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Weather & Climate
Three Rivers, Massachusetts, United States
Overview
Climate data and monthly weather averages for Three Rivers.
Key Metrics
Annual Avg
9.4°C
Summer Avg
21.4°C
Winter Avg
-2.8°C
Record High
38.7°C
Record Low
-29.4°C
Annual Precipitation
1200.4 mm
Avg Humidity
80%
Summer Humidity
75%
Winter Humidity
88%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 18.5° | -4.4° | -29.4° | 76.3 | 89% | 54 | 33.7 |
| Feb | 19.9° | -3.3° | -27.9° | 81.2 | 88% | 72 | 32.2 |
| Mar | 23.6° | 1.1° | -24.6° | 96.1 | 83% | 113 | 31.4 |
| Apr | 32.5° | 7.7° | -9.5° | 102.9 | 78% | 141 | 27.7 |
| May | 31.5° | 14.1° | -1.4° | 92.7 | 78% | 164 | 21.5 |
| Jun | 35.4° | 19.2° | 3.2° | 117 | 78% | 172 | 17.8 |
| Jul | 38.3° | 22.9° | 9.2° | 102.6 | 74% | 184 | 15 |
| Aug | 38.7° | 22.2° | 9° | 102.6 | 72% | 164 | 25.2 |
| Sep | 36.5° | 18.3° | 2.9° | 105.6 | 73% | 129 | 22.6 |
| Oct | 31.1° | 11.2° | -8° | 123.4 | 78% | 85 | 29.3 |
| Nov | 23° | 4.7° | -14.9° | 90 | 82% | 58 | 25.3 |
| Dec | 19.9° | -0.8° | -21.9° | 110 | 87% | 44 | 30 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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