Cornwall-on-Hudson (NY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cornwall-on-Hudson.
Climate overview of Cornwall-on-Hudson
Cornwall-on-Hudson, New York State, United States of America, sees big temperature differences between seasons, with July peaking at 29°C (84°F) and January dropping to 2°C (36°F).
Rain/snowfall is high, totalling around 1238 mm (49 in) per year. August is the wettest month and November the driest. The city also experiences warm summers and cold winters.
Cornwall-on-Hudson Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cornwall-on-Hudson - and find the best time to visit.
Monthly Temperature in Cornwall-on-Hudson
Visitors to Cornwall-on-Hudson can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a chilly 2°C (36°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -7°C (19°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cornwall-on-Hudson
Cornwall-on-Hudson is known for its substantial rain/snowfall, with annual precipitation reaching 1238 mm (49 in). While rainfall varies throughout the year, each season offers its own charm. August brings wetter days averaging 143 mm (5.6 in) of precipitation, spread over 12 rainy days.
In contrast, the driest month November experiences a drier climate, with about 72 mm (2.8 in) of rainfall spread across 9 rainy days. For more details, please visit our Cornwall-on-Hudson 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 Cornwall-on-Hudson
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
- Fewer rainy days: February, March, April, September and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Cornwall-on-Hudson
What is the best time to visit Cornwall-on-Hudson?
May and September typically offer the most optimal weather in Cornwall-on-Hudson. In contrast, January, February, March and December tend to have less optimal conditions. Cornwall-on-Hudson has warm summers and cold winters.
What temperatures can I expect in Cornwall-on-Hudson?
Daytime highs range from 2°C (36°F) in January to 29°C (84°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Cornwall-on-Hudson get?
Annual rainfall is around 1238 mm (49 in). August is the wettest month with 143 mm (5.6 in), while November is the driest with 72 mm (2.8 in).
Cornwall-on-Hudson 3-Day Forecast
Cornwall-on-Hudson on the map
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