Climate averages 1991–2020
Caen weather
in May.
A mild, moderately wet month: the 5th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Caen: daytime highs average 17.3°C and nights cool to about 9.4°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 58 mm of rain on roughly 11 days, which makes May a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 17 min on an average May day.
The nearest other city in this atlas is Le Havre (48 km away). In May its highs average 16.1°C, 1.2°C cooler than Caen, with 59 mm of rain.
Among the 57 cities listed in France, Caen ranks 53rd of 57 for the warmest May highs and joint 12th of 57 for the driest May (rainfall, lowest first). The mean May high of those 57 cities is 18.9°C; Caen is 1.6°C cooler than that mean.
From May to June, average highs rise by 3.0°C to 20.4°C, and monthly rainfall rises from 58 mm to 62 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Le Havre in MayFrance · 48 kmHigh 16.1°C · Low 10.1°C · 59 mm rain
- Rouen in MayFrance · 110 kmHigh 17.6°C · Low 9.3°C · 66 mm rain
- Saint Helier in MayJersey · 127 kmHigh 13.7°C · Low 11.0°C · 53 mm rain
- Le Mans in MayFrance · 138 kmHigh 18.4°C · Low 9.6°C · 63 mm rain
- Rennes in MayFrance · 154 kmHigh 18.1°C · Low 9.5°C · 63 mm rain
- Cergy-Pontoise in MayFrance · 178 kmHigh 18.2°C · Low 9.5°C · 64 mm rain
- Saint-Quentin-en-Yvelines in MayFrance · 180 kmHigh 17.7°C · Low 8.9°C · 67 mm rain
- Worthing in MayUnited Kingdom · 181 kmHigh 15.0°C · Low 9.2°C · 47 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.