Coquitlam Climate by Month
Coquitlam, British Columbia, Canada
Warm summers and cool winters, with rain spread through the year.
Coquitlam has warm summers and cool winters, with rain spread through the year. Afternoon highs range from 43°F (6°C) in January to 76°F (25°C) in August, and January nights average 34°F (1°C). About 82 in (2095 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 76°F(25°C)
- Average high, August
- Coldest nights
- 34°F(1°C)
- Average low, January
- Rain per year
- 82 in(2095 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: July
Best and worst months in Coquitlam
Best for weatherThe most comfortable weather comes in July and August, with highs around 76°F (24°C) and about 2.3 in (59 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)
Coquitlam weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 43°F(6°C) | 34°F(1°C) | 13 in(334 mm) | 88% | 0.8 |
| FebFebruary | 47°F(9°C) | 35°F(2°C) | 5.9 in(149 mm) | 80% | 1.8 |
| MarMarch | 52°F(11°C) | 38°F(3°C) | 8.2 in(208 mm) | 69% | 2.6 |
| AprApril | 58°F(15°C) | 42°F(6°C) | 6.3 in(160 mm) | 73% | 4.1 |
| MayMay | 66°F(19°C) | 48°F(9°C) | 4.5 in(115 mm) | 69% | 5.2 |
| JunJune | 69°F(21°C) | 53°F(12°C) | 3.7 in(93 mm) | 71% | 5.5 |
| JulJulyBest | 75°F(24°C) | 57°F(14°C) | 2.0 in(51 mm) | 69% | 5.9 |
| AugAugustBest | 76°F(25°C) | 56°F(14°C) | 2.6 in(66 mm) | 68% | 5.0 |
| SepSeptember | 70°F(21°C) | 52°F(11°C) | 3.7 in(94 mm) | 72% | 3.5 |
| OctOctober | 58°F(14°C) | 44°F(7°C) | 8.9 in(226 mm) | 78% | 1.9 |
| NovNovember | 49°F(10°C) | 38°F(4°C) | 14 in(343 mm) | 82% | 0.9 |
| DecDecember | 43°F(6°C) | 35°F(1°C) | 10 in(256 mm) | 87% | 0.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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