Climate averages 1991–2020
Grenoble weather
in May.
A mild, wet month: the 5th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Grenoble: daytime highs average 20.0°C and nights cool to about 10.4°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 147 mm of rain on roughly 17 days, which makes May a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 50 min on an average May day.
The nearest other city in this atlas is Villeurbanne (92 km away). In May its highs average 19.9°C, about as warm as Grenoble, with 88 mm of rain.
Among the 57 cities listed in France, Grenoble ranks joint 15th of 57 for the warmest May highs and 56th of 57 for the driest May (rainfall, lowest first). The mean May high of those 57 cities is 18.9°C; Grenoble is 1.1°C warmer than that mean.
From May to June, average highs rise by 3.9°C to 23.9°C, and monthly rainfall falls from 147 mm to 127 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
Grenoble climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.2°C-0.3°C | -0.3°C | 119 | 13.1 | 9.29 h |
| February | 8.5°C0.1°C | 0.1°C | 102 | 11.3 | 10.410 h |
| March | 12.8°C3.1°C | 3.1°C | 109 | 12.9 | 11.912 h |
| April | 16.3°C6.2°C | 6.2°C | 120 | 14.3 | 13.513 h |
| May, selected | 20.0°C10.4°C | 10.4°C | 147 | 16.8 | 14.815 h |
| June | 23.9°C14.4°C | 14.4°C | 127 | 15.3 | 15.616 h |
| July | 26.4°C16.8°C | 16.8°C | 113 | 12.8 | 15.315 h |
| August | 26.3°C16.8°C | 16.8°C | 107 | 12.0 | 14.114 h |
| September | 21.8°C12.8°C | 12.8°C | 111 | 11.6 | 12.613 h |
| October | 17.5°C8.8°C | 8.8°C | 118 | 12.7 | 11.011 h |
| November | 11.4°C3.8°C | 3.8°C | 141 | 13.5 | 9.610 h |
| December | 7.7°C0.7°C | 0.7°C | 133 | 13.4 | 8.89 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
- Villeurbanne in MayFrance · 92 kmHigh 19.9°C · Low 10.4°C · 88 mm rain
- Lyon in MayFrance · 93 kmHigh 20.2°C · Low 10.4°C · 90 mm rain
- Saint-Étienne in MayFrance · 107 kmHigh 18.1°C · Low 8.7°C · 98 mm rain
- Geneva in MaySwitzerland · 119 kmHigh 18.4°C · Low 9.5°C · 144 mm rain
- Avignon in MayFrance · 154 kmHigh 23.1°C · Low 12.2°C · 62 mm rain
- Turin in MayItaly · 155 kmHigh 20.0°C · Low 10.2°C · 115 mm rain
- Lausanne in MaySwitzerland · 165 kmHigh 16.8°C · Low 9.6°C · 120 mm rain
- Nîmes in MayFrance · 184 kmHigh 22.7°C · Low 12.3°C · 52 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 Grenoble) is explained once on the Grenoble year overview and on the Sources, method and limits page.