Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Jamestown (RI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Jamestown.
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Climate overview of Jamestown
Jamestown, Rhode Island, United States of America, sees big temperature differences between seasons, with July peaking at 27°C (81°F) and January dropping to 4°C (39°F).
Rain/snowfall is high, totalling around 1263 mm (50 in) per year. December is the wettest month and August the driest. The city also experiences warm summers and cold winters. The sunniest month is July, with 9.7 hours of sunshine per day on average.
Jamestown Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Jamestown - and find the best time to visit.
Monthly Temperature in Jamestown
Visitors to Jamestown can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in July, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like January.
At night, you can expect temperatures ranging from 19°C (66°F) in July to around -5°C (23°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Jamestown
Jamestown is known for its substantial rain/snowfall, with annual precipitation reaching 1263 mm (50 in). Year-round, Jamestown has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 132 mm (5.2 in), and the driest month, August, with 81 mm (3.2 in), is minimal. For more details, please visit our Jamestown 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 Jamestown
Seasonal changes in sunshine hours are quite dramatic in Jamestown. While July receives considerable daily sunshine with up to 9.7 hours, November 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: Providence, the United States of America (36 KM, 22 Miles).
Daily hours of sunshine
Data from: Providence, the United States of America (36 KM, 22 Miles).
Daily percentage of sunshine
Data from: Providence, the United States of America (36 KM, 22 Miles).
Humidity in Jamestown by Month
The relative humidity is high throughout the year in Jamestown.
The city experiences its highest humidity in August, reaching 73%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Providence, the United States of America (36 KM, 22 Miles).
Best Time to Visit Jamestown
The most comfortable overall weather for exploring Jamestown is usually found in August and September. Conditions are generally least comfortable in January, February, March, April 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
wet
May
very good
Jun
very good
Jul
very good
Aug
excellent
Sep
excellent
Oct
mixed
Nov
mixed
Dec
wet
- Best overall: August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Fewest rainy days: August, September and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Jamestown
What is the best time to visit Jamestown?
August and September typically offer the most optimal weather in Jamestown. In contrast, January, February, March, April and December tend to have less optimal conditions. Jamestown has warm summers and cold winters.
What temperatures can I expect in Jamestown?
Daytime highs range from 4°C (39°F) in January to 27°C (81°F) in July. Nighttime lows range from -5°C (23°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Jamestown get?
Annual rainfall is around 1263 mm (50 in). December is the wettest month with 132 mm (5.2 in), while August is the driest with 81 mm (3.2 in).
How sunny is Jamestown?
Jamestown receives around 2,598 hours of sunshine per year. July is the sunniest month with 290 hours, while November is the cloudiest with just 147 hours. Overall, Jamestown enjoys abundant sunshine.
Jamestown 3-Day Forecast
Jamestown on the map
Jamestown is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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