during this time.

Clothing: Light, breathable clothing such as t-shirts, light jackets, and comfortable walking shoes are ideal for May. A rain jacket or umbrella may be needed for occasional showers, and sun protection, including sunscreen and a hat, is recommended.

Landmarks: May is an ideal time to visit the Maryland State House in Annapolis, the oldest state capitol in continuous legislative use, where you can learn about Maryland’s history and government. The Preakness Stakes, the second jewel in horse racing’s Triple Crown, takes place in May at Pimlico Race Course in Baltimore, offering a thrilling day of racing and tradition. For outdoor enthusiasts, the Great Falls of the Potomac, located along the Maryland-Virginia border, provides stunning views and challenging hiking trails, perfect for a spring adventure.

June

Weather: June ushers in summer across Maryland, with temperatures ranging from 65°F to 85°F (18°C to 29°C). The weather is warm, with longer daylight hours and moderate humidity. The state’s landscapes are lush and green, making it an ideal time for outdoor activities and events.

Clothing: Light, breathable clothing such as shorts, t-shirts, and sandals is recommended for June. A hat, sunglasses, and sunscreen are essential for sun protection, and a light jacket may be useful for cooler evenings, especially in coastal areas.

Landmarks: June is an excellent time to explore Maryland’s Eastern Shore, including a visit to Assateague Island National Seashore, where you can see wild horses, hike coastal trails, and enjoy the pristine beaches. The Chesapeake Bay Maritime Museum in St. Michaels offers a deep dive into the state’s maritime history and is a perfect stop during a summer road trip. For a more urban experience, head to Baltimore’s Inner Harbor, where you can explore historic ships, visit the National Aquarium, and enjoy waterfront dining.

July

Weather: July is the warmest month in Maryland, with temperatures ranging from 70°F to 90°F (21°C to 32°C). The weather is hot and humid, especially in the central and southern regions. Rain is less frequent, and the long days make it the peak season for outdoor activities and events.

Clothing: Wear light, breathable clothing such as shorts, tank tops, and sandals. Sun protection is crucial, so be sure to use sunscreen, wear sunglasses, and a hat. A light rain jacket or umbrella may be needed for occasional summer showers.

Landmarks: July is ideal for enjoying Maryland’s coastal attractions, such as a visit to Ocean City, a popular beach destination known for its boardwalk, amusement parks, and vibrant nightlife. The Fourth of July celebrations in Annapolis, Baltimore, and other cities include parades, concerts, and spectacular fireworks displays over the water. For a more laid-back experience, explore the wineries and vineyards along the Maryland Wine Trail, where you can sample local wines and enjoy the scenic countryside.

August

Weather: August continues the warm and humid summer weather in Maryland, with temperatures ranging from 68°F to 88°F (20°C to 31°C). The heat remains intense, especially in urban areas, but the state’s coastal and mountainous regions offer some relief. Thunderstorms are common in the afternoons, providing brief cooling showers.

Clothing: Light, airy clothing is necessary in August, including shorts, t-shirts, and sandals. Sunscreen, sunglasses, and a hat are essential for sun protection. A light rain jacket or umbrella is recommended for the frequent thunderstorms.

Landmarks: August is a great time to explore the Catoctin Mountain Park, where you can hike through cool, shaded trails and visit the nearby Cunningham Falls State Park, known for its beautiful waterfall and swimming areas. The Maryland State Fair, held in late August in Timonium, is another highlight, featuring agricultural exhibits, carnival rides, and live entertainment. The city of Frederick also offers a mix of history, culture, and dining, with its well-preserved downtown area and numerous festivals and events throughout the month.

September

Weather: September brings the first hints of fall to Maryland, with temperatures ranging from 60°F to 80°F (16°C to 27°C). The weather remains warm, but the humidity begins to decrease, making the outdoors more comfortable. The state’s landscapes start to show early signs of fall foliage, particularly in the western regions.

Clothing: Light layers are ideal for September, with t-shirts and shorts for the warmer parts of the day and a light jacket or sweater for cooler mornings and evenings. Comfortable walking shoes are recommended for exploring outdoor areas.

Landmarks: September is the perfect time to visit the Appalachian Trail, which passes through Maryland and offers excellent hiking opportunities with early fall colors. The Chesapeake Bay Maritime Museum in St. Michaels is another great destination, offering a mix of history, culture, and beautiful waterfront views. The Maryland Renaissance Festival, held in Crownsville, is a popular event in September, where you can step back in time and enjoy jousting, costumed performers, and a variety of medieval-themed entertainment.

October

Weather: October sees a significant drop in temperatures, ranging from 50°F to 70°F (10°C to 21°C). The fall foliage reaches its peak, particularly in the western and northern parts of the state. The weather is typically dry and sunny, making it perfect for outdoor activities and enjoying the vibrant autumn colors.

Clothing: Warmer layers, including sweaters, jackets, and long pants, are necessary for October. A heavier coat may be needed for cold days, especially in the western regions. Comfortable walking shoes are essential for exploring trails and parks.

Landmarks: October is the perfect time to visit Deep Creek Lake in western Maryland, where the fall foliage creates a stunning landscape of vibrant reds, oranges, and yellows. The town of Oakland, located near the lake, hosts the annual Autumn Glory Festival, featuring parades, craft shows, and other fall-themed activities. The Antietam National Battlefield in Sharpsburg is another must-visit destination in October, offering a somber and reflective experience amidst the beauty of the fall colors. For a more festive experience, visit one of Maryland’s many pumpkin patches or corn mazes, such as Butler’s Orchard in Germantown, for a fun family outing.

November

Weather: November in Maryland sees the onset of winter, with temperatures dropping to between 40°F and 60°F (4°C to 16°C). The fall foliage begins to fade, and the state starts to experience more frequent frosts and the possibility of the first snowfall of the season.

Clothing: Warm layers, including sweaters and jackets, are necessary in November. A winter coat, gloves, and a hat may be needed for colder days, particularly in the western parts of the state. Waterproof footwear is recommended for dealing with wet or frosty conditions.

Landmarks: November is a great time to visit the historic town of Annapolis, where you can explore the Maryland State House, the U.S. Naval Academy, and enjoy the early holiday decorations. The city of Baltimore offers a variety of indoor attractions, including the Walters Art Museum and the American Visionary Art Museum, both of which provide a warm retreat from the cooler weather. For a more adventurous experience, visit the Patapsco Valley State Park, where you can hike or bike along scenic trails and enjoy the last of the fall foliage.

December

Weather: December in Maryland is characterized by cold temperatures and the approach of winter, with averages ranging from 30°F to 50°F (-1°C to 10°C). Snow is possible, particularly in the western and northern regions, and the state’s landscapes take on a wintry appearance with bare trees and occasional snow cover.

Clothing: Heavy winter clothing, including coats, scarves, gloves, and hats, is necessary for staying warm in December. Waterproof boots are essential for navigating snow and slush. Layering is key to staying comfortable in the fluctuating indoor and outdoor temperatures.

Landmarks: December is the perfect time to experience the holiday season in Maryland. Visit the Festival of Lights at the Mormon Temple in Kensington, where the temple grounds are adorned with thousands of twinkling lights. The town of Frederick hosts the annual Candlelight Tour of Historic Houses, offering a glimpse into beautifully decorated homes and historic sites. For a traditional holiday experience, attend a performance of “The Nutcracker” by the Maryland Ballet or explore the Christmas markets and holiday displays in towns across the state, such as the Miracle on 34th Street lights display in Baltimore’s Hampden neighborhood.

Average Monthly Temperatures In Maryland