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Weather & Climate
Waterloo, New York, United States
Overview
Climate data and monthly weather averages for Waterloo.
Key Metrics
Annual Avg
9.2°C
Summer Avg
21.5°C
Winter Avg
-3.1°C
Record High
37.4°C
Record Low
-25.5°C
Annual Precipitation
1006.1 mm
Avg Humidity
79%
Summer Humidity
71%
Winter Humidity
89%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 16.2° | -4.3° | -20.9° | 62 | 90% | 44 | 37.8 |
| Feb | 18.2° | -3.8° | -25.5° | 59.6 | 89% | 62 | 44.7 |
| Mar | 25° | 0.6° | -20.8° | 67.3 | 83% | 103 | 37.7 |
| Apr | 29.4° | 7.2° | -7.4° | 82.8 | 78% | 134 | 34.3 |
| May | 34° | 14.2° | -1.7° | 88.7 | 75% | 168 | 28.7 |
| Jun | 36° | 19.5° | 3.6° | 97.5 | 73% | 175 | 22.6 |
| Jul | 37.4° | 22.8° | 9.4° | 98.9 | 69% | 183 | 20 |
| Aug | 36.4° | 22.1° | 9.9° | 94.5 | 70% | 161 | 23 |
| Sep | 34.4° | 18.1° | 3.2° | 90.9 | 72% | 124 | 25.8 |
| Oct | 31° | 10.9° | -3.3° | 107.6 | 78% | 79 | 30.7 |
| Nov | 24.4° | 4.4° | -17.6° | 73.5 | 83% | 51 | 35.8 |
| Dec | 19.1° | -1.2° | -17.2° | 82.8 | 89% | 35 | 31.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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