Climate averages 1991–2020
Rouen weather
in May.
A mild, moderately wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Rouen: daytime highs average 17.6°C and nights cool to about 9.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 66 mm of rain on roughly 12 days, which makes May a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 19 min on an average May day.
The nearest other city in this atlas is Le Havre (72 km away). In May its highs average 16.1°C, 1.4°C cooler than Rouen, with 59 mm of rain.
Among the 57 cities listed in France, Rouen ranks joint 49th of 57 for the warmest May highs and joint 31st of 57 for the driest May (rainfall, lowest first). The mean May high of those 57 cities is 18.9°C; Rouen is 1.4°C cooler than that mean.
From May to June, average highs rise by 3.0°C to 20.6°C, and monthly rainfall falls from 66 mm to 65 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
Rouen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.3°C2.5°C | 2.5°C | 63 | 11.8 | 8.79 h |
| February | 8.3°C2.3°C | 2.3°C | 56 | 11.1 | 10.110 h |
| March | 11.3°C4.0°C | 4.0°C | 60 | 11.5 | 11.912 h |
| April | 14.4°C6.0°C | 6.0°C | 62 | 11.3 | 13.714 h |
| May, selected | 17.6°C9.3°C | 9.3°C | 66 | 12.0 | 15.315 h |
| June | 20.6°C12.3°C | 12.3°C | 65 | 11.0 | 16.216 h |
| July | 22.7°C14.4°C | 14.4°C | 59 | 10.9 | 15.816 h |
| August | 22.7°C14.5°C | 14.5°C | 65 | 10.6 | 14.414 h |
| September | 19.7°C12.0°C | 12.0°C | 52 | 9.4 | 12.713 h |
| October | 15.6°C9.4°C | 9.4°C | 72 | 12.3 | 10.811 h |
| November | 10.7°C5.8°C | 5.8°C | 69 | 12.7 | 9.29 h |
| December | 7.7°C3.1°C | 3.1°C | 81 | 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 · 72 kmHigh 16.1°C · Low 10.1°C · 59 mm rain
- Cergy-Pontoise in MayFrance · 84 kmHigh 18.2°C · Low 9.5°C · 64 mm rain
- Argenteuil in MayFrance · 100 kmHigh 18.5°C · Low 9.7°C · 64 mm rain
- Amiens in MayFrance · 100 kmHigh 17.5°C · Low 9.0°C · 67 mm rain
- Saint-Quentin-en-Yvelines in MayFrance · 100 kmHigh 17.7°C · Low 8.9°C · 67 mm rain
- Versailles in MayFrance · 104 kmHigh 17.9°C · Low 9.2°C · 66 mm rain
- Boulogne-Billancourt in MayFrance · 107 kmHigh 18.6°C · Low 9.9°C · 66 mm rain
- Caen in MayFrance · 110 kmHigh 17.3°C · Low 9.4°C · 58 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 Rouen) is explained once on the Rouen year overview and on the Sources, method and limits page.