AI-generatedNantes at a glance
- Best time
- May – Sep
- Warmest month
- Aug · 24°
- Sunshine a year
- 1,860 h
- Rain a year
- 714 mm
- Climate
- Temperate
- Time zone
- UTC+1 / UTC+2
- Elevation
- 19 m
Climate in Nantes
Nantes has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 24 °C, while January is the coolest at 9 °C. With around 1,860 hours of sunshine a year, Nantes is moderately sunny; August is the sunniest month with 7.5 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: May – September
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 11°
- Midday, 13:00: about 16°
- Afternoon, 16:00: about 17°
- Evening, 20:00: about 15°
- Night, 23:00: about 13°
08:2319:21
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 08:04–09:04 · evening 18:39–19:40
- Blue hour
- Morning 07:52–08:04 · evening 19:40–19:52
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 Nantes in October?
In October, Nantes is mild: daytime highs average 17 °C, and nights cool down to about 11 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 78 mm in total. All in all, October is a good month for a holiday in Nantes.
More details for October
- Daylight
- 10 h 58 min08:23 – 19:21
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 66 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 50 %94 %
- Sunshineweight 20 %15 %
- Few rainy daysweight 30 %44 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Sunshine hours in Nantes
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 3.9 of 11.0 hours of daylight in Nantes, 35 % of the day.
Sunshine hours: measured at the weather station 9 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Nantes
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 8).
Minutes until sunburn in October
- Very fair skin
- about 50 min
- Fair skin
- about 65 min
- Light brown skin
- about 90 min
- Olive skin
- about 115 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 Nantes: 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, Nantes has about 12 rainy days with 78 mm of rain in total.
Wind and clouds in Nantes
How breezy and how cloudy Nantes 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 Nantes typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 66 % of the sky over Nantes: mostly cloudy, with about 3.9 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 Nantes
How often the day gets hot in Nantes (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, Nantes has about 0 hot days, with an average daytime high of 17 °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
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Nantes
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 11°. A duvet at night and a jumper for the evening.
The coolest nights are in February (4°), the warmest in August (15°). Nights are pleasant for sleeping (15 to 20 °C) from July 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 | 18 | 9° | 4° | 2.3 h | 12 | 71 |
| FebruaryFeb | 29 | 10° | 4° | 3.6 h | 10 | 55 |
| MarchMar | 44 | 13° | 5° | 4.7 h | 11 | 58 |
| AprilApr | 64 | 15° | 7° | 6.1 h | 10 | 57 |
| MayMay | 78 | 19° | 10° | 6.5 h | 11 | 60 |
| JuneJun | 84 | 22° | 14° | 7.1 h | 9 | 49 |
| JulyJul | 87 | 24° | 15° | 7.4 h | 8 | 42 |
| AugustAug | 88 | 24° | 15° | 7.5 h | 7 | 44 |
| SeptemberSep | 85 | 22° | 13° | 6.6 h | 7 | 46 |
| OctoberOct | 63 | 17° | 11° | 3.9 h | 12 | 78 |
| NovemberNov | 35 | 12° | 7° | 3.0 h | 12 | 75 |
| DecemberDec | 21 | 10° | 4° | 2.5 h | 12 | 80 |
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
47.22° N, 1.55° W · 19 m · Europe/Paris
Best time to visit Nantes
The best time to visit Nantes is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable from April to October. The wettest month is December with 80 mm of precipitation.
Nantes through the seasons
How the weather changes over the seasons, with averages for each.
Nantes in spring
Mar – May
Good
- 13–19 °C by day
- 6 h of sun a day
- 32 rainy days in all
Nantes in summer
Jun – Aug
Excellent
- 22–24 °C by day
- 7 h of sun a day
- 23 rainy days in all
Nantes in autumn
Sep – Nov
Good
- 12–22 °C by day
- 5 h of sun a day
- 31 rainy days in all
Nantes in winter
Dec – Feb
Poor
- 9–10 °C by day
- 3 h of sun a day
- 33 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Nantes for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Nantes
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Nantes: score 88 against 63. In August, days are 7 °C warmer than in October. August has 5 fewer rainy days. The sun shines 4 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Weather score | 63 | 88better |
| Day high | 17° | 24° |
| Night low | 11° | 15° |
| Sunshine | 3.9 h | 7.5 hbetter |
| Rainy days | 12 | 7better |
| Rainfall | 78 mm | 44 mmbetter |
| Muggy days | 0better | 2 |
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
Apr – Oct
15–28 °C and not too much rain
Nantes month by month
The typical weather for every month at a glance.
18January9° · 2 h
In January, Nantes is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 12 rainy days and 71 mm in total. All in all, January is not an ideal month for a holiday in Nantes.
Nantes in January29February10° · 4 h
In February, Nantes is cold: daytime highs average 10 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 10 rainy days and 55 mm in total. All in all, February is not an ideal month for a holiday in Nantes.
Nantes in February44March13° · 5 h
In March, Nantes is cool: daytime highs average 13 °C, and nights cool down to about 5 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 58 mm in total. All in all, March is a so-so month for a holiday in Nantes.
Nantes in March64April15° · 6 h
In April, Nantes is cool: daytime highs average 15 °C, and nights cool down to about 7 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 57 mm in total. All in all, April is a good month for a holiday in Nantes.
Nantes in April78May19° · 7 h
In May, Nantes is mild: daytime highs average 19 °C, and nights cool down to about 10 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 60 mm in total. All in all, May is a good month for a holiday in Nantes.
Nantes in May84June22° · 7 h
In June, Nantes is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 49 mm. All in all, June is an excellent month for a holiday in Nantes.
Nantes in June87July24° · 7 h
In July, Nantes is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sun shines for around 7 hours a day. Rain falls on about 8 days, adding up to 42 mm. All in all, July is an excellent month for a holiday in Nantes.
Nantes in July88August24° · 8 h
In August, Nantes is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sun shines for around 8 hours a day. Rain falls on about 7 days, adding up to 44 mm. All in all, August is an excellent month for a holiday in Nantes.
Nantes in August85September22° · 7 h
In September, Nantes is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. The sun shines for around 7 hours a day. Rain falls on about 7 days, adding up to 46 mm. All in all, September is an excellent month for a holiday in Nantes.
Nantes in September63October17° · 4 h
In October, Nantes is mild: daytime highs average 17 °C, and nights cool down to about 11 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 78 mm in total. All in all, October is a good month for a holiday in Nantes.
Nantes in October35November12° · 3 h
In November, Nantes is cool: daytime highs average 12 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 12 rainy days and 75 mm in total. All in all, November is not an ideal month for a holiday in Nantes.
Nantes in November21December10° · 3 h
In December, Nantes is cold: daytime highs average 10 °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 12 rainy days and 80 mm in total. All in all, December is not an ideal month for a holiday in Nantes.
Nantes in DecemberNantes compared
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Nantes vs. Saint-Nazaire
In October the holiday weather in Nantes and Saint-Nazaire is about equally good (score 63 vs. 61). During the day it is about as warm in Saint-Nazaire as in Nantes.
| in October | Nantes | Saint-Nazaire |
|---|---|---|
| Holiday score | 63 | 61 |
| Daytime high | 17° | 17° |
| Sea | – | 16° |
| Sunshine | 4 h | 4 h |
| Rainy days | 12 | 12 |
| Best time | May – Sep | Jul – Aug |
Through the year
France in October: the best places
In October, Nantes ranks 6 among the 31 nearest destinations in this country.
- Bordeaux20°18°72
- 2Poitiers18°66
- 3Oradour-sur-Glane17°66
- 4Angers17°65
- 5Tours18°65
- 6NantesThis page17°63
- 7Orléans17°62
- 8Le Mans17°60
Planning a trip to Nantes
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Nantes 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.
Nantes has its best school-holiday weather during the summer holidays (score 88) and its weakest during the Christmas holidays (score 20).
- 58
Easter holidays
Mar – Apr
Fair
- 14 °C by day
- 5.7 h of sun a day
- 10 rainy days a month
- 79
May half-term
May – Jun
Good
- 19 °C by day
- 6.6 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 88
Summer holidays
Jul – Aug
ExcellentBest holidays
- 24 °C by day
- 7.5 h of sun a day
- 7 rainy days a month
Good for: Sightseeing & walks
- 63
October half-term
Oct
Good
- 17 °C by day
- 3.9 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 20
Christmas holidays
Dec – Jan
Poor
- 9 °C by day
- 2.4 h of sun a day
- 12 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- Short trip – train or car is often quicker
- Distance
- 480 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 Nantes
When is the best time to visit Nantes?
The best time to visit Nantes is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Nantes?
August is the warmest month, with average highs of 24 °C and nights around 15 °C. January is the coolest month at 9 °C.
When does it rain most in Nantes?
The wettest month is December with 80 mm of precipitation. The driest month is July with 42 mm.
How many hours of sunshine does Nantes get?
Nantes gets around 1,860 hours of sunshine a year. The sunniest month is August with 7.5 hours a day; in January there are 2.3 hours a day.
What time zone is Nantes in?
Nantes uses the time zone Europe/Paris: UTC+1 in January and UTC+2 in July.
Which school holidays are best for Nantes?
Nantes has its best school-holiday weather during the summer holidays (score 88) and its weakest during the Christmas holidays (score 20). Holiday ratings (0–100): Easter holidays 58, May half-term 79, Summer holidays 88, October half-term 63, Christmas holidays 20.
Near Nantes
Other destinations close by.
Places with a climate like Nantes
Destinations whose weather through the year is closest to Nantes's – good alternatives.