Clinton (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Clinton.
Climate overview of Clinton
Temperatures in Clinton, Massachusetts, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while January is the coldest at 2°C (36°F).
The city receives considerable rain/snowfall, with around 1212 mm (48 in) annually. June is the wettest month. It has warm summers and very cold winters. May is the sunniest month, averaging 10.0 hours of sunshine per day.
Clinton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Clinton - and find the best time to visit.
Monthly Temperature in Clinton
The climate in Clinton is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold 2°C (36°F) in the coolest month, January.
Nights vary from 17°C (63°F) in July to around -9°C (16°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Clinton
Clinton has a notably wet climate with abundant precipitation, recording 1212 mm (48 in) of rain/snowfall per year. Precipitation levels in Clinton remain relatively steady throughout the year. June has the most rain, with 125 mm (4.9 in) over 15 days. In the driest month January, this drops slightly to 82 mm (3.2 in), making the city's climate fairly predictable. For more details, please visit our Clinton 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 Clinton
For those who appreciate different seasons, Clinton serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 10.0 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Clinton by Month
The relative humidity is high throughout the year in Clinton.
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 Clinton
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and September
- Warmest weather: July and August
- Most sunshine: May and July
- Fewest rainy days: February, March, September and November
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Clinton
What is the best time to visit Clinton?
May and September typically offer the most optimal weather in Clinton. In contrast, January, February, March and December tend to have less optimal conditions. Clinton has warm summers and very cold winters.
What temperatures can I expect in Clinton?
Daytime highs range from 2°C (36°F) in January to 29°C (84°F) in July. Nighttime lows range from -9°C (16°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Clinton get?
Annual rainfall is around 1212 mm (48 in). June is the wettest month with 125 mm (4.9 in), while January is the driest with 82 mm (3.2 in).
How sunny is Clinton?
Clinton 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, Clinton enjoys abundant sunshine.
Clinton 3-Day Forecast
Clinton on the map
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