Boonsboro, Maryland Weather by Month

Boonsboro is a charming town located in Washington County, Maryland, United States. Situated in the beautiful Cumberland Valley, Boonsboro is surrounded by rolling hills, lush farmland, and scenic vistas. The town’s rich history dates back to the 18th century when it was settled by German immigrants seeking fertile land for farming. Today, Boonsboro is known for its small-town charm, historic landmarks, and outdoor recreational opportunities. Visitors to Boonsboro can explore the town’s historic downtown, hike along the nearby Appalachian Trail, or visit nearby attractions such as Antietam National Battlefield and Harpers Ferry National Historical Park.


Boonsboro is located in the western part of Maryland, approximately 9 miles northeast of Hagerstown and 56 miles northwest of Baltimore. The town is located in the foothills of South Mountain, part of the Blue Ridge Mountain range, offering residents and visitors stunning views of the surrounding landscape. Boonsboro’s proximity to the Appalachian Trail makes it a popular destination for outdoor enthusiasts, while its historic downtown district attracts visitors with its quaint shops, restaurants, and historic buildings.


As of the latest census data, Boonsboro has a population of approximately 3,500 residents. The town’s population has grown steadily over the years, fueled in part by its desirable location, small-town atmosphere, and strong sense of community. Residents of Boonsboro take pride in their town’s history and natural beauty, actively participating in local events, festivals, and community organizations.

Major Landmarks

Boonsboro is home to several notable landmarks and points of interest that highlight its rich history and cultural heritage. One of the town’s most iconic landmarks is the Washington Monument State Park, which features a stone tower commemorating George Washington’s contributions to the nation. Other major landmarks include the Boonsboro Trolley Museum, the Bowman House, and the Shafer Park, which offers recreational facilities and outdoor activities for residents and visitors alike.

Climate and Weather Overview

Boonsboro experiences a humid continental climate with four distinct seasons. Summers are typically warm and humid, while winters are cold and snowy. The town receives moderate rainfall throughout the year, with slightly higher precipitation levels in the spring and summer months. Boonsboro’s climate is influenced by its location in the Appalachian region, which can result in rapid changes in weather patterns and temperatures.

Average Climate Data

Below is a table detailing the average temperature, precipitation, and sunny days for each month in Boonsboro:

Month Average Temperature (°F) Average Precipitation (inches) Sunny Days
January 35°F 2.71 inches 12 days
February 38°F 2.56 inches 12 days
March 47°F 3.40 inches 13 days
April 58°F 3.51 inches 13 days
May 68°F 3.99 inches 14 days
June 76°F 3.98 inches 14 days
July 80°F 4.36 inches 13 days
August 79°F 3.77 inches 12 days
September 72°F 3.58 inches 11 days
October 61°F 3.15 inches 11 days
November 49°F 3.07 inches 11 days
December 38°F 2.79 inches 12 days

Weather by Month


January in Boonsboro brings cold temperatures and occasional snowfall, with average highs around 35°F (2°C). Winter storms can bring significant accumulations of snow and ice, impacting travel and outdoor activities. Despite the cold weather, residents and visitors can still enjoy indoor activities such as visiting local museums, attending community events, or cozying up with a book by the fireplace.

Recommended Activities:

  • Visiting the Washington Monument State Park
  • Exploring the Boonsboro Trolley Museum
  • Attending a performance at the Washington County Playhouse


February continues the cold and snowy weather patterns of January, with average temperatures hovering around 38°F (3°C). While occasional rainfall may occur, sunny days are common, making it a great time for outdoor activities. Visitors can explore Boonsboro’s historic downtown, visit local art galleries, or take a leisurely stroll along the Appalachian Trail.

Recommended Activities:

  • Exploring the historic buildings in downtown Boonsboro
  • Visiting the Bowman House Cultural Center
  • Taking a hike along the Appalachian Trail


March marks the transition to spring in Boonsboro, with temperatures warming up to around 47°F (8°C). The town experiences an increase in rainfall as the wet season begins, but sunny days are still prevalent. Visitors can enjoy outdoor activities such as hiking, biking, and birdwatching amidst the changing landscape of the Appalachian foothills.

Recommended Activities:

  • Hiking to Annapolis Rock for panoramic views of the Cumberland Valley
  • Birdwatching along the C&O Canal towpath
  • Attending the Maple Syrup Festival at nearby Cunningham Falls State Park


April brings mild temperatures and blooming flowers to Boonsboro, with average highs reaching 58°F (14°C). Spring is in full swing, with vibrant colors and fragrant blooms filling the air. Visitors can explore the area’s scenic countryside on hiking or biking excursions, go fishing in local streams and rivers, or attend spring festivals celebrating the season.

Recommended Activities:

  • Biking along the Western Maryland Rail Trail
  • Fishing in Antietam Creek for trout and bass
  • Attending the Flower and Garden Festival in downtown Boonsboro


May heralds the arrival of warmer temperatures and longer days in Boonsboro, with average highs around 68°F (20°C). The town experiences minimal rainfall and abundant sunshine, making it the perfect time for outdoor adventures and leisurely pursuits. Visitors can explore Boonsboro’s historic landmarks, go wine tasting at local vineyards, or enjoy a picnic in one of the town’s parks.

Recommended Activities:

  • Visiting the Pry House Field Hospital Museum at Antietam National Battlefield
  • Wine tasting at Big Cork Vineyards or Orchid Cellar Winery
  • Hosting a picnic at Shafer Park


June brings warm and sunny weather to Boonsboro, with average highs reaching 76°F (24°C). The town experiences an increase in outdoor activities as residents and visitors take advantage of the pleasant weather. Visitors can enjoy hiking, biking, and picnicking in local parks, or attend outdoor concerts, festivals, and community events celebrating the summer season.

Recommended Activities:

  • Picnicking at Greenbrier State Park
  • Attending the Boonsboro Green Fest
  • Exploring the shops and galleries in downtown Boonsboro


July is the warmest month in Boonsboro, with temperatures soaring to an average high of 80°F (27°C). The town experiences sunny days and mild evenings, perfect for outdoor recreation and leisure activities. Visitors can cool off in local lakes and rivers, go swimming or tubing, or enjoy picnics and cookouts with family and friends.

Recommended Activities:

  • Tubing down the Antietam Creek
  • Swimming at Greenbrier Lake
  • Hosting a barbecue at Shafer Park


August maintains warm and sunny weather in Boonsboro, with average highs around 79°F (26°C). The town experiences occasional afternoon thunderstorms, providing relief from the heat and helping to cool down the area. While outdoor activities may be limited during rainy periods, visitors can still enjoy indoor attractions, recreational facilities, and cultural events.

Recommended Activities:

  • Exploring the Washington County Museum of Fine Arts
  • Indoor rock climbing at the Climbing Center of Maryland
  • Attending indoor theater performances at the Maryland Theatre


September brings slightly cooler temperatures and decreasing rainfall to Boonsboro, with average highs around 72°F (22°C). While the summer season begins to taper off, visitors can still enjoy outdoor activities such as hiking, biking, and fishing amidst the changing foliage and crisp autumn air.

Recommended Activities:

  • Hiking along the Appalachian Trail to Weverton Cliffs
  • Fishing in the Potomac River for smallmouth bass and catfish
  • Attending a fall harvest festival or county fair


October marks the transition to fall in Boonsboro, with temperatures cooling down to around 61°F (16°C). The town experiences drier weather and lower humidity levels, making it an ideal time for outdoor activities and events. Visitors can enjoy scenic drives through the countryside, go apple picking at local orchards, or attend fall festivals celebrating the harvest season.

Recommended Activities:

  • Exploring the Crystal Grottoes Caverns
  • Visiting a pumpkin patch or corn maze
  • Attending a haunted house or ghost tour for Halloween


November brings cool temperatures and occasional frost to Boonsboro, with average highs around 49°F (9°C). The town experiences lower humidity levels and minimal rainfall, creating ideal conditions for outdoor recreation and leisure activities. Visitors can explore Boonsboro’s parks and nature trails, go birdwatching, or attend holiday events and festivals celebrating the season.

Recommended Activities:

  • Birdwatching at Greenbrier State Park
  • Hiking along the Appalachian Trail to Annapolis Rock
  • Attending the Boonsboro Christmas Parade and Tree Lighting Ceremony


December in Boonsboro brings cold temperatures and occasional snowfall, with average highs reaching 38°F (3°C). While winter weather is common, residents and visitors can still enjoy outdoor activities such as sledding, ice skating, and snowshoeing, followed by cozy evenings by the fireplace or dining at local restaurants.

Recommended Activities:

  • Ice skating at the Hagerstown Ice & Sports Complex
  • Sledding at Greenbrier State Park
  • Attending a holiday concert or theater performance

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