Nantes, Pays de la Loire Weather by Month and Climate Averages

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).

Nantes climate at a glance

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.

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.

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. The sun is out about 26% of daylight hours. 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. The sun is out about 29% of daylight hours. 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. The sun is out about 35% of daylight hours. 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. The sun is out about 41% of daylight hours. 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. The sun is out about 41% of daylight hours. 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. The sun is out about 40% of daylight hours. 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. The sun is out about 46% of daylight hours. 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. The sun is out about 47% of daylight hours. The August record high is 39°C (2020) 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. The sun is out about 44% of daylight hours. 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. The sun is out about 34% of daylight hours. 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. The sun is out about 35% of daylight hours. 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. The sun is out about 25% of daylight hours. 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 sunshine about 47% of daylight hours. December is the cloudiest, at 25%. Over the year the sun shines about 37% of daylight hours. 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

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 on record brought 97 mm of rain, 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

MonthPrecipRain daysHumiditySunshineRecord highRecord low
January88 mm1888%26%18°-13°
February68 mm1583%29%23°-12°
March58 mm1476%35%24°-9°
April58 mm1470%41%28°-3°
May61 mm1570%41%36°-1°
June49 mm1370%40%42°
July44 mm1367%46%42°
August50 mm1370%47%39°
September59 mm1475%44%36°
October89 mm1984%34%31°-3°
November94 mm2087%35%22°-7°
December101 mm1989%25%18°-9°

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?

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 sunshine about 47% of daylight hours. 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.

Source: NOAA GHCN-Daily station NANTES-BOUGUENAIS (9 km away).

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Normals from NOAA GHCN-Daily station NANTES-BOUGUENAIS.