Average annual temperature is 12.2 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 118 days
Number of rainy days: 247 days
Look at detailed online map of Calais
* Weather data for Calais France is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.8 | 12.7 | 17.0 | 16.6 | 22.5 | 30.3 | 29.2 | 26.0 | 31.7 | 25.9 | 15.6 | 13.3 |
| Average daytime temperature (°C) | 8.6 | 9.0 | 10.3 | 11.8 | 15.2 | 21.4 | 20.8 | 20.5 | 22.8 | 17.1 | 11.1 | 10.0 |
| Average temperature (°C) | 6.7 | 6.3 | 7.8 | 8.6 | 12.3 | 17.5 | 17.9 | 17.7 | 18.7 | 14.3 | 9.3 | 8.3 |
| Average night temperature (°C) | 4.5 | 3.8 | 5.2 | 5.2 | 9.4 | 13.7 | 15.2 | 14.8 | 14.9 | 12.1 | 7.3 | 6.4 |
| Absolute minimum temperature (°C) | -3.1 | -3.0 | -1.5 | -0.8 | 4.1 | 10.8 | 12.5 | 12.3 | 11.7 | 3.7 | -1.1 | -3.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.5 | 10.0 | 11.9 | 13.8 | 15.5 | 16.4 | 16.0 | 14.5 | 12.6 | 10.7 | 9.0 | 8.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 3.9 | 5.3 | 5.0 | 8.6 | 11.6 | 12.9 | 11.4 | 11.0 | 9.4 | 6.3 | 3.5 | 2.7 |
| Precipitation (mm) | 101 | 25 | 151 | 74 | 28 | 25 | 82 | 91 | 58 | 137 | 152 | 108 |
| Sunny days | 8 | 15 | 2 | 8 | 15 | 21 | 5 | 8 | 16 | 9 | 4 | 7 |
| Rainy days | 23 | 13 | 29 | 22 | 16 | 9 | 26 | 23 | 14 | 22 | 26 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Calais during the most sunny months:
Months with the longest average daylight duration in Calais:
The largest precipitation sum in Calais is at