Boothbay Harbor, Maine Weather by Month

Boothbay Harbor, Maine Weather by Month

Boothbay Harbor is a picturesque town located in Lincoln County, on the mid-coast of Maine. Known for its stunning coastal views, charming downtown area, and rich maritime heritage, Boothbay Harbor is a popular destination for both tourists and residents alike. The town is situated approximately 58 miles northeast of Portland, Maine, and roughly 166 miles northeast of Boston, Massachusetts. The town’s geographical coordinates are approximately 43.8517° N latitude and 69.6289° W longitude.

Boothbay Harbor is part of the United States and has a vibrant history dating back to the 18th century. As of the most recent census, Boothbay Harbor has a population of around 2,000 residents, reflecting its small-town charm and tight-knit community. The area covered by Boothbay Harbor is approximately 9.3 square miles, encompassing residential neighborhoods, commercial districts, and expansive natural landscapes.

One notable company in Boothbay Harbor is the Hodgdon Yachts, one of the oldest shipyards in America, renowned for crafting luxury yachts and boats. Additionally, while Boothbay Harbor does not host a major university, it is home to the Bigelow Laboratory for Ocean Sciences, a renowned research institution that contributes to the town’s educational and scientific landscape.

Major landmarks in Boothbay Harbor include the Boothbay Railway Village, which showcases the region’s rich railroad history, and the Coastal Maine Botanical Gardens, one of the largest botanical gardens in New England. The historic Opera House at Boothbay Harbor is another key attraction, hosting a variety of performances and cultural events throughout the year. The town’s waterfront area is also a hub of activity, with its marinas, shops, and restaurants offering stunning views of the harbor and the Atlantic Ocean.

Climate and Weather Overview

Boothbay Harbor, Maine, experiences a humid continental climate, characterized by cold, snowy winters and mild to warm summers. The town receives moderate annual precipitation, with the majority occurring during the spring and fall months. The varied climate supports a diverse range of outdoor activities year-round, making Boothbay Harbor an attractive destination for both residents and visitors.

Average Monthly Temperature, Precipitation, and Sunny Days

Month Avg Temperature (°F) Avg Precipitation (inches) Avg Sunny Days
January 25.0 3.5 10
February 28.0 3.1 11
March 35.0 4.1 12
April 45.0 4.2 14
May 55.0 3.7 15
June 65.0 3.4 16
July 70.0 3.2 17
August 69.0 3.2 16
September 61.0 3.8 14
October 51.0 4.4 13
November 41.0 4.5 11
December 30.0 3.9 10

Detailed Weather by Month


January in Boothbay Harbor is the coldest month, with average temperatures around 25.0°F. The town typically receives about 3.5 inches of precipitation, mostly as snow. Sunny days are relatively few, averaging around 10 for the month.

Activities: Winter activities such as ice skating, sledding, and enjoying the winter landscape are popular during this time. The colder weather also provides an opportunity to visit local museums and indoor cultural venues. While major natural disasters are rare, occasional snowstorms and cold snaps can occur, requiring preparedness for extreme weather conditions.


February remains cold with average temperatures slightly higher at 28.0°F. Precipitation decreases slightly to about 3.1 inches, primarily as snow. The town enjoys approximately 11 sunny days in February.

Activities: This month is ideal for continuing winter sports and activities. The serene winter landscape is perfect for photography and exploring local parks. Indoor gatherings and cultural events, including Valentine’s Day celebrations, remain popular during this colder period.


March marks the beginning of the transition to spring, with average temperatures rising to 35.0°F. Precipitation increases to 4.1 inches, with more frequent rain and snow showers. The number of sunny days increases to 12.

Activities: As the weather starts to warm, early spring hikes and bird watching become more enjoyable. The longer days and blooming flora encourage outdoor activities, although trails can be muddy, so proper footwear is recommended. Local events and festivals celebrating the arrival of spring also begin to take place.


April brings milder temperatures, with averages around 45.0°F. Precipitation averages 4.2 inches, with more rain than snow. Sunny days become more frequent, averaging 14.

Activities: The arrival of spring blossoms makes April a perfect time for exploring the local parks and trails. Fishing season begins as rivers and lakes warm up, and it’s also an excellent time for visiting historical sites and museums. The warmer weather and blooming flowers create ideal conditions for photography and nature walks.


May sees a significant rise in temperatures, averaging 55.0°F. Precipitation decreases slightly to 3.7 inches. The number of sunny days increases to 15.

Activities: The warming weather encourages outdoor activities such as hiking, biking, and fishing. Local farmers’ markets begin to open, offering fresh produce and handmade goods. May is also a great time for bird watching and exploring the diverse flora and fauna of the nearby parks and nature reserves. The month is also known for its numerous festivals and community events.


June marks the beginning of summer with average temperatures around 65.0°F. Precipitation decreases slightly to 3.4 inches. Sunny days are plentiful, averaging 16.

Activities: This is an excellent time for camping, boating, and participating in local festivals. The warm, sunny weather is perfect for exploring the coastal areas and enjoying outdoor concerts and events. The numerous trails provide ample opportunities for adventure and exploration.


July is the warmest month in Boothbay Harbor, with average temperatures peaking at 70.0°F. Precipitation decreases further to 3.2 inches. Sunny days are most frequent, averaging 17.

Activities: Summer activities such as swimming, boating, and picnicking are popular. The Fourth of July celebrations in Boothbay Harbor include fireworks, parades, and community events. July is also a perfect time for outdoor adventures in the surrounding natural areas, with necessary precautions for sun protection.


August remains warm with average temperatures around 69.0°F. Precipitation remains steady at 3.2 inches. Sunny days are abundant, averaging 16.

Activities: The warm weather is ideal for continued summer activities. Local agricultural fairs and markets offer fresh produce and crafts. Hiking, biking, and camping are popular, and the nearby beaches provide excellent conditions for water sports and fishing.


September sees a gradual cooling with average temperatures dropping to 61.0°F. Precipitation increases slightly to 3.8 inches. Sunny days average 14.

Activities: This is a great month for outdoor sports and exploring historical sites. The cooler temperatures make hiking and biking more comfortable. The changing foliage adds a splash of color to the landscape. September is also a good time for attending local harvest festivals and enjoying the fall scenery.


October brings further cooling with average temperatures around 51.0°F. Precipitation increases slightly to 4.4 inches. Sunny days are frequent, averaging 13.

Activities: Fall festivals and harvest events are popular in October. The mild weather is perfect for visiting pumpkin patches, corn mazes, and enjoying the fall scenery. The nearby parks and forests are particularly beautiful during this month with their vibrant autumn colors.


November marks the transition to winter with average temperatures dropping to 41.0°F. Precipitation increases slightly to 4.5 inches. Sunny days average 11.

Activities: Indoor activities such as visiting museums and attending community events become more popular. The cooler weather signals the start of the holiday season, with local events and celebrations. November is also a good time for early holiday shopping in Boothbay Harbor’s charming shops and markets.


December is a cold month in Boothbay Harbor, with average temperatures around 30.0°F. Precipitation remains steady at 3.9 inches, primarily as snow. Sunny days are still relatively few, averaging 10.

Activities: Holiday festivities and winter sports like ice skating and snowshoeing are common. The colder weather and festive atmosphere make December a special time in Boothbay Harbor, with holiday markets and events adding to the charm. Exploring the rural landscape during the mild winter days can be particularly rewarding.

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