Yosemite National Park is definitely worth a visit
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Dennis Port (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Dennis Port.
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Climate overview of Dennis Port
The climate in Dennis Port, Massachusetts, United States of America, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in July to 4°C (39°F) in February.
Rain/snowfall is high, totalling around 1225 mm (48 in) per year. December is the wettest month and August the driest. The city also experiences warm summers and cold winters. The most sunshine falls in July, with an average of 10.0 hours of daily sunshine.
Dennis Port Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dennis Port - and find the best time to visit.
Monthly Temperature in Dennis Port
In Dennis Port, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like February.
At night, you can expect temperatures ranging from 19°C (66°F) in July to around -4°C (25°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dennis Port
Dennis Port experiences significant rain/snowfall throughout the year, averaging 1225 mm (48 in) of precipitation annually. 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 August experiences a drier climate, with about 78 mm (3.1 in) of rainfall spread across 9 rainy days. For more details, please visit our Dennis Port 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 Dennis Port
Seasonal changes in sunshine hours are quite dramatic in Dennis Port. While July receives considerable daily sunshine with up to 10.0 hours, January marks the darkest time of the year, where sunshine is scarce with only 4.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Nantucket, the United States of America (41 KM, 25 Miles).
Daily hours of sunshine
Data from: Nantucket, the United States of America (41 KM, 25 Miles).
Best Time to Visit Dennis Port
For comfortable weather, consider visiting Dennis Port in June, July, August and September. Conditions are usually least favourable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
wet
Apr
mixed
May
good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
mixed
Nov
wet
Dec
wet
- 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 Dennis Port
What is the best time to visit Dennis Port?
June, July, August and September typically offer the most optimal weather in Dennis Port. In contrast, January, February, March, November and December tend to have less optimal conditions. Dennis Port has warm summers and cold winters.
What temperatures can I expect in Dennis Port?
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 Dennis Port get?
Annual rainfall is around 1225 mm (48 in). December is the wettest month with 136 mm (5.4 in), while August is the driest with 78 mm (3.1 in).
How sunny is Dennis Port?
Dennis Port 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, Dennis Port enjoys abundant sunshine.
Dennis Port 3-Day Forecast
Dennis Port on the map
Dennis Port is highlighted - select any city to see its climate.
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