Chilliwack Climate by Month
Chilliwack, British Columbia, Canada
Warm summers and cool winters, with rain spread through the year.
The climate in Chilliwack is one of warm summers and cool winters, with rain spread through the year. Expect highs of 78°F (26°C) in August and 43°F (6°C) in January, with the coldest nights (January) near 33°F (1°C). It gets 64 in (1637 mm) of rain a year, spread across the months.
- Warmest month
- 78°F(26°C)
- Average high, August
- Coldest nights
- 33°F(1°C)
- Average low, January
- Rain per year
- 64 in(1637 mm)
- No clear rainy season
- Humidity
- 70%
- Sunniest: July
Best and worst months in Chilliwack
Best for weatherJuly and August are the best time for weather in Chilliwack: highs near 78°F (26°C) and about 1.9 in (49 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 43°F (6°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Chilliwack weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 43°F(6°C) | 33°F(1°C) | 9.5 in(242 mm) | 77% | 0.9 |
| FebFebruary | 48°F(9°C) | 35°F(1°C) | 4.6 in(118 mm) | 68% | 1.9 |
| MarMarch | 53°F(12°C) | 38°F(3°C) | 6.4 in(163 mm) | 68% | 2.7 |
| AprApril | 61°F(16°C) | 43°F(6°C) | 4.6 in(118 mm) | 61% | 4.2 |
| MayMay | 68°F(20°C) | 50°F(10°C) | 3.5 in(88 mm) | 65% | 5.2 |
| JunJune | 72°F(22°C) | 54°F(12°C) | 3.1 in(79 mm) | 67% | 5.5 |
| JulJulyBest | 78°F(25°C) | 57°F(14°C) | 1.8 in(46 mm) | 66% | 6.1 |
| AugAugustBest | 78°F(26°C) | 57°F(14°C) | 2.0 in(52 mm) | 65% | 5.2 |
| SepSeptember | 72°F(22°C) | 51°F(11°C) | 2.9 in(74 mm) | 70% | 3.7 |
| OctOctober | 59°F(15°C) | 44°F(7°C) | 7.2 in(182 mm) | 76% | 1.9 |
| NovNovember | 50°F(10°C) | 39°F(4°C) | 11 in(283 mm) | 80% | 1.0 |
| DecDecember | 44°F(6°C) | 34°F(1°C) | 7.6 in(192 mm) | 75% | 0.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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