Watertown (NY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Watertown.
Climate overview of Watertown
The climate in Watertown, New York State, United States of America, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to -2°C (28°F) in February.
The city has a wet climate, receiving around 1097 mm (43 in) of rain/snowfall per year. October is the wettest month. The most sunshine falls in July, with an average of 9.3 hours of daily sunshine.
Watertown Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Watertown — and find the best time to visit.
Monthly Temperature in Watertown
In Watertown, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -2°C (28°F) in February.
Nighttime temperatures range from 16°C (61°F) in July to -13°C (9°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Watertown
Watertown experiences significant rain/snowfall throughout the year, averaging 1097 mm (43 in) of precipitation annually. The seasons in Watertown bring significant changes in precipitation. The wettest month, October, receives high rainfall, with an average of 135 mm (5.3 in) of precipitation. This rainfall is distributed across 18 rainy days.
In contrast, the driest month, March, experiences much less snow/rainfall, totaling 62 mm (2.4 in) over 13 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Watertown 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 Watertown
In Watertown, summer days are longer and more sunny, with daily sunshine hours peaking at 9.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Watertown
Frequently asked questions about the climate in Watertown
What is the best time to visit Watertown?
May, July, August and September typically offer the most optimal weather in Watertown. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Watertown?
Daytime highs range from -2°C (28°F) in February to 27°C (81°F) in July. Nighttime lows range from -13°C (9°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Watertown get?
Annual rainfall is around 1097 mm (43 in). October is the wettest month with 135 mm (5.3 in), while March is the driest with 62 mm (2.4 in).
How sunny is Watertown?
Watertown receives around 1,971 hours of sunshine per year. July is the sunniest month with 280 hours, while December is the cloudiest with just 75 hours.
Watertown 3-Day Forecast
Watertown (NY) 3-Day Forecast
Watertown on the map
Watertown is highlighted — select any city to see its climate.
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