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Weather & Climate
Westerly, Rhode Island, United States
Overview
Climate data and monthly weather averages for Westerly.
Key Metrics
Annual Avg
10.5°C
Summer Avg
21.3°C
Winter Avg
-0.2°C
Record High
37.7°C
Record Low
-22.9°C
Annual Precipitation
1178.2 mm
Avg Humidity
80%
Summer Humidity
77%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 16° | -1.6° | -21.2° | 81.8 | 86% | 58 | 46.4 |
| Feb | 15.8° | -1° | -22.9° | 82 | 84% | 77 | 40.4 |
| Mar | 21.4° | 2.4° | -15.7° | 108.2 | 82% | 119 | 43.8 |
| Apr | 30.2° | 7.9° | -5.9° | 107.1 | 80% | 150 | 42.9 |
| May | 29.4° | 13.6° | 0.5° | 88 | 79% | 173 | 26 |
| Jun | 33.4° | 18.8° | 5.9° | 104.1 | 80% | 182 | 25.7 |
| Jul | 37.7° | 22.7° | 10.7° | 88.4 | 77% | 191 | 23.2 |
| Aug | 36.3° | 22.5° | 11.8° | 87.1 | 75% | 171 | 40.2 |
| Sep | 34.3° | 19° | 6.5° | 99.9 | 76% | 134 | 28.8 |
| Oct | 28.7° | 12.8° | -3.8° | 120.6 | 78% | 93 | 43 |
| Nov | 23.2° | 7° | -10.6° | 96 | 81% | 62 | 38.7 |
| Dec | 19.2° | 1.9° | -14.7° | 115 | 85% | 48 | 40.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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