Unlock deeper multi-jurisdiction research
Full sub-pages, saves, and alerts are available on paid plans.
Weather & Climate
Herkimer County, New York, United States
Overview
Climate data and monthly weather averages for Herkimer County.
Key Metrics
Annual Avg
5.9°C
Summer Avg
17.9°C
Winter Avg
-6.8°C
Record High
32.3°C
Record Low
-34.7°C
Annual Precipitation
1260.2 mm
Avg Humidity
87%
Summer Humidity
83%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 14.2° | -8.3° | -34.7° | 81.8 | 95% | 46 | 36.8 |
| Feb | 17.8° | -7.4° | -29.8° | 78.1 | 95% | 63 | 42.8 |
| Mar | 21.2° | -2.7° | -28.3° | 84.6 | 90% | 107 | 34.2 |
| Apr | 26.4° | 4.6° | -15.6° | 102.6 | 82% | 135 | 29.6 |
| May | 29.8° | 11.8° | -4° | 110.4 | 81% | 161 | 23.8 |
| Jun | 32.3° | 16.5° | -0.4° | 127.5 | 82% | 170 | 18 |
| Jul | 30.4° | 19.1° | 5.1° | 113.5 | 83% | 178 | 21.7 |
| Aug | 30.6° | 18.2° | 5.6° | 114.4 | 83% | 157 | 24.8 |
| Sep | 29.3° | 14.6° | -1.2° | 102 | 82% | 123 | 21.2 |
| Oct | 24.9° | 7.7° | -8.1° | 138.9 | 85% | 76 | 25.2 |
| Nov | 19.7° | 1.3° | -24.9° | 96 | 89% | 49 | 27.8 |
| Dec | 16.6° | -4.6° | -28.9° | 110.4 | 94% | 35 | 29.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
Subscribe to unlock the full sub-page depth for additional jurisdictions.
You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.