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Weather & Climate
Lewiston, Minnesota, United States
Overview
Climate data and monthly weather averages for Lewiston.
Key Metrics
Annual Avg
7.2°C
Summer Avg
21°C
Winter Avg
-7.9°C
Record High
39.3°C
Record Low
-38.2°C
Annual Precipitation
915.7 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 | 9.3° | -9.6° | -38.2° | 23.9 | 89% | 56 | 62.5 |
| Feb | 15.3° | -8° | -31.2° | 31.6 | 87% | 81 | 63 |
| Mar | 25.3° | -0.1° | -29.4° | 50.5 | 80% | 119 | 65.6 |
| Apr | 28° | 7.1° | -12.8° | 90.9 | 76% | 138 | 71.8 |
| May | 32.8° | 13.7° | -3.9° | 119.7 | 76% | 170 | 51.4 |
| Jun | 34.9° | 19.6° | 4.3° | 139.8 | 78% | 182 | 48.9 |
| Jul | 39.3° | 22.4° | 8.2° | 97 | 74% | 194 | 41.3 |
| Aug | 37.9° | 21° | 4.9° | 109.1 | 74% | 166 | 45.5 |
| Sep | 34.8° | 16.6° | -0.2° | 101.4 | 74% | 127 | 51.5 |
| Oct | 27.9° | 8.3° | -7.5° | 71.6 | 77% | 86 | 58 |
| Nov | 21.7° | 1.1° | -18.5° | 40.5 | 82% | 56 | 54.9 |
| Dec | 16.8° | -6.2° | -33.6° | 39.7 | 89% | 42 | 59.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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