Eastham (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Eastham.
Climate overview of Eastham
Eastham, 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.
With around 1224 mm (48 in) of annual rain/snowfall, Eastham has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and cold winters. The wettest month is December. The sunniest month is July, with 10.0 hours of sunshine per day on average.
Eastham Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Eastham - and find the best time to visit.
Monthly Temperature in Eastham
Depending on the time of the year, temperatures range from comfortable to chilly in Eastham. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In February, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).
At night, temperatures range from around 19°C (66°F) in July to -4°C (25°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Eastham
Eastham has a relatively rain/snowy climate with high precipitation levels, averaging 1224 mm (48 in) of rain/snowfall annually. Eastham experiences moderate seasonal variation in rainfall, with monthly averages ranging from 135 mm (5.3 in) in December, the wettest month, and 76 mm (3 in) in August, the driest month. For more details, please visit our Eastham 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 Eastham
Eastham can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.0 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 4.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Eastham
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: 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 Eastham
What is the best time to visit Eastham?
July, August and September typically offer the most optimal weather in Eastham. In contrast, January, February, March, November and December tend to have less optimal conditions. Eastham has warm summers and cold winters.
What temperatures can I expect in Eastham?
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 Eastham get?
Annual rainfall is around 1224 mm (48 in). December is the wettest month with 135 mm (5.3 in), while August is the driest with 76 mm (3 in).
How sunny is Eastham?
Eastham 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, Eastham enjoys abundant sunshine.
Eastham 3-Day Forecast
Eastham on the map
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