Climate in Calais: average temperature by month
In Calais the warmest month is July, with 22.6 °C on average in the afternoon; the coolest is January, with 6.7 °C.
The average of the weather stations Abbeville (91 km), West Souburg (134 km) and Uccle (176 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 6.7 °C | 6.4 °C – 7.0 °C |
| February | 7.8 °C | 7.1 °C – 8.7 °C |
| March | 10.8 °C | 8.9 °C – 12.4 °C |
| April | 14.1 °C | 12.5 °C – 15.4 °C |
| May | 17.6 °C | 15.6 °C – 19.3 °C |
| June | 20.7 °C | 19.4 °C – 21.9 °C |
| July | 22.6 °C | 21.9 °C – 23.3 °C |
| August | 22.6 °C | 21.6 °C – 23.2 °C |
| September | 19.8 °C | 17.4 °C – 21.5 °C |
| October | 15.5 °C | 13.1 °C – 17.3 °C |
| November | 10.4 °C | 8.2 °C – 12.9 °C |
| December | 7.6 °C | 7.1 °C – 8.1 °C |