Grenoble weather by month & the best time to visit
France · alpine / mountain city · oceanic / maritime climate
The best time to visit Grenoble is September — its sunniest month (Sunshine Score 79/100), with July and August close behind. Grenoble averages about 2,189 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 71 mm of rain in September.
When is the best time to visit Grenoble?
For sunshine, the best time to visit Grenoble is September, then July and August. The dullest month is January (0/100, 79 mm of rain). The full month-by-month picture is in the table below.
How sunny is Grenoble?
Grenoble gets a moderate 2,189 hours of sunshine a year. 79 Sunshine Score points separate September (79) from January (0), so the month you pick matters. It ranks #23 of 53 destinations in France for annual sunshine, above the national median of 2,146 hours. The year's 949 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 6° / 43°F | -1° / 30°F | 79 mm | 1 |
| February | 0 | 7° / 45°F | -1° / 30°F | 62 mm | 1 |
| March | 26 | 12° / 54°F | 2° / 36°F | 74 mm | 3 |
| April | 53 | 16° / 61°F | 6° / 43°F | 69 mm | 4 |
| May | 74 | 20° / 68°F | 10° / 50°F | 97 mm | 5 |
| June | 77 | 24° / 75°F | 14° / 57°F | 77 mm | 7 |
| July | 78 | 26° / 79°F | 16° / 61°F | 72 mm | 7 |
| August | 78 | 26° / 79°F | 15° / 59°F | 76 mm | 6 |
| September | 79 | 22° / 72°F | 11° / 52°F | 71 mm | 4 |
| October | 56 | 17° / 63°F | 8° / 46°F | 89 mm | 2 |
| November | 18 | 11° / 52°F | 3° / 37°F | 97 mm | 1 |
| December | 0 | 6° / 43°F | 0° / 32°F | 86 mm | 1 |
Nearest destinations
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Head-to-head
How Grenoble compares month by month: Grenoble vs Turin · Grenoble vs Lyon · Grenoble vs Geneva · all comparisons
Grenoble: questions and answers
What kind of destination is Grenoble?
Grenoble is a alpine / mountain city in France at 385 m elevation with a oceanic / maritime climate.
How many hours of sunshine does Grenoble get a year?
Grenoble gets about 2,189 hours of sunshine a year, at its best around September.
When is the best time to visit Grenoble?
The sunniest time to visit Grenoble is September, when the Sunshine Score peaks at 79/100 (with July and August close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Grenoble?
January is the least sunny month in Grenoble, scoring 0/100 with about 79 mm of rain.
How strong is the sun in Grenoble?
The typical midday UV index in Grenoble peaks around 7 (high) in June, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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