



Calais
Calais is a town in Hauts-de-France, France, close to the sea. It has a population of about 67,571 (2023). The climate is classified as oceanic (Köppen Cfb), with rain spread through the year and no real dry season.
Best: Jun–Jul · Sep. Warmth, sunshine and dry days, month by month.
Calais at a glance
The months with the highest weather score
Average high in August
Average low in January
94 mm of rain
47 mm of rain
August
within 12 km
How Calais has grown
People living in the built-up area (27 km² today), every five years since 1975; 2030 is the projection.
-13%82k in 1975 → 72k in 2025Weather in Calais
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Sunny · wind 35 km/h · humidity 63%
When to go to Calais
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 17 | 20 | 26 | 48 | 59 | 72 | 71 | 68 | 71 | 48 | 25 | 16 |
| High | 8° | 8° | 10° | 13° | 16° | 19° | 21° | 22° | 19° | 16° | 11° | 9° |
| Low | 4° | 4° | 5° | 7° | 9° | 12° | 14° | 15° | 13° | 10° | 7° | 4° |
| Rain (mm) | 67 | 50 | 52 | 47 | 55 | 54 | 55 | 56 | 70 | 96 | 94 | 81 |
| Wet days | 15 | 13 | 11 | 9 | 11 | 10 | 12 | 13 | 11 | 15 | 17 | 16 |
| Sea | 9° | 8° | 8° | 9° | 11° | 14° | 16° | 18° | 17° | 16° | 13° | 11° |
What's on in Calais
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Calais
More museums: Cité Internationale de la Dentelle et de la Mode
Outdoors around Calais
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Calais
Wildlife in October
The birds and mammals of France seen most this month, compared with the rest of their year.
The sky over Calais
Earthquakes around Calais
The last 30 days within 300 km, and the record since 1950.
Tsunamis · Calais
Fossil sites near this town
Fossil sites: 1 · 1 km
Formations around the town
Universities and research institutes
Towns and villages around Calais
Each with its own page: weather, climate and the best time to visit.
Calais from above
Postal codes
Codes for businesses and P.O. boxes · 15
Getting to Calais
Places near Calais
Places with a climate like Calais
Matched month by month on temperature, rain and sunshine.
