Climate averages 1991–2020

Grenoble weather
in July.

A warm, wet month: the warmest and the 5th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 26.4°C Daytime mean, July
Average low 16.8°C Night-time mean, July
Rainfall 113 mm 13 days with ≥1 mm
Daylight 15 h Sunrise to sunset, per day
Every month in Grenoble · average highYear overview

July is a warm month in Grenoble: daytime highs average 26.4°C and nights cool to about 16.8°C. By daytime temperature it is the warmest month of the year.

Expect about 113 mm of rain on roughly 13 days, which makes July a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 16 min on an average July day.

The nearest other city in this atlas is Villeurbanne (92 km away). In July its highs average 26.4°C, about as warm as Grenoble, with 75 mm of rain.

Among the 57 cities listed in France, Grenoble ranks joint 16th of 57 for the warmest July highs and 57th of 57 for the driest July (rainfall, lowest first). The mean July high of those 57 cities is 24.9°C; Grenoble is 1.5°C warmer than that mean.

From July to August, average highs stay level at 26.3°C, and monthly rainfall falls from 113 mm to 107 mm.

The annual picture

July in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages 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

1991–2020
Monthly climate averages for Grenoble, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 7.2°C-0.3°C-0.3°C11913.19.29 h
February 8.5°C0.1°C0.1°C10211.310.410 h
March 12.8°C3.1°C3.1°C10912.911.912 h
April 16.3°C6.2°C6.2°C12014.313.513 h
May 20.0°C10.4°C10.4°C14716.814.815 h
June 23.9°C14.4°C14.4°C12715.315.616 h
July, selected 26.4°C16.8°C16.8°C11312.815.315 h
August 26.3°C16.8°C16.8°C10712.014.114 h
September 21.8°C12.8°C12.8°C11111.612.613 h
October 17.5°C8.8°C8.8°C11812.711.011 h
November 11.4°C3.8°C3.8°C14113.59.610 h
December 7.7°C0.7°C0.7°C13313.48.89 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

July in nearby cities

Distance from Grenoble

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 limits

How 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.