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Weather & Climate
Winthrop, Maine, United States
Overview
Climate data and monthly weather averages for Winthrop.
Key Metrics
Annual Avg
6.5°C
Summer Avg
19.1°C
Winter Avg
-7.1°C
Record High
41.4°C
Record Low
-33.6°C
Annual Precipitation
1239.6 mm
Avg Humidity
84%
Summer Humidity
81%
Winter Humidity
92%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 11.9° | -8.8° | -33.5° | 71.9 | 93% | 51 | 33.5 |
| Feb | 12.9° | -7.7° | -33.6° | 75.6 | 93% | 71 | 35.1 |
| Mar | 24.2° | -2.2° | -31.4° | 80.6 | 86% | 116 | 37.5 |
| Apr | 28.2° | 5.2° | -10.3° | 106.8 | 80% | 139 | 28.4 |
| May | 29.4° | 12° | -2.4° | 102.9 | 79% | 164 | 23.7 |
| Jun | 33.9° | 17.1° | 2.5° | 134.4 | 81% | 168 | 18 |
| Jul | 41.4° | 20.5° | 8.6° | 107.6 | 81% | 181 | 20.1 |
| Aug | 40.2° | 19.8° | 7.6° | 108.2 | 80% | 163 | 25.9 |
| Sep | 34° | 15.8° | 1.5° | 89.4 | 79% | 127 | 25.9 |
| Oct | 27.5° | 8.9° | -5.2° | 138.6 | 81% | 82 | 27.9 |
| Nov | 20.9° | 2° | -20° | 108.9 | 85% | 52 | 26 |
| Dec | 16° | -4.9° | -30.2° | 114.7 | 91% | 40 | 31.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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