Annual mean 12°C · wettest around May · prevailing wind N
Warmest
26.7 °C
Coldest
3.8 °C
Wettest
22%
Windiest
4.3 m/s
Prevailing
N
3.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Grenoble over the whole year is 12°C. July is the hottest month, with highs of about 26°C; December is the coldest, with lows of about -1°C. Grenoble has no sharply defined rainy season: the chance of rain on a given day runs from 9% in August, the driest month, to 20% in May, the wettest. Winds in Grenoble are highest in January, averaging 2.8 m/s (10 km/h), and lightest in September, at 2.0 m/s (7 km/h). The prevailing wind is from the N. The clearest skies in Grenoble come in July, when the sky is typically 61% covered; January is the cloudiest month, at 77%.
Month by month Grenoble climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
5°C
0°C
2°C
16%
77%
2.8 m/s
0
0
20
February
8°C
1°C
5°C
14%
76%
2.8 m/s
3
0
42
March
11°C
1°C
8°C
15%
71%
2.8 m/s
12
0
60
April
15°C
5°C
12°C
13%
73%
2.8 m/s
40
2
76
May
18°C
9°C
17°C
20%
72%
2.6 m/s
62
10
74
June
24°C
14°C
24°C
15%
68%
2.4 m/s
70
42
43
July
26°C
15°C
26°C
10%
61%
2.5 m/s
61
59
28
August
26°C
14°C
26°C
9%
61%
2.5 m/s
55
54
30
September
21°C
10°C
20°C
11%
67%
2.0 m/s
73
29
59
October
17°C
7°C
15°C
13%
68%
2.3 m/s
54
2
84
November
10°C
3°C
7°C
18%
76%
2.5 m/s
7
0
52
December
6°C
-1°C
2°C
16%
67%
2.3 m/s
1
0
21
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Grenoble weather by season
Year round, Grenoble has days of about 5°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -1°C to 15°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around May and least likely around August. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Grenoble weather in winterDecember to February
High 6°CLow 0°CRain 15%
Winter in Grenoble has typical daily highs of about 6°C and lows of about 0°C, with a 15% chance of rain on a given day.
Grenoble weather in springMarch to May
High 14°CLow 5°CRain 16%
Spring in Grenoble has typical daily highs of about 14°C and lows of about 5°C, with a 16% chance of rain on a given day.
Grenoble weather in summerJune to August
High 25°CLow 14°CRain 11%
Summer in Grenoble has typical daily highs of about 25°C and lows of about 14°C, with a 11% chance of rain on a given day.
Grenoble weather in autumnSeptember to November
High 16°CLow 7°CRain 14%
Autumn in Grenoble has typical daily highs of about 16°C and lows of about 7°C, with a 14% chance of rain on a given day.
When is the rainy season in Grenoble?
Grenoble has no sharply defined rainy season: the chance of rain on a given day runs from 9% in August, the driest month, to 20% in May, the wettest.
What time of year is Grenoble windiest?
Winds in Grenoble are highest in January, averaging 2.8 m/s (10 km/h), and lightest in September, at 2.0 m/s (7 km/h). The prevailing wind is from the N.
What is the average temperature in Grenoble year round?
The average temperature in Grenoble over the whole year is 12°C. July is the hottest month, with highs of about 26°C; December is the coldest, with lows of about -1°C.