Gloucester (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gloucester.
Climate overview of Gloucester
Gloucester, Massachusetts, United States of America, sees big temperature differences between seasons, with July peaking at 25°C (77°F) and February dropping to 3°C (37°F).
Rain/snowfall is high, totalling around 1264 mm (50 in) per year. December is the wettest month and September the driest. Sunshine peaks in May, when the city sees around 10.0 hours of sunshine per day.
Gloucester Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gloucester — and find the best time to visit.
Monthly Temperature in Gloucester
Visitors to Gloucester can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in July, the warmest time of the year, to a chilly 3°C (37°F) during cooler months like February.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -6°C (21°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gloucester
Gloucester is known for its substantial rain/snowfall, with annual precipitation reaching 1264 mm (50 in). While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 136 mm (5.4 in) of precipitation, spread over 14 rainy days.
In contrast, the driest month September experiences a drier climate, with about 80 mm (3.1 in) of rainfall spread across 9 rainy days. For more details, please visit our Gloucester Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Gloucester
Seasonal changes in sunshine hours are quite dramatic in Gloucester. While May receives considerable daily sunshine with up to 10.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Gloucester by Month
The relative humidity is high throughout the year in Gloucester.
The city experiences its highest humidity in August, reaching 72%. In February, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Gloucester
The weather does bring rainfall during this period, between 80 mm (3.1 in) and 129 mm (5.1 in). Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Gloucester
What is the best time to visit Gloucester?
July, August and September typically offer the most optimal weather in Gloucester. In contrast, January, February, March and December tend to have less optimal conditions.
What temperatures can I expect in Gloucester?
Daytime highs range from 3°C (37°F) in February to 25°C (77°F) in July. Nighttime lows range from -6°C (21°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Gloucester get?
Annual rainfall is around 1264 mm (50 in). December is the wettest month with 136 mm (5.4 in), while September is the driest with 80 mm (3.1 in).
How sunny is Gloucester?
Gloucester receives around 2,665 hours of sunshine per year. May is the sunniest month with 301 hours, while December is the cloudiest with just 141 hours. Overall, Gloucester enjoys abundant sunshine.
Gloucester 3-Day Forecast
Gloucester (MA) 3-Day Forecast
Gloucester on the map
Gloucester is highlighted — select any city to see its climate.
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