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Weather & Climate
Thorold, Ontario, Canada
Overview
Available climate summaries for Thorold. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
9.4°C
Summer Avg
21.1°C
Winter Avg
-2°C
Record High
33.9°C
Record Low
-23.2°C
Annual Precipitation
871.7 mm
Avg Humidity
79%
Summer Humidity
72%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 13.2° | -3.1° | -18.9° | 58.6 | 86% | 44 | 71.9 |
| Feb | 15° | -3.1° | -23.2° | 51 | 85% | 60 | 69.8 |
| Mar | 22.7° | 0.7° | -20° | 57.7 | 82% | 104 | 68.9 |
| Apr | 23.1° | 6.2° | -9.9° | 75.3 | 79% | 135 | 65.6 |
| May | 28.6° | 12.7° | -1° | 81.2 | 78% | 171 | 60.4 |
| Jun | 32.9° | 18.7° | 4.4° | 80.1 | 75% | 182 | 40.5 |
| Jul | 33.9° | 22.4° | 8.3° | 86.5 | 71% | 186 | 43.2 |
| Aug | 32.6° | 22.1° | 12.8° | 71 | 71% | 164 | 43.4 |
| Sep | 31.1° | 18.6° | 6.2° | 81.3 | 73% | 125 | 52.2 |
| Oct | 27.8° | 11.7° | -0.3° | 88.7 | 78% | 78 | 60 |
| Nov | 20.8° | 5.5° | -7.6° | 70.2 | 81% | 48 | 73 |
| Dec | 15.6° | 0.3° | -14.6° | 70.1 | 85% | 36 | 66.1 |
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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