Grenoble weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
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Overview
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Grenoble weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
July
< June
Overview
August >
Day
29 °C
Night
17 °C
Precipitation
61 mm
in month
Rainy days
8 days
in month
Daylight
15 hours
average
Sunshine
9 hours
average
Humidity
65 %
Day
29 °C
Night
17 °C
Precipitation
61 mm
in month
Rainy days
8 days
in month
Daylight
15 hours
average
Sunshine
9 hours
average
Humidity
65 %
Overview: Grenoble
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Weather overview for Grenoble
Weather overview
Grenoble (France) in general has a mild climate. The day temperatures range from 7 °C (45 °F) in January to 29 °C (84 °F) in July. The highest night temperatures could be experienced in July with 17 °C (62 °F), the lowest in January with -1 °C (31 °F). The least rainy month in Grenoble is July with its 8 days of rain, the rainiest month is May, when it rains 12 days.
January weather
The minimum of the day temperature is observable in Grenoble, and the minimum of the night temperature can be noticed too. The rainfall amount continues to descent, with its value being 62 mm (2.43 in). The humidity is on its maximum, with its value of 78 %.
February weather
The day temperature rise's start could be observed, with its value of 10 °C (49 °F) in Grenoble, and the beginning of the rise of the night temperature could be noticed too, with its value being 0 °C (32 °F). The rainfall amount is on its minimum, with its value of 55 mm (2.16 in), while the number of rainy days descent's start could be observed in February. The number of sun hours (without clouds) rise's start could be observed in February.
March weather
The rainfall amount starts to rise in this month in Grenoble. The night temperature rises similarly to the previous month, and the day temperature rises similarly to the previous month too, with its value of 15 °C (58 °F). The rise of the number of sun hours (without clouds) can be observed, the value of this measure is 5 hours. The maximum of the wind speed is observable.
April weather
The day temperature continues to rise, with its value of 18 °C (64 °F) in Grenoble, and the rise of the night temperature can be observed too. The rainfall amount continues to rise, the value of this measure is 81 mm (3.20 in), while the number of rainy days starts to rise in April. The rise of the number of sun hours (without clouds) can be observed, with its value of 6 hours.
May weather
The tourist season is about to start this month in Grenoble. The rise of the day temperature can be observed, the value of this measure is 22 °C (71 °F), and the rise of the night temperature can be observed as well, the value of this measure is 10 °C (51 °F). The rise of the rainfall amount can be observed, the value of this measure is 92 mm (3.63 in), while the number of rainy days is on its maximum, with its value being 12 days. The number of sun hours (without clouds) rises similarly to the previous month, its value is 7 hours.
June weather
The day temperature rises similarly to the previous month, with its value being 26 °C (78 °F) in Grenoble. The tourist season is close to its peak. The rainfall amount starts to descent, with its value of 77 mm (3.03 in), and the number of rainy days descent's start could be observed as well, the value of this measure is 11 days. The number of sun hours (without clouds) rises similarly to the previous month, its value is 8 hours. The day length reaches its maximum, with its value being 15 hours.
July weather
The day temperature reaches its maximum, with its value being 29 °C (84 °F) in Grenoble, and the night temperature reaches its maximum as well, the value of this measure is 17 °C (62 °F). There is pending tourist season in July. The rainfall amount continues to descent, with its value of 61 mm (2.40 in), while the minimum of the number of rainy days can be noticed, with its value of 8 days. The maximum of the number of sun hours (without clouds) can be noticed in July.
August weather
The day temperature descent's start could be observed in Grenoble, and the night temperature descent's start could be observed as well. The tourist season is close to its peak. The number of sun hours (without clouds) descent's start could be observed, its value is 8 hours.
September weather
The tourist season is close to its peak in Grenoble. The day temperature continues to descent, the value of this measure is 23 °C (74 °F), and the night temperature descents similarly to the previous month too, with its value being 13 °C (55 °F). The descent of the number of sun hours (without clouds) can be observed, its value is 7 hours. The rainfall amount rise's start could be observed.
October weather
The tourist season is close to its peak in Grenoble. The descent of the day temperature can be observed, its value is 18 °C (64 °F), and the night temperature continues to descent too, its value is 9 °C (48 °F). The number of rainy days starts to rise, with its value of 10 days, while the maximum of the rainfall amount is observable, with its value being 98 mm (3.85 in). The descent of the number of sun hours (without clouds) can be observed, with its value being 5 hours.
November weather
The descent of the day temperature can be observed, the value of this measure is 11 °C (53 °F) in Grenoble, and the descent of the night temperature can be observed too, with its value of 4 °C (39 °F). The rainfall amount descent's start could be observed. The number of sun hours (without clouds) continues to descent.
December weather
The rainfall amount continues to descent, with its value being 71 mm (2.78 in) in Grenoble. The day temperature descents similarly to the previous month, its value is 7 °C (45 °F), and the night temperature descents similarly to the previous month too, its value is 1 °C (33 °F). The number of sun hours (without clouds) reaches its minimum, its value is 3 hours. The day length reaches its minimum, the value of this measure is 9 hours.
FAQs
How many hours of sun to expect in Grenoble in March?
In Grenoble in March, you can expect around 5 hours of sunshine.
Is April part of the dry season in Grenoble?
No, April is not a dry month in Grenoble, expect rain approximately 11 days in a month.
How many days of precipitation on average can I expect in Grenoble in May?
There are 12 days, which are rainy in May in Grenoble, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.9 days of the week, or in general - 41 % days.
Is it hot in June in Grenoble?
In Grenoble in June, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What temperature can I expect during the day in Grenoble in July?
The average daily temperature in Grenoble in July is 29 °C (84 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
Is there a wet season in August in Grenoble?
No, there is no wet season in August in Grenoble - you can expect 9 days of rain during the month.
What is the night temperature in Grenoble in September?
The average night temperature in September in Grenoble is 13 °C (55 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.
Is October a good month to visit Grenoble?
October is a good month to visit Grenoble. A relatively low temperature of 18 °C (64 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The temperature of 9 °C (48 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
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