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Weather & Climate
Sioux Lookout, Ontario, Canada
Overview
Climate data and monthly weather averages for Sioux Lookout.
Key Metrics
Annual Avg
1.7°C
Summer Avg
17.6°C
Winter Avg
-16°C
Record High
34.3°C
Record Low
-44.6°C
Annual Precipitation
812.7 mm
Avg Humidity
84%
Summer Humidity
75%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 0.3° | -17.9° | -44.6° | 33.5 | 95% | 35 | 23.9 |
| Feb | 0.6° | -15.9° | -42.8° | 27.4 | 95% | 65 | 27.3 |
| Mar | 22.4° | -7.3° | -40.6° | 39.7 | 94% | 111 | 27.9 |
| Apr | 23.8° | 2° | -21.9° | 49.2 | 77% | 148 | 29.4 |
| May | 28.6° | 9.8° | -5.8° | 100.8 | 74% | 163 | 26.1 |
| Jun | 31.6° | 16.1° | -0.3° | 116.7 | 75% | 168 | 27.4 |
| Jul | 34.3° | 19° | 5° | 108.5 | 75% | 173 | 23.8 |
| Aug | 33.8° | 17.6° | 3.4° | 83.1 | 76% | 145 | 25.2 |
| Sep | 29.4° | 12.3° | -4° | 96.6 | 79% | 99 | 23.8 |
| Oct | 24.9° | 3.8° | -13.8° | 73.8 | 83% | 59 | 26.6 |
| Nov | 15.4° | -5° | -27.3° | 46.5 | 89% | 30 | 27.4 |
| Dec | 2.2° | -14.2° | -43.5° | 36.9 | 95% | 24 | 24.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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