Calais, Vermont Weather by Month


Calais, Vermont, is a quaint town located in Washington County in the central part of the state. It is situated in the northeastern United States and is part of the larger New England region. The town of Calais is known for its picturesque landscapes, characterized by rolling hills, dense forests, and serene lakes. These natural features contribute to its reputation as a peaceful and scenic area, perfect for outdoor enthusiasts and those seeking a tranquil lifestyle.

Calais is affiliated with the United States and embodies the rich cultural heritage and history of Vermont. According to recent estimates, the town has a population of around 1,600 residents, offering a tight-knit community atmosphere. Covering an area of approximately 38.8 square miles, Calais provides ample space for both residential living and outdoor recreation.

One of the notable landmarks in Calais is the Maple Corner Community Center, which serves as a hub for local events and activities. The town is also known for its historical sites, including several well-preserved 19th-century buildings that reflect its New England heritage. Additionally, Calais is home to the Kent Museum, which offers a glimpse into the area’s rich history and cultural significance.

Climate and Weather Overview

Calais experiences a humid continental climate, characterized by four distinct seasons. Winters are cold and snowy, while summers are warm and often humid. The town receives a significant amount of precipitation throughout the year, which supports its lush green landscapes and vibrant flora.

Average Temperature, Precipitation, and Sunny Days

Month Average High (°F) Average Low (°F) Average Precipitation (in) Average Sunny Days
January 26 5 2.5 12
February 30 8 2.1 11
March 40 19 2.8 12
April 54 32 3.0 13
May 66 42 3.4 14
June 75 51 3.6 14
July 80 56 3.7 14
August 78 54 3.6 13
September 70 47 3.3 12
October 58 36 3.4 12
November 44 28 3.2 10
December 31 13 2.7 10

Detailed Weather by Month


Weather Overview: January in Calais is cold with average high temperatures around 26°F and lows around 5°F. The month receives about 2.5 inches of precipitation, primarily in the form of snow.

Natural Disasters: January is typically free from major natural disasters, although heavy snowfalls can occasionally disrupt transportation and daily activities.

Recommended Activities:

  • Indoor Activities: Visiting the Kent Museum, participating in community events at the Maple Corner Community Center, and enjoying cozy indoor cafes.
  • Outdoor Activities: Snowshoeing, cross-country skiing, and winter hiking in the nearby forests.


Weather Overview: February remains cold with average highs of 30°F and lows of 8°F. Precipitation is slightly lower at 2.1 inches, still mostly snow.

Natural Disasters: Similar to January, February can experience heavy snowfalls but is generally calm.

Recommended Activities:

  • Indoor Activities: Attending local theater performances and exploring historical sites.
  • Outdoor Activities: Ice skating, sledding, and participating in winter festivals.


Weather Overview: March sees a warming trend with average highs of 40°F and lows of 19°F. Precipitation increases to 2.8 inches, with a mix of rain and snow.

Natural Disasters: March can occasionally have late winter storms, leading to heavy snowfall or ice.

Recommended Activities:

  • Indoor Activities: Visiting local libraries and indoor markets.
  • Outdoor Activities: Early spring hiking and maple sugaring events.


Weather Overview: April brings more significant warming with average highs of 54°F and lows of 32°F. Precipitation is around 3 inches, primarily rain.

Natural Disasters: April can experience spring storms and flooding due to melting snow.

Recommended Activities:

  • Indoor Activities: Participating in community workshops and art exhibits.
  • Outdoor Activities: Hiking, bird watching, and exploring blooming gardens.


Weather Overview: May is warm with average highs of 66°F and lows of 42°F. The month receives about 3.4 inches of precipitation.

Natural Disasters: May can experience thunderstorms but is generally a pleasant month weather-wise.

Recommended Activities:

  • Indoor Activities: Attending music festivals and indoor sporting events.
  • Outdoor Activities: Gardening, hiking, and participating in outdoor markets and fairs.


Weather Overview: June is hot with average highs of 75°F and lows of 51°F. Precipitation is around 3.6 inches, with occasional thunderstorms.

Natural Disasters: Thunderstorms are common in June, with a potential for severe weather including flash floods.

Recommended Activities:

  • Indoor Activities: Visiting museums, enjoying indoor concerts, and attending summer camps.
  • Outdoor Activities: Swimming, fishing, and enjoying local festivals and fairs.


Weather Overview: July is the hottest month with average highs of 80°F and lows of 56°F. It receives about 3.7 inches of precipitation.

Natural Disasters: Thunderstorms are frequent, with the potential for severe weather including flash floods.

Recommended Activities:

  • Indoor Activities: Enjoying air-conditioned venues like movie theaters and shopping malls.
  • Outdoor Activities: Water-based activities, visiting beaches, and attending Independence Day celebrations.


Weather Overview: August remains hot with average highs of 78°F and lows of 54°F. Precipitation is around 3.6 inches.

Natural Disasters: August can have thunderstorms and occasional heatwaves.

Recommended Activities:

  • Indoor Activities: Participating in indoor sports, visiting aquariums, and exploring science museums.
  • Outdoor Activities: Beach outings, boating, and outdoor concerts.


Weather Overview: September cools down with average highs of 70°F and lows of 47°F. The month sees about 3.3 inches of precipitation.

Natural Disasters: September is generally calm, though thunderstorms can still occur.

Recommended Activities:

  • Indoor Activities: Attending fall-themed indoor events, art classes, and community meetings.
  • Outdoor Activities: Fall festivals, visiting pumpkin patches, and enjoying nature walks.


Weather Overview: October has mild weather with average highs of 58°F and lows of 36°F. Precipitation is about 3.4 inches.

Natural Disasters: October is typically free from major natural disasters.

Recommended Activities:

  • Indoor Activities: Exploring historical museums, participating in craft fairs, and attending indoor Halloween events.
  • Outdoor Activities: Enjoying fall foliage, attending outdoor markets, and visiting local farms.


Weather Overview: November is cooler with average highs of 44°F and lows of 28°F. The month receives about 3.2 inches of precipitation.

Natural Disasters: November is generally calm but can experience occasional early winter storms.

Recommended Activities:

  • Indoor Activities: Attending Thanksgiving events, visiting indoor craft fairs, and enjoying indoor sports.
  • Outdoor Activities: Hiking in cooler weather, visiting holiday markets, and starting to prepare for winter activities.


Weather Overview: December is cold with average highs of 31°F and lows of 13°F. Precipitation is around 2.7 inches, with potential for snow.

Natural Disasters: December can see occasional snowstorms and icy conditions.

Recommended Activities:

  • Indoor Activities: Enjoying holiday-themed events, visiting shopping centers, and participating in community gatherings.
  • Outdoor Activities: Holiday light tours, winter bird watching, and attending outdoor holiday markets.

Calais, Vermont, with its varied climate and rich history, offers a range of activities and experiences throughout the year. Whether you are interested in exploring the great outdoors or enjoying cultural events, there is always something to do in this charming town.

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