Climate averages 1991–2020
La Rochelle weather
in May.
A mild, moderately wet month: the 5th warmest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in La Rochelle: daytime highs average 18.7°C and nights cool to about 11.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 57 mm of rain on roughly 10 days, which makes May a moderately wet month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 56 min on an average May day.
The nearest other city in this atlas is Nantes (121 km away). In May its highs average 18.4°C, about as warm as La Rochelle, with 61 mm of rain.
Among the 57 cities listed in France, La Rochelle ranks joint 23rd of 57 for the warmest May highs and 11th of 57 for the driest May (rainfall, lowest first). The mean May high of those 57 cities is 18.9°C; La Rochelle is 0.3°C cooler than that mean.
From May to June, average highs rise by 3.1°C to 21.8°C, and monthly rainfall falls from 57 mm to 47 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
La Rochelle climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.3°C4.5°C | 4.5°C | 77 | 11.9 | 9.19 h |
| February | 10.0°C4.2°C | 4.2°C | 58 | 9.8 | 10.310 h |
| March | 12.8°C6.3°C | 6.3°C | 54 | 10.0 | 11.912 h |
| April | 15.2°C8.4°C | 8.4°C | 57 | 9.8 | 13.514 h |
| May, selected | 18.7°C11.8°C | 11.8°C | 57 | 10.2 | 14.915 h |
| June | 21.8°C14.9°C | 14.9°C | 47 | 8.4 | 15.716 h |
| July | 23.7°C16.7°C | 16.7°C | 36 | 7.1 | 15.415 h |
| August | 24.1°C16.9°C | 16.9°C | 42 | 7.2 | 14.214 h |
| September | 21.6°C14.4°C | 14.4°C | 55 | 8.0 | 12.613 h |
| October | 17.5°C11.7°C | 11.7°C | 87 | 12.3 | 11.011 h |
| November | 12.8°C7.7°C | 7.7°C | 92 | 12.8 | 9.59 h |
| December | 9.9°C5.1°C | 5.1°C | 87 | 12.8 | 8.79 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
- Nantes in MayFrance · 121 kmHigh 18.4°C · Low 10.3°C · 61 mm rain
- Poitiers in MayFrance · 124 kmHigh 19.0°C · Low 10.0°C · 72 mm rain
- Angers in MayFrance · 152 kmHigh 18.7°C · Low 10.0°C · 62 mm rain
- Bordeaux in MayFrance · 154 kmHigh 21.0°C · Low 11.3°C · 75 mm rain
- Limoges in MayFrance · 189 kmHigh 18.1°C · Low 9.5°C · 97 mm rain
- Tours in MayFrance · 197 kmHigh 19.1°C · Low 10.2°C · 66 mm rain
- Rennes in MayFrance · 220 kmHigh 18.1°C · Low 9.5°C · 63 mm rain
- Le Mans in MayFrance · 229 kmHigh 18.4°C · Low 9.6°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 La Rochelle) is explained once on the La Rochelle year overview and on the Sources, method and limits page.