AI-generatedGrenoble at a glance
- Best time
- Jun – Sep
- Warmest month
- Jul · 27°
- Sunshine a year
- 2,010 h
- Rain a year
- 1,244 mm
- Climate
- Temperate
- Time zone
- UTC+1 / UTC+2
- Elevation
- 218 m
Climate in Grenoble
Grenoble has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 27 °C, while January is the coolest at 7 °C. With around 2,010 hours of sunshine a year, Grenoble is moderately sunny; July is the sunniest month with 8.9 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: June – September
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 9°
- Midday, 13:00: about 17°
- Afternoon, 16:00: about 18°
- Evening, 20:00: about 14°
- Night, 23:00: about 12°
07:5118:54
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:33–08:31 · evening 18:14–19:12
- Blue hour
- Morning 07:22–07:33 · evening 19:12–19:24
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Grenoble in October?
In October, Grenoble is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 106 mm in total. All in all, October is a good month for a holiday in Grenoble.
More details for October
- Daylight
- 11 h 3 min07:51 – 18:54
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 10 km/haverage daily peakAll months
- Cloud cover
- 64 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 50 %99 %
- Sunshineweight 20 %22 %
- Few rainy daysweight 30 %48 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Sunshine hours in Grenoble
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.3 of 11.0 hours of daylight in Grenoble, 39 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Grenoble
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 45 min
- Fair skin
- about 55 min
- Light brown skin
- about 75 min
- Olive skin
- about 100 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Grenoble: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Grenoble has about 11 rainy days with 106 mm of rain in total.
Wind and clouds in Grenoble
How breezy and how cloudy Grenoble is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Grenoble typically peaks at 10 km/h during the day: Beaufort 2, light air.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 64 % of the sky over Grenoble: variable cloud, with about 4.3 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Grenoble
How often the day gets hot in Grenoble (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Grenoble has about 0 hot days, with an average daytime high of 18 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Grenoble
Snow is possible in Grenoble, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Grenoble.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Grenoble
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 9°. A duvet at night and a jumper for the evening.
The coolest nights are in January (0°), the warmest in July (17°). Nights are pleasant for sleeping (15 to 20 °C) from June to August. Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 11 | 7° | 0° | 2.7 h | 13 | 105 |
| FebruaryFeb | 23 | 9° | 0° | 3.8 h | 11 | 85 |
| MarchMar | 46 | 13° | 3° | 5.3 h | 12 | 93 |
| AprilApr | 66 | 17° | 6° | 6.1 h | 12 | 98 |
| MayMay | 69 | 20° | 11° | 6.8 h | 15 | 126 |
| JuneJun | 79 | 25° | 15° | 8.1 h | 13 | 100 |
| JulyJul | 86 | 27° | 17° | 8.9 h | 10 | 96 |
| AugustAug | 85 | 27° | 17° | 8.2 h | 10 | 94 |
| SeptemberSep | 78 | 22° | 13° | 6.4 h | 10 | 95 |
| OctoberOct | 68 | 18° | 9° | 4.3 h | 11 | 106 |
| NovemberNov | 27 | 11° | 4° | 2.8 h | 13 | 130 |
| DecemberDec | 10 | 8° | 1° | 2.5 h | 13 | 116 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
45.18° N, 5.71° E · 218 m · Europe/Paris
Best time to visit Grenoble
The best time to visit Grenoble is from June to September. For sightseeing, day trips and hiking, conditions are most comfortable from July to October. Rain is most frequent from March to June and from November to January; the wettest month is November with 130 mm.
Grenoble through the seasons
How the weather changes over the seasons, with averages for each.
Grenoble in spring
Mar – May
Good
- 13–20 °C by day
- 6 h of sun a day
- 40 rainy days in all
Grenoble in summer
Jun – Aug
Excellent
- 25–27 °C by day
- 8 h of sun a day
- 33 rainy days in all
Grenoble in autumn
Sep – Nov
Fair
- 11–22 °C by day
- 5 h of sun a day
- 35 rainy days in all
Grenoble in winter
Dec – Feb
Poor
- 7–9 °C by day
- 3 h of sun a day
- 37 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Grenoble for you.
Your best months: June – July, September
Based on the climate averages; tap a month to see its details.
Compare two months in Grenoble
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Grenoble: score 86 against 68. In July, days are 9 °C warmer than in October. July has one rainy day fewer. The sun shines 5 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Weather score | 68 | 86better |
| Day high | 18° | 27° |
| Night low | 9° | 17° |
| Sunshine | 4.3 h | 8.9 hbetter |
| Rainy days | 11 | 10better |
| Rainfall | 106 mm | 96 mmbetter |
| Muggy days | 0better | 1 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jul – Oct
15–28 °C and not too much rain
Rainy months
Mar – Jun, Nov – Jan
12 or more rainy days
Snow
Nov – Mar
Snow on 2 or more days
Grenoble month by month
The typical weather for every month at a glance.
11January7° · 3 h
In January, Grenoble is cold: daytime highs average 7 °C, and nights often drop below freezing (0 °C). The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 rainy days and 105 mm in total. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Grenoble.
Grenoble in January23February9° · 4 h
In February, Grenoble is cold: daytime highs average 9 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 85 mm in total. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Grenoble.
Grenoble in February46March13° · 5 h
In March, Grenoble is cool: daytime highs average 13 °C, and nights cool down to about 3 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 93 mm in total. Snow falls on about 2 days. All in all, March is a so-so month for a holiday in Grenoble.
Grenoble in March66April17° · 6 h
In April, Grenoble is mild: daytime highs average 17 °C, and nights cool down to about 6 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 98 mm in total. All in all, April is a good month for a holiday in Grenoble.
Grenoble in April69May20° · 7 h
In May, Grenoble is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 126 mm. All in all, May is a good month for a holiday in Grenoble.
Grenoble in May79June25° · 8 h
In June, Grenoble is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 100 mm in total. All in all, June is a good month for a holiday in Grenoble.
Grenoble in June86July27° · 9 h
In July, Grenoble is warm: daytime highs average 27 °C, and nights cool down to about 17 °C. The sun shines for around 9 hours a day. Rain is frequent, with about 10 rainy days and 96 mm in total. On about 7 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Grenoble.
Grenoble in July85August27° · 8 h
In August, Grenoble is warm: daytime highs average 27 °C, and nights cool down to about 17 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 10 rainy days and 94 mm in total. On about 8 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Grenoble.
Grenoble in August78September22° · 6 h
In September, Grenoble is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 95 mm in total. All in all, September is a good month for a holiday in Grenoble.
Grenoble in September68October18° · 4 h
In October, Grenoble is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 106 mm in total. All in all, October is a good month for a holiday in Grenoble.
Grenoble in October27November11° · 3 h
In November, Grenoble is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 rainy days and 130 mm in total. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Grenoble.
Grenoble in November10December8° · 3 h
In December, Grenoble is cold: daytime highs average 8 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 rainy days and 116 mm in total. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Grenoble.
Grenoble in DecemberGrenoble compared
Put Grenoble side by side with another destination.
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Grenoble vs. Chambéry
In October Grenoble has the better holiday weather (score 68 vs. 63). During the day Chambéry is 1 °C cooler than Grenoble.
| in October | Grenoble | Chambéry |
|---|---|---|
| Holiday score | 68 | 63 |
| Daytime high | 18° | 17° |
| Sunshine | 4 h | 4 h |
| Rainy days | 11 | 11 |
| Best time | Jun – Sep | May – Sep |
Through the year
France in October: the best places
In October, Grenoble ranks 11 among the 31 nearest destinations in this country.
- Marseille20°20°83
- 2Avignon20°82
- 3Aix-en-Provence20°82
- 4Toulon20°20°82
- 5Orange20°81
- 6Arles21°81
- 7Grasse19°80
- 8Nîmes20°78
- 11GrenobleThis page18°68
Planning a trip to Grenoble
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Grenoble in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Grenoble has its best school-holiday weather during the summer holidays (score 85) and its weakest during the Christmas holidays (score 11).
- 60
Easter holidays
Mar – Apr
Good
- 16 °C by day
- 5.9 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain, Snow
- 71
May half-term
May – Jun
Good
- 21 °C by day
- 7.1 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
- 85
Summer holidays
Jul – Aug
ExcellentBest holidays
- 27 °C by day
- 8.4 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 68
October half-term
Oct
Good
- 18 °C by day
- 4.3 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 11
Christmas holidays
Dec – Jan
Poor
- 7 °C by day
- 2.6 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 30 min
- Distance
- 830 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Grenoble
When is the best time to visit Grenoble?
The best time to visit Grenoble is from June to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Grenoble?
July is the warmest month, with average highs of 27 °C and nights around 17 °C. January is the coolest month at 7 °C.
When does it rain most in Grenoble?
Rain is most frequent from March to June and from November to January; the wettest month is November with 130 mm. The driest month is February with 85 mm.
How many hours of sunshine does Grenoble get?
Grenoble gets around 2,010 hours of sunshine a year. The sunniest month is July with 8.9 hours a day; in December there are 2.5 hours a day.
What time zone is Grenoble in?
Grenoble uses the time zone Europe/Paris: UTC+1 in January and UTC+2 in July.
How long is the flight from London to Grenoble?
A nonstop flight from London to Grenoble takes about 1 h 30 min, for a straight-line distance of about 830 km.
Which school holidays are best for Grenoble?
Grenoble has its best school-holiday weather during the summer holidays (score 85) and its weakest during the Christmas holidays (score 11). Holiday ratings (0–100): Easter holidays 60, May half-term 71, Summer holidays 85, October half-term 68, Christmas holidays 11.
Near Grenoble
Other destinations close by.
Places with a climate like Grenoble
Destinations whose weather through the year is closest to Grenoble's – good alternatives.