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Weather & Climate
Gananoque, Ontario, Canada
Overview
Climate data and monthly weather averages for Gananoque.
Key Metrics
Annual Avg
7.7°C
Summer Avg
20.5°C
Winter Avg
-5.7°C
Record High
36.2°C
Record Low
-31.3°C
Annual Precipitation
705.5 mm
Avg Humidity
78%
Summer Humidity
73%
Winter Humidity
88%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 14.2° | -7.3° | -30.4° | 48.1 | 89% | 42 | 43.7 |
| Feb | 13.2° | -6.5° | -31.3° | 42.6 | 88% | 62 | 42.7 |
| Mar | 25.4° | -1° | -27.8° | 43.1 | 79% | 109 | 43.7 |
| Apr | 26.2° | 6° | -10.8° | 57.6 | 75% | 137 | 39.2 |
| May | 33.9° | 13° | -3.4° | 60.4 | 75% | 172 | 28.6 |
| Jun | 33.7° | 18.3° | 2.3° | 72.9 | 75% | 179 | 22.2 |
| Jul | 36.2° | 21.8° | 7.6° | 67.6 | 72% | 187 | 20 |
| Aug | 35.5° | 21.3° | 8.3° | 60.4 | 71% | 162 | 22.4 |
| Sep | 33.8° | 17.3° | 1.3° | 60.3 | 72% | 124 | 29.8 |
| Oct | 27.2° | 9.8° | -5.4° | 79.4 | 77% | 77 | 26.7 |
| Nov | 19.9° | 3.2° | -14.8° | 56.1 | 81% | 47 | 33.3 |
| Dec | 16.1° | -3.3° | -27.2° | 57 | 86% | 34 | 38.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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