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Weather & Climate
Port Rowan, Ontario, Canada
Overview
Climate data and monthly weather averages for Port Rowan.
Key Metrics
Annual Avg
9.7°C
Summer Avg
21.3°C
Winter Avg
-1.7°C
Record High
30.1°C
Record Low
-23.1°C
Annual Precipitation
759.3 mm
Avg Humidity
78%
Summer Humidity
73%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 10.8° | -2.9° | -19.8° | 45.6 | 86% | 46 | 73.7 |
| Feb | 11.3° | -3.3° | -23.1° | 41.4 | 85% | 59 | 73.6 |
| Mar | 19.9° | 0.3° | -18° | 51.5 | 82% | 103 | 76.2 |
| Apr | 19.2° | 6.1° | -6.3° | 60.3 | 79% | 137 | 74.6 |
| May | 25.1° | 12.5° | 0.7° | 76 | 78% | 174 | 66.5 |
| Jun | 28.9° | 18.8° | 5.5° | 78.6 | 76% | 189 | 51.5 |
| Jul | 30.1° | 22.6° | 10.9° | 80 | 72% | 194 | 49.5 |
| Aug | 29.7° | 22.6° | 14° | 61.7 | 71% | 170 | 53.4 |
| Sep | 28.6° | 19.2° | 6.6° | 80.4 | 73% | 129 | 60.9 |
| Oct | 26.2° | 12.7° | 1.5° | 73.8 | 76% | 81 | 72.5 |
| Nov | 19.1° | 6.6° | -5.6° | 56.7 | 79% | 50 | 79.7 |
| Dec | 13.8° | 1.2° | -12.9° | 53.3 | 83% | 32 | 77 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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