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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

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan0.3°-17.9°-44.6°33.595%3523.9
Feb0.6°-15.9°-42.8°27.495%6527.3
Mar22.4°-7.3°-40.6°39.794%11127.9
Apr23.8°-21.9°49.277%14829.4
May28.6°9.8°-5.8°100.874%16326.1
Jun31.6°16.1°-0.3°116.775%16827.4
Jul34.3°19°108.575%17323.8
Aug33.8°17.6°3.4°83.176%14525.2
Sep29.4°12.3°-4°96.679%9923.8
Oct24.9°3.8°-13.8°73.883%5926.6
Nov15.4°-5°-27.3°46.589%3027.4
Dec2.2°-14.2°-43.5°36.995%2424.9

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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