Grenoble is typically cool in December.

Maximum temperatures go down compared to the previous month from +12°C to +8°C. The minimum temperature also goes down from +4°C to +1°C.

Pack a sweater and a jacket as there will be cooler temperatures.

December is one of the coolest months in Grenoble, here is the comparison with other months:

December weather is still as ok as in November. It’s getting colder in December. From +12°C in the day, the average maximum temperature lowers to +8°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 127 mm to 125 mm. Humidity levels don’t change as the month goes on, averaging around 83%. The average wind speed doesn’t change much during December, staying around 1 m/s. The good news is there are likely to be more sunny days in December, from 3 to 4.

January brings much the same weather, it remains ok.

December is one of the snowiest months in Grenoble.

Here’s how December is compared with other months in the amount of snow, total mm:

The climate in Grenoble in December has not changed much over the last 43 years.

The average temperature was the lowest in 1980 (+15°C) and the highest in 2022 (+20°C). The driest year was 1989 with only 836 mm of rainfall, and the wettest year was 2023 with 2113 mm.

For this page, we’ve looked at the typical weather in Grenoble, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.