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Weather & Climate
Duncan, British Columbia, Canada
Overview
Climate data and monthly weather averages for Duncan.
Key Metrics
Annual Avg
10.2°C
Summer Avg
17.5°C
Winter Avg
3.8°C
Record High
35.4°C
Record Low
-10°C
Annual Precipitation
875.2 mm
Avg Humidity
81%
Summer Humidity
72%
Winter Humidity
88%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 11.6° | 3.8° | -10° | 123.4 | 90% | 30 | 36.6 |
| Feb | 12.6° | 4.1° | -7.6° | 67.8 | 85% | 52 | 37.9 |
| Mar | 19.3° | 5.9° | -5.3° | 90.2 | 84% | 90 | 37.8 |
| Apr | 24.8° | 8.5° | 0.4° | 60 | 79% | 130 | 38.5 |
| May | 29.3° | 12.6° | 2.7° | 44.9 | 76% | 171 | 30.4 |
| Jun | 31.1° | 15.3° | 6.3° | 37.5 | 75% | 180 | 25.7 |
| Jul | 34.4° | 18.5° | 8.5° | 23.3 | 71% | 203 | 20.4 |
| Aug | 35.4° | 18.7° | 9.4° | 28.5 | 71% | 171 | 32.9 |
| Sep | 29.7° | 15.3° | 5.9° | 51.6 | 76% | 117 | 33.3 |
| Oct | 22.2° | 10.3° | -0.5° | 97.6 | 83% | 68 | 38.4 |
| Nov | 18.4° | 6.1° | -9° | 132.3 | 88% | 34 | 42.1 |
| Dec | 13.1° | 3.6° | -10° | 118.1 | 90% | 24 | 40.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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