Average annual temperature is 12.0 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 135 days
Number of rainy days: 230 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) | 13.1 | 13.9 | 18.2 | 18.8 | 23.5 | 32.0 | 29.3 | 30.4 | 33.4 | 28.2 | 16.1 | 13.6 |
| Average daytime temperature (°C) | 7.5 | 8.9 | 11.4 | 12.8 | 17.8 | 24.9 | 22.9 | 22.7 | 24.3 | 18.1 | 10.9 | 9.3 |
| Average temperature (°C) | 5.2 | 5.0 | 7.8 | 8.7 | 13.0 | 19.2 | 18.2 | 18.2 | 18.9 | 13.7 | 8.3 | 7.0 |
| Average night temperature (°C) | 2.8 | 1.7 | 4.6 | 4.6 | 8.0 | 13.1 | 13.5 | 13.9 | 14.2 | 10.0 | 5.8 | 4.7 |
| Absolute minimum temperature (°C) | -2.9 | -4.2 | -3.5 | -1.7 | 4.2 | 8.1 | 9.2 | 10.4 | 8.4 | 3.6 | -0.2 | -4.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.8 | 10.2 | 11.9 | 13.7 | 15.3 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.3 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.4 | 5.7 | 6.0 | 8.1 | 11.1 | 12.3 | 10.9 | 10.0 | 9.7 | 6.7 | 4.5 | 3.0 |
| Precipitation (mm) | 56 | 2 | 80 | 68 | 64 | 47 | 80 | 90 | 44 | 71 | 103 | 64 |
| Sunny days | 9 | 22 | 6 | 8 | 14 | 18 | 6 | 6 | 17 | 13 | 4 | 12 |
| Rainy days | 22 | 6 | 25 | 22 | 17 | 12 | 25 | 25 | 13 | 18 | 26 | 19 |
| 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