Climate averages 1991–2020
Caen weather
in August.
A warm, moderately wet month: the warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Caen: daytime highs average 22.6°C and nights cool to about 14.5°C. By daytime temperature it is the warmest month of the year.
Expect about 60 mm of rain on roughly 10 days, which makes August a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 24 min on an average August day.
The nearest other city in this atlas is Le Havre (48 km away). In August its highs average 21.2°C, 1.4°C cooler than Caen, with 73 mm of rain.
Among the 57 cities listed in France, Caen ranks 51st of 57 for the warmest August highs and 35th of 57 for the driest August (rainfall, lowest first). The mean August high of those 57 cities is 25.0°C; Caen is 2.4°C cooler than that mean.
From August to September, average highs fall by 2.7°C to 19.8°C, and monthly rainfall falls from 60 mm to 53 mm.
The annual picture
August 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
Caen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.1°C3.3°C | 3.3°C | 59 | 11.5 | 8.79 h |
| February | 8.9°C3.1°C | 3.1°C | 51 | 11.2 | 10.110 h |
| March | 11.6°C4.5°C | 4.5°C | 54 | 11.3 | 11.912 h |
| April | 14.3°C6.2°C | 6.2°C | 56 | 11.7 | 13.714 h |
| May | 17.3°C9.4°C | 9.4°C | 58 | 11.4 | 15.315 h |
| June | 20.4°C12.3°C | 12.3°C | 62 | 10.5 | 16.216 h |
| July | 22.5°C14.3°C | 14.3°C | 55 | 10.8 | 15.816 h |
| August, selected | 22.6°C14.5°C | 14.5°C | 60 | 10.1 | 14.414 h |
| September | 19.8°C12.4°C | 12.4°C | 53 | 9.7 | 12.713 h |
| October | 15.9°C9.9°C | 9.9°C | 65 | 12.3 | 10.811 h |
| November | 11.4°C6.5°C | 6.5°C | 66 | 12.8 | 9.29 h |
| December | 8.5°C4.0°C | 4.0°C | 74 | 13.3 | 8.38 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
August in nearby cities
- Le Havre in AugustFrance · 48 kmHigh 21.2°C · Low 15.3°C · 73 mm rain
- Rouen in AugustFrance · 110 kmHigh 22.7°C · Low 14.5°C · 65 mm rain
- Saint Helier in AugustJersey · 127 kmHigh 18.5°C · Low 16.1°C · 63 mm rain
- Le Mans in AugustFrance · 138 kmHigh 24.1°C · Low 14.9°C · 47 mm rain
- Rennes in AugustFrance · 154 kmHigh 23.2°C · Low 14.3°C · 46 mm rain
- Cergy-Pontoise in AugustFrance · 178 kmHigh 23.8°C · Low 14.8°C · 58 mm rain
- Saint-Quentin-en-Yvelines in AugustFrance · 180 kmHigh 23.4°C · Low 14.2°C · 58 mm rain
- Worthing in AugustUnited Kingdom · 181 kmHigh 19.9°C · Low 14.6°C · 63 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 Caen) is explained once on the Caen year overview and on the Sources, method and limits page.