Chilliwack Climate: Weather by Month and Best Time to Visit
Best months for Chilliwack: July, August.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 2°C | -2°C | 342 mm | 20 | – | – | 2.7 |
| February | 4°C | -2°C | 215 mm | 15 | – | – | 3.3 |
| March | 7°C | 0°C | 264 mm | 20 | – | – | 3.5 |
| April | 11°C | 2°C | 172 mm | 18 | – | – | 4.5 |
| May | 16°C | 6°C | 122 mm | 15 | – | – | 5.9 |
| June | 18°C | 8°C | 102 mm | 15 | – | – | 6.4 |
| July | 22°C | 11°C | 61 mm | 9 | – | – | 7.9 |
| August | 22°C | 11°C | 73 mm | 9 | – | – | 7.9 |
| September | 19°C | 9°C | 124 mm | 11 | – | – | 6.9 |
| October | 12°C | 5°C | 256 mm | 17 | – | – | 4.5 |
| November | 5°C | 1°C | 371 mm | 20 | – | – | 3.3 |
| December | 2°C | -2°C | 325 mm | 20 | – | – | 2.6 |