Hyperlocal rainfall totals + real-time NOAA forecasts
Accurate weather without the clutter
Nantes, Pays de la Loire Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Nantes, Pays de la Loire?
Nantes, Pays de la Loire gets 819 mm of precipitation a year over about 188 rainy days. August is the warmest month (average high 26°C) and February the coldest (average low 3°C).
Oceanic climate
Nantes, Pays de la Loire has warm summers and chilly winters. Daytime highs range from about 9°C in January to 25°C in August. December is usually the wettest month. The most comfortable time to visit is typically May to October, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 3° | 10° |
| Spring | Mar–May | 7° | 17° |
| Summer | Jun–Aug | 14° | 24° |
| Autumn | Sep–Nov | 9° | 18° |
How much rain does Nantes get?
Nantes gets 819 mm of precipitation in an average year, spread over about 188 days with measurable rain. That is more rainy days than 79% of France.
December is the wettest month, with 101 mm. July is the driest, with 44 mm. November has the most rainy days, about 20.
The longest dry spell in the last five years lasted 23 days, to June 7, 2023.
From October 2025 to September 2026 Nantes got 651 mm of rain, against a normal of 819 mm for those months. February 2026 had the most, with 166 mm.
Nantes weather by month
Nantes weather in January
In January, Nantes averages a high of 9°C and a low of 3°C. It gets 88 mm of precipitation over about 18 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The January record high is 18°C (2003) and the record low is -13°C (1985).
Nantes weather in February
In February, Nantes averages a high of 11°C and a low of 3°C. It gets 68 mm of precipitation over about 15 rainy days. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The February record high is 23°C (2019) and the record low is -12°C (1986).
Nantes weather in March
In March, Nantes averages a high of 13°C and a low of 5°C. It gets 58 mm of precipitation over about 14 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The March record high is 24°C (2021) and the record low is -9°C (2005).
Nantes weather in April
In April, Nantes averages a high of 16°C and a low of 7°C. It gets 58 mm of precipitation over about 14 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The April record high is 28°C (2026) and the record low is -3°C (2008).
Nantes weather in May
In May, Nantes averages a high of 19°C and a low of 10°C. It gets 61 mm of precipitation over about 15 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The May record high is 36°C (2026) and the record low is -1°C (1979). May is one of the most comfortable months to visit.
Nantes weather in June
In June, Nantes averages a high of 23°C and a low of 13°C. It gets 49 mm of precipitation over about 13 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The June record high is 42°C (2026) and the record low is 4°C (2006). June is one of the most comfortable months to visit.
Nantes weather in July
In July, Nantes averages a high of 25°C and a low of 14°C. It gets 44 mm of precipitation over about 13 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The July record high is 42°C (2022) and the record low is 7°C (1980). July is one of the most comfortable months to visit.
Nantes weather in August
In August, Nantes averages a high of 26°C and a low of 14°C. It gets 50 mm of precipitation over about 13 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The August record high is 41°C (2026) and the record low is 6°C (1986). August is one of the most comfortable months to visit.
Nantes weather in September
In September, Nantes averages a high of 22°C and a low of 12°C. It gets 59 mm of precipitation over about 14 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The September record high is 36°C (2023) and the record low is 3°C (2007). September is one of the most comfortable months to visit.
Nantes weather in October
In October, Nantes averages a high of 18°C and a low of 9°C. It gets 89 mm of precipitation over about 19 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The October record high is 31°C (2023) and the record low is -3°C (1997). October is one of the most comfortable months to visit.
Nantes weather in November
In November, Nantes averages a high of 13°C and a low of 6°C. It gets 94 mm of precipitation over about 20 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The November record high is 22°C (2015) and the record low is -7°C (1993).
Nantes weather in December
In December, Nantes averages a high of 10°C and a low of 4°C. It gets 101 mm of precipitation over about 19 rainy days. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. The December record high is 18°C (1989) and the record low is -9°C (1996).
Sunshine, humidity and wind in Nantes
August is the sunniest month in Nantes, with estimated sunshine of 47% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 25%. The annual cloud-cover estimate is 37% of daylight hours; it is not a measurement of sunshine duration. Nantes is sunnier than 53% of France.
Humidity peaks in December at 89% and is lowest in July at 67%.
Nantes has about 6 days a year above 32°C. Nantes is cooler than 61% of France.
First and last freeze in Nantes
The first fall freeze in Nantes typically comes around November 18, and the last spring freeze around March 29. That leaves a frost-free growing season of about 234 days.
Nantes weather records
These records cover NANTES-BOUGUENAIS during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Nantes station is 42°C, on June 24, 2026. The coldest is -13°C, on January 16, 1985.
The wettest day in the available station history brought 97 mm of precipitation, on October 2, 2021.
40 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.3°C per decade since 1970.
The best time to visit Nantes
The most comfortable time to visit is typically May to October, when daytime highs sit near 22°C.
Winter (December–February) is chilly, with average highs around 10°C and lows near 3°C.
Spring (March–May) is mild, with average highs around 16°C and lows near 7°C.
Summer (June–August) is warm, with average highs around 24°C and lows near 14°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 18°C and lows near 9°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 3° | 9° | 88 mm | 18 | 88% | 26% | 18° | -13° |
| February | 3° | 11° | 68 mm | 15 | 83% | 29% | 23° | -12° |
| March | 5° | 13° | 58 mm | 14 | 76% | 35% | 24° | -9° |
| April | 7° | 16° | 58 mm | 14 | 70% | 41% | 28° | -3° |
| May | 10° | 19° | 61 mm | 15 | 70% | 41% | 36° | -1° |
| June | 13° | 23° | 49 mm | 13 | 70% | 40% | 42° | 4° |
| July | 14° | 25° | 44 mm | 13 | 67% | 46% | 42° | 7° |
| August | 14° | 26° | 50 mm | 13 | 70% | 47% | 41° | 6° |
| September | 12° | 22° | 59 mm | 14 | 75% | 44% | 36° | 3° |
| October | 9° | 18° | 89 mm | 19 | 84% | 34% | 31° | -3° |
| November | 6° | 13° | 94 mm | 20 | 87% | 35% | 22° | -7° |
| December | 4° | 10° | 101 mm | 19 | 89% | 25% | 18° | -9° |
Station: NANTES-BOUGUENAIS, 9 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Nantes climate questions
How much rain does Nantes get?
Nantes gets 819 mm of precipitation in an average year, over about 188 rainy days.
What is the wettest month in Nantes?
December is the wettest month in Nantes, with 101 mm. July is the driest, with 44 mm.
How many rainy days does Nantes have a year?
Nantes has about 188 days with measurable rain in an average year. November has the most, about 20.
What is the hottest month in Nantes?
August is the warmest month in Nantes, with an average high of 26°C.
What is the coldest month in Nantes?
February is the coldest month in Nantes, with an average low of 3°C.
What is the record high temperature in Nantes?
Within the available 1970–2026 station history, the record high at the Nantes station is 42°C, set on June 24, 2026. The record low is -13°C, on January 16, 1985.
What is the sunniest month in Nantes?
August is the sunniest month in Nantes, with estimated sunshine of 47% of daylight hours from ERA5 cloud cover. December is the cloudiest.
When is the first frost in Nantes?
The first fall freeze in Nantes typically comes around November 18. The last spring freeze is around March 29.
What is the best time to visit Nantes?
The most comfortable time to visit is typically May to October, when daytime highs sit near 22°C.
Climate for places near Nantes, Pays de la Loire
All France citiesAngersRennesLe MansToursCaenBrestLimogesOrléansLe HavreRouenSaint-Quentin-en-YvelinesBoulogne-BillancourtCergy-PontoiseParis 16 PassyParis 15 VaugirardParis 14 ObservatoireParis 13e ArrondissementArgenteuilParis 13 GobelinsParisParis 17 Batignolles-MonceauParis 12 ReuillyParis 18 Buttes-MontmartreParis 11 Popincourt