Weather radar Grenoble
Real-time precipitation radar · Auvergne-Rhône-Alpes · France
Grenoble climate table – average temperature, precipitation & sunshine hours
The climate table for Grenoble shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 8.9° | 13.1° | 15.2° | 17.4° | 21.5° | 27.7° | 29° | 29.3° | 24.1° | 20.9° | 13.4° | 9.9° |
| Avg low (°C) | 2.2° | 4.7° | 5.9° | 7.6° | 11.9° | 17.2° | 18.1° | 17.9° | 14.6° | 11.7° | 6.1° | 3.2° |
| Precipitation (mm) | 142 | 71 | 105 | 126 | 178 | 130 | 106 | 98 | 138 | 133 | 150 | 165 |
| Rainy days | 15 | 10 | 13 | 15 | 19 | 16 | 12 | 10 | 14 | 13 | 14 | 14 |
| Sunshine hours | 178 | 212 | 278 | 307 | 324 | 368 | 388 | 358 | 281 | 240 | 179 | 151 |
| Humidity | 80% | 76% | 72% | 72% | 76% | 74% | 70% | 69% | 79% | 80% | 82% | 82% |
Best time to visit Grenoble
The best time to visit Grenoble is typically August. In this month the average high is 29.3°C, precipitation is 98 mm and sunshine duration is 358 hours. The annual average high is 19.2°C, total annual precipitation is 1542 mm (165 rainy days/year) and annual sunshine is 3264 hours.
Frequently asked questions about the weather in Grenoble
How up to date is the weather radar for Grenoble?
The weather radar for Grenoble is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Grenoble?
Besides the rain radar, RadarWeather provides for Grenoble: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Grenoble?
The thunderstorm potential for Grenoble is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Grenoble.
What is the climate like in Grenoble?
Grenoble has an annual average high of 19.2°C. The warmest month is August (avg high 29.3°C), the coldest January (avg low 2.2°C). The wettest month is May with 178 mm, the driest February with 71 mm. Total annual precipitation is 1542 mm (165 rainy days). Annual sunshine is 3264 hours.