Climate averages 1991–2020
Calais weather
in October.
A cool, wet month: the 6th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Calais: daytime highs average 14.9°C and nights cool to about 10.3°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 96 mm of rain on roughly 14 days, which makes October a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 45 min on an average October day.
The nearest other city in this atlas is Dunkirk (38 km away). In October its highs average 14.9°C, about as warm as Calais, with 63 mm of rain.
Among the 57 cities listed in France, Calais ranks joint 54th of 57 for the warmest October highs and 44th of 57 for the driest October (rainfall, lowest first). The mean October high of those 57 cities is 16.8°C; Calais is 2.0°C cooler than that mean.
From October to November, average highs fall by 4.2°C to 10.7°C, and monthly rainfall rises from 96 mm to 101 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Calais climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.2°C3.4°C | 3.4°C | 79 | 14.3 | 8.58 h |
| February | 7.6°C3.3°C | 3.3°C | 60 | 11.5 | 10.010 h |
| March | 9.9°C4.7°C | 4.7°C | 51 | 10.5 | 11.812 h |
| April | 12.7°C6.6°C | 6.6°C | 45 | 9.3 | 13.814 h |
| May | 15.6°C9.6°C | 9.6°C | 51 | 9.8 | 15.516 h |
| June | 18.3°C12.4°C | 12.4°C | 49 | 8.7 | 16.416 h |
| July | 20.5°C14.8°C | 14.8°C | 51 | 9.6 | 16.016 h |
| August | 20.8°C15.2°C | 15.2°C | 65 | 10.0 | 14.615 h |
| September | 18.4°C13.2°C | 13.2°C | 68 | 11.2 | 12.713 h |
| October, selected | 14.9°C10.3°C | 10.3°C | 96 | 14.3 | 10.811 h |
| November | 10.7°C6.9°C | 6.9°C | 101 | 16.4 | 9.09 h |
| December | 7.8°C4.3°C | 4.3°C | 94 | 15.0 | 8.08 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Dunkirk in OctoberFrance · 38 kmHigh 14.9°C · Low 9.6°C · 63 mm rain
- Saint Peters in OctoberUnited Kingdom · 55 kmHigh 14.3°C · Low 10.5°C · 86 mm rain
- Hastings, United Kingdom in OctoberUnited Kingdom · 90 kmHigh 14.7°C · Low 10.4°C · 112 mm rain
- Lille in OctoberFrance · 91 kmHigh 15.2°C · Low 8.7°C · 60 mm rain
- Roubaix in OctoberFrance · 97 kmHigh 15.0°C · Low 8.7°C · 62 mm rain
- Brugge in OctoberBelgium · 100 kmHigh 14.6°C · Low 9.9°C · 69 mm rain
- Kortrijk in OctoberBelgium · 100 kmHigh 14.9°C · Low 8.9°C · 62 mm rain
- Maidstone in OctoberUnited Kingdom · 100 kmHigh 14.7°C · Low 9.1°C · 62 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Calais) is explained once on the Calais year overview and on the Sources, method and limits page.