Herkimer (NY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Herkimer.
Climate overview of Herkimer
The climate in Herkimer, New York State, United States of America, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in July to -1°C (30°F) in January.
With around 1252 mm (49 in) of annual rain/snowfall, Herkimer 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 June.
Herkimer Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Herkimer - and find the best time to visit.
Monthly Temperature in Herkimer
In Herkimer, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 28°C (82°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 16°C (61°F) in July to -11°C (12°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Herkimer
Herkimer experiences significant rain/snowfall throughout the year, averaging 1252 mm (49 in) of precipitation annually. Herkimer can be quite wet during June, receiving approximately 156 mm (6.1 in) of precipitation over 17 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 68 mm (2.7 in) of precipitation spread across 18 snowy days. For more details, please visit our Herkimer 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 Herkimer
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
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Herkimer
What is the best time to visit Herkimer?
May and September typically offer the most optimal weather in Herkimer. In contrast, January, February, March, November and December tend to have less optimal conditions. Herkimer has warm summers and very cold winters.
What temperatures can I expect in Herkimer?
Daytime highs range from -1°C (30°F) in January to 28°C (82°F) in July. Nighttime lows range from -11°C (12°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Herkimer get?
Annual rainfall is around 1252 mm (49 in). June is the wettest month with 156 mm (6.1 in), while January is the driest with 68 mm (2.7 in).
Herkimer 3-Day Forecast
Herkimer on the map
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