Addison, Pennsylvania Weather by Month

By | May 6, 2024

Located in the southwestern part of Pennsylvania, Addison is a small borough situated in Somerset County. It is nestled amidst the picturesque landscape of the Laurel Highlands, surrounded by rolling hills, lush forests, and meandering streams. The borough lies approximately 77 miles southeast of Pittsburgh and is easily accessible via US Route 40, also known as the National Road, which runs through the heart of Addison. With a population of around 200 residents, Addison exudes a tranquil rural charm, offering visitors a peaceful retreat from the hustle and bustle of city life. The area is known for its rich history, dating back to the early 19th century when it served as a stop along the historic National Road, the first federally funded highway in the United States. Today, Addison retains much of its historic character, with charming historic buildings, quaint country roads, and scenic vistas that beckon travelers to explore its timeless beauty. Major landmarks in Addison include the Addison Toll House, a historic structure built in 1835 that served as a toll collection point for travelers on the National Road, and the nearby Fort Necessity National Battlefield, where visitors can learn about the area’s significance during the French and Indian War. Additionally, Addison is renowned for its proximity to outdoor recreational opportunities, including hiking, fishing, camping, and skiing in nearby state parks and forests. With its idyllic setting, rich history, and abundance of natural beauty, Addison offers a serene escape for those seeking to reconnect with nature and explore the charm of rural Pennsylvania.

Climate and Weather Overview

Average Monthly Climate Data for Addison, Pennsylvania

Month Average Temperature (°F) Precipitation (inches) Sunny Days
January 33°F 2.45 inches 11 days
February 37°F 2.40 inches 11 days
March 45°F 3.46 inches 12 days
April 56°F 3.66 inches 13 days
May 66°F 4.46 inches 14 days
June 74°F 4.43 inches 14 days
July 78°F 4.24 inches 14 days
August 76°F 3.96 inches 13 days
September 69°F 3.28 inches 12 days
October 58°F 2.81 inches 12 days
November 47°F 3.34 inches 11 days
December 37°F 2.71 inches 10 days

January

January in Addison is characterized by cold temperatures and occasional snowfall, with average highs around 33°F. The month typically sees light to moderate precipitation, with an average of 2.45 inches of rainfall. Despite the chilly weather, January offers opportunities for outdoor activities such as cross-country skiing, snowshoeing, and ice skating in nearby parks and recreational areas. Indoor activities such as visiting museums, attending cultural events, and cozying up by the fireplace with a good book provide options for staying entertained during the winter months.

February

February in Addison sees similar weather patterns to January, with cold temperatures and occasional snowfall. Average highs reach around 37°F, and precipitation levels remain relatively consistent at 2.40 inches. The month offers opportunities for outdoor recreation such as winter hiking, sledding, and wildlife viewing in nearby state parks and forests. February also marks the beginning of maple sugaring season, with opportunities for visiting sugarhouses and participating in maple syrup festivals. Indoor activities such as crafting workshops, cooking classes, and wine tastings provide options for staying active and engaged during the winter months.

March

March marks the transition to spring in Addison, with temperatures gradually warming up and the landscape coming to life with blooming flowers and budding trees. Average highs reach around 45°F, and precipitation levels increase slightly to 3.46 inches. The month offers opportunities for outdoor activities such as hiking, birdwatching, and nature photography in nearby parks and nature reserves. March also marks the beginning of trout fishing season, with opportunities for anglers to cast their lines in local streams and rivers. Indoor activities such as visiting art galleries, attending live performances, and participating in cooking classes provide options for enjoying the arts and culture of the region.

April

April brings milder temperatures and longer days to Addison, with average highs reaching around 56°F. The month typically sees moderate precipitation, with an average of 3.66 inches of rainfall. April offers opportunities for outdoor recreation such as biking, hiking, and picnicking in nearby parks and recreational areas. The spring bloom also brings opportunities for wildflower walks, garden tours, and photography outings. April is a popular time for visiting local farms and orchards, where visitors can participate in seasonal activities such as berry picking, flower picking, and farm-to-table dining experiences. Indoor activities such as visiting historic sites, exploring museums, and attending cultural events provide options for learning about the history and heritage of the region.

May

May is characterized by mild temperatures and blooming landscapes in Addison, with average highs around 66°F. The month typically sees moderate precipitation, with an average of 4.46 inches of rainfall. May offers opportunities for outdoor activities such as gardening, birdwatching, and nature walks in nearby parks and nature reserves. The warmer weather also brings opportunities for kayaking, canoeing, and fishing in local rivers and lakes. May is a popular time for attending outdoor festivals, farmers’ markets, and garden tours celebrating the arrival of spring. Indoor activities such as visiting art galleries, attending wine tastings, and taking cooking classes provide options for enjoying the arts and culinary delights of the region.

June

June brings warmer temperatures and longer days to Addison, with average highs reaching around 74°F. The month typically sees moderate precipitation, with an average of 4.43 inches of rainfall. June offers opportunities for outdoor activities such as hiking, biking, and camping in nearby parks and recreational areas. The warmer weather also brings opportunities for swimming, boating, and fishing in local lakes and rivers. June is a popular time for attending outdoor concerts, festivals, and farmers’ markets celebrating the arrival of summer. Indoor activities such as visiting art galleries, attending craft workshops, and exploring historic sites provide options for staying entertained during the summer months.

July

July is one of the warmest months in Addison, with average highs around 78°F. The month typically sees moderate precipitation, with an average of 4.24 inches of rainfall. July offers opportunities for outdoor activities such as swimming, sunbathing, and picnicking in local parks and recreational areas. The warmer weather also brings opportunities for hiking, mountain biking, and horseback riding in nearby forests and mountains. July is a popular time for attending outdoor festivals, fireworks displays, and community events celebrating the summer season. Indoor activities such as visiting museums, attending live performances, and dining at local restaurants provide options for enjoying the arts and culture of the region.

August

August in Addison brings continued warmth and sunshine, with average highs around 76°F. The month typically sees moderate precipitation, with an average of 3.96 inches of rainfall. August offers opportunities for outdoor activities such as camping, hiking, and fishing in nearby state parks and forests. The warmer weather also brings opportunities for swimming, boating, and kayaking in local lakes and rivers. August is a popular time for attending outdoor concerts, food festivals, and farmers’ markets celebrating the abundance of summer produce. Indoor activities such as visiting art galleries, attending cooking classes, and exploring historic sites provide options for staying entertained during the summer months.

September

September marks the transition to fall in Addison, with temperatures starting to cool down and the landscape turning vibrant shades of red, orange, and yellow. Average highs reach around 69°F, and precipitation levels increase slightly to 3.28 inches. September offers opportunities for outdoor activities such as hiking, leaf-peeping, and apple picking in nearby orchards and forests. The cooler weather also brings opportunities for birdwatching, wildlife viewing, and nature photography in local parks and wildlife areas. September is a popular time for attending fall festivals, harvest fairs, and pumpkin patches celebrating the season. Indoor activities such as visiting cider mills, attending craft workshops, and baking apple pies provide options for enjoying the flavors and traditions of fall.

October

October brings cooler temperatures and vibrant fall foliage to Addison, with average highs around 58°F. The month typically sees moderate precipitation, with an average of 2.81 inches of rainfall. October offers opportunities for outdoor activities such as hiking, leaf-peeping, and pumpkin picking in nearby parks and recreational areas. The cooler weather also brings opportunities for camping, bonfires, and hayrides in local forests and orchards. October is a popular time for attending fall festivals, corn mazes, and haunted attractions celebrating the spirit of Halloween. Indoor activities such as visiting cideries, attending wine tastings, and exploring historic sites provide options for enjoying the flavors and traditions of fall.

November

November in Addison sees cooler temperatures and increasing rainfall, with average highs around 47°F and precipitation averaging 3.34 inches. The month offers opportunities for outdoor activities such as hiking, birdwatching, and wildlife photography in nearby parks and nature reserves. November is also a popular time for hunting, with opportunities for deer, turkey, and small game hunting in local forests and fields. Indoor activities such as visiting art galleries, attending holiday craft fairs, and cooking Thanksgiving meals provide options for enjoying the season’s festivities.

December

December marks the onset of winter in Addison, with cooler temperatures and occasional snowfall. Average highs reach around 37°F, and precipitation averages 2.71 inches. The month offers opportunities for outdoor activities such as sledding, ice skating, and snowshoeing in nearby parks and recreational areas. December is also a popular time for holiday shopping, with opportunities for visiting Christmas markets, craft fairs, and holiday bazaars. Indoor activities such as baking cookies, decorating gingerbread houses, and watching holiday movies provide options for enjoying the warmth and coziness of the season.

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