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Weather & Climate
London, Ontario, Canada
Overview
Available climate summaries for London. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
8.8°C
Summer Avg
21.2°C
Winter Avg
-3.7°C
Record High
36.8°C
Record Low
-26.1°C
Annual Precipitation
659.7 mm
Avg Humidity
77%
Summer Humidity
68%
Winter Humidity
87%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 12.5° | -4.9° | -23.7° | 40 | 87% | 47 | 62.3 |
| Feb | 15.1° | -4.7° | -26.1° | 37.5 | 86% | 56 | 66.2 |
| Mar | 26.5° | 0.1° | -22.5° | 43.1 | 81% | 106 | 68.8 |
| Apr | 25.3° | 6.5° | -13.2° | 55.5 | 76% | 139 | 66.4 |
| May | 33° | 13.3° | -2.9° | 66.3 | 73% | 174 | 66.2 |
| Jun | 34.9° | 19.2° | 2.6° | 68.4 | 70% | 190 | 45.3 |
| Jul | 35.8° | 22.6° | 7.2° | 69.8 | 67% | 195 | 42.8 |
| Aug | 36.8° | 21.9° | 8.6° | 54.6 | 68% | 171 | 48.1 |
| Sep | 34.6° | 17.9° | 3.1° | 68.7 | 71% | 130 | 51.8 |
| Oct | 31.3° | 10.6° | -3.4° | 61.7 | 78% | 84 | 63.2 |
| Nov | 22.3° | 4.1° | -11.3° | 49.8 | 82% | 51 | 67.9 |
| Dec | 15.7° | -1.5° | -22.8° | 44.3 | 87% | 36 | 65.1 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
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