Click on a day for an hourly weather forecast
The temperatures in Calais in March are quite cold with temperatures between 6°C and 9°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Calais during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Calais can expect a few days of snow in March.
Our weather forecast can give you a great sense of what weather to expect in Calais in March 2026.
If you’re planning to visit Calais in the near future, we highly recommend that you review the 14 day weather forecast for Calais before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 4° | 9 | 18 | 4 | 89 mm | Awful | Calais in January |
| February | 7° / 4° | 8 | 17 | 4 | 73 mm | Awful | Calais in February |
| March | 9° / 6° | 7 | 23 | 1 | 59 mm | Bad | Calais in March |
| April | 11° / 7° | 4 | 26 | 1 | 43 mm | Ok | Calais in April |
| May | 14° / 10° | 4 | 27 | 0 | 59 mm | Good | Calais in May |
| June | 17° / 13° | 4 | 26 | 0 | 72 mm | Good | Calais in June |
| July | 19° / 15° | 5 | 26 | 0 | 72 mm | Good | Calais in July |
| August | 19° / 16° | 5 | 26 | 0 | 98 mm | Good | Calais in August |
| September | 18° / 14° | 4 | 26 | 0 | 67 mm | Good | Calais in September |
| October | 15° / 12° | 7 | 24 | 0 | 104 mm | Ok | Calais in October |
| November | 11° / 8° | 7 | 22 | 0 | 114 mm | Bad | Calais in November |
| December | 8° / 6° | 9 | 20 | 2 | 112 mm | Awful | Calais in December |