Jamestown (NY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Jamestown.
Climate overview of Jamestown
Jamestown, New York State, 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 -1°C (30°F) in February.
With around 1221 mm (48 in) of annual rain/snowfall, Jamestown has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is December.
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
Depending on the time of the year, temperatures range from comfortable to very cold in Jamestown. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In February, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 14°C (57°F) in July to -11°C (12°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Jamestown
Jamestown has a relatively rain/snowy climate with high precipitation levels, averaging 1221 mm (48 in) of rain/snowfall annually. Jamestown experiences moderate seasonal variation in snow/rainfall, with monthly averages ranging from 127 mm (5 in) in December, the wettest month, and 76 mm (3 in) in February, the driest month. 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
Best Time to Visit Jamestown
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: February, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Jamestown
What is the best time to visit Jamestown?
September typically offers the most optimal weather in Jamestown. In contrast, January, February, March, November and December tend to have less optimal conditions. Jamestown has warm summers and very cold winters.
What temperatures can I expect in Jamestown?
Daytime highs range from -1°C (30°F) in February to 26°C (79°F) in July. Nighttime lows range from -11°C (12°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Jamestown get?
Annual rainfall is around 1221 mm (48 in). December is the wettest month with 127 mm (5 in), while February is the driest with 76 mm (3 in). In the coldest months, precipitation may fall as snow/rain.
Jamestown 3-Day Forecast
Jamestown on the map
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