West Dennis (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit West Dennis.
Climate overview of West Dennis
West Dennis, Massachusetts, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in July, while winters cool to 4°C (39°F) in February.
The city receives considerable rain/snowfall, with around 1242 mm (49 in) annually. December is the wettest month. It has warm summers and cold winters. July is the sunniest month, averaging 10.0 hours of sunshine per day.
West Dennis Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in West Dennis - and find the best time to visit.
Monthly Temperature in West Dennis
Depending on the time of the year, temperatures range from comfortable to chilly in West Dennis. Typically, average maximum daytime temperatures range from a comfortable 26°C (79°F) in July to a chilly 4°C (39°F) in the coolest month, February.
Nights vary from 19°C (66°F) in July to around -4°C (25°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in West Dennis
West Dennis has a relatively rain/snowy climate with high precipitation levels, averaging 1242 mm (49 in) of rain/snowfall annually. West Dennis offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (138 mm (5.4 in)) and the driest month August (79 mm (3.1 in)) is not too significant. For more details, please visit our West Dennis 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 West Dennis
For those who appreciate different seasons, West Dennis serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.0 hours of sunshine daily, and embrace the darker days in January, offering only 4.9 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit West Dennis
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July, August and September
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: February, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in West Dennis
What is the best time to visit West Dennis?
June, July, August and September typically offer the most optimal weather in West Dennis. In contrast, January, February, March, November and December tend to have less optimal conditions. West Dennis has warm summers and cold winters.
What temperatures can I expect in West Dennis?
Daytime highs range from 4°C (39°F) in February to 26°C (79°F) in July. Nighttime lows range from -4°C (25°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does West Dennis get?
Annual rainfall is around 1242 mm (49 in). December is the wettest month with 138 mm (5.4 in), while August is the driest with 79 mm (3.1 in).
How sunny is West Dennis?
West Dennis receives around 2,605 hours of sunshine per year. July is the sunniest month with 301 hours, while January is the cloudiest with just 147 hours. Overall, West Dennis enjoys abundant sunshine.
West Dennis 3-Day Forecast
West Dennis on the map
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