Climate averages 1991–2020
Grenoble weather
in December.
A cold, wet month: the 11th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Grenoble: daytime highs average 7.7°C and nights cool to about 0.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 133 mm of rain on roughly 13 days, which makes December a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 49 min on an average December day.
The nearest other city in this atlas is Villeurbanne (92 km away). In December its highs average 7.4°C, about as warm as Grenoble, with 83 mm of rain.
Among the 57 cities listed in France, Grenoble ranks joint 27th of 57 for the warmest December highs and 57th of 57 for the driest December (rainfall, lowest first). The mean December high of those 57 cities is 8.5°C; Grenoble is 0.8°C cooler than that mean.
From December to January, average highs fall by 0.5°C to 7.2°C, and monthly rainfall falls from 133 mm to 119 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Villeurbanne in DecemberFrance · 92 kmHigh 7.4°C · Low 1.5°C · 83 mm rain
- Lyon in DecemberFrance · 93 kmHigh 7.7°C · Low 1.7°C · 74 mm rain
- Saint-Étienne in DecemberFrance · 107 kmHigh 7.0°C · Low 1.1°C · 64 mm rain
- Geneva in DecemberSwitzerland · 119 kmHigh 5.9°C · Low -0.1°C · 131 mm rain
- Avignon in DecemberFrance · 154 kmHigh 10.8°C · Low 3.4°C · 55 mm rain
- Turin in DecemberItaly · 155 kmHigh 6.3°C · Low -0.9°C · 58 mm rain
- Lausanne in DecemberSwitzerland · 165 kmHigh 5.8°C · Low 1.6°C · 125 mm rain
- Nîmes in DecemberFrance · 184 kmHigh 10.9°C · Low 4.0°C · 56 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.