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Coquitlam Weather by Month
Average temperatures, rainfall and humidity for Coquitlam, Canada, month by month, built from OpenWeather's historical records. Use it to see what a typical Coquitlam month looks like before you travel — then check the live Coquitlam forecast for the days ahead.
Warmest month
July
25°C average high
Coolest month
February
2°C average low
Wettest month
October
252 mm of rain
Driest month
July
39 mm of rain
Average temperature and rainfall in Coquitlam by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 7°C | 2°C | -14°C / 15°C | 157 mm | 86% | 8 km/h |
| February | 7°C | 2°C | -12°C / 16°C | 134 mm | 82% | 9 km/h |
| March | 11°C | 4°C | -3°C / 21°C | 194 mm | 79% | 9 km/h |
| April | 14°C | 6°C | 0°C / 24°C | 111 mm | 74% | 9 km/h |
| May | 19°C | 10°C | 3°C / 32°C | 88 mm | 72% | 8 km/h |
| June | 22°C | 12°C | 6°C / 40°C | 88 mm | 72% | 7 km/h |
| July | 25°C | 15°C | 10°C / 35°C | 39 mm | 70% | 8 km/h |
| August | 25°C | 15°C | 10°C / 35°C | 67 mm | 73% | 7 km/h |
| September | 21°C | 12°C | 5°C / 32°C | 110 mm | 80% | 7 km/h |
| October | 14°C | 8°C | -2°C / 26°C | 252 mm | 85% | 7 km/h |
| November | 9°C | 5°C | -8°C / 18°C | 250 mm | 85% | 8 km/h |
| December | 6°C | 2°C | -13°C / 15°C | 196 mm | 87% | 8 km/h |
Best time to visit Coquitlam
The most comfortable time to visit Coquitlam is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around October, totalling about 1685 mm a year.
Travellers who prefer heat should aim for July, when highs average 25°C. October is the month to avoid if rain would spoil your plans — it averages 252 mm, roughly 6× the rainfall of July.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Coquitlam forecast for what is happening now.