Jamestown (RI) Climate by Month
The temperature in Jamestown can vary quite a bit throughout the year.
Temperatures can be warm during the warmest months,
and cold during the cooler months.
It also has a notably wet climate with much precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
Visitors to Jamestown can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 27°C in July, the warmest time of the year, to a chilly 4°C during cooler months like February. At night, temperatures typically average around -5°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Jamestown is known for its substantial rain/snowfall, with annual precipitation reaching 1263 mm. Year-round, Jamestown has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 132 mm, and the driest month, August, with 81 mm, is minimal.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
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.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is low throughout the year in Jamestown.
Relative humidity over the year
The best time of year to visit Jamestown in the United States of America
During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 4°C.
December tops the wettest month list with 132 mm of rainfall.
August is the driest month with 81 mm of precipitation.
July is the sunniest month with an average of 290 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
