The city is located in north-western France, 45 km (28 mi) away from the Atlantic coast, and is the capital of the Pays de la Loire (the Loire is the river that runs through the city).
is a bit milder than in the interior of France due to the proximity of the ocean. On the other hand, the sky is often cloudy, the humidity is high and there are periods when the wind blows moderate or strong. Rainfall is frequent.
Cold waves are shorter and less intense than in Paris and in the interior of France. However, there may occasionally be cold periods, in which the temperature drops below freezing, and it can even snow. The coldest record is -15.6 °C (3.9 °F) and was set in February 1956.
, temperatures are mild or pleasantly warm. It can also rain, but less often than in winter.
At times, hot periods can occur, generally of short duration, which in recent years are becoming more frequent due to global warming, during which the temperature may reach or exceed 34/35 °C (93/95 °F). The highest record is 42 °C (107.5 °F), set in July 2022. The previous record was 39.6 °C (103.3 °F) and was set in August 2020.
to visit Nantes runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, it can be hot in July and August, while in other circumstances, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket for the evening.
. Here are the average temperatures.
January, the coldest month of the year, is generally a quite cold month. The average temperature is of
6.4 °C, with a minimum of
3.4 °C and a maximum of
9.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-4.5 °C. However, it dropped to
-11.2 °C in January 1997.
On the warmest days of the month, the temperature usually reaches around
14.5 °C. However, it reached
18.2 °C in January 2003.
Precipitation amounts to
85 mm, distributed over 12 days.
The day lasts on average 9 hours and 0 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 26% of the time.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is of
14.8 kph.
The average sea temperature is of
11.1 °C. Therefore, the sea is very cold for swimming.
February is generally a quite mild month. The average temperature is of
6.8 °C, with a minimum of
3.1 °C and a maximum of
10.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-3.5 °C. However, it dropped to
-9.7 °C in February 1991.
On the warmest days of the month, the temperature usually reaches around
16 °C. However, it reached
22.6 °C in February 2019.
Precipitation amounts to
70 mm, distributed over 10 days.
The day lasts on average 10 hours and 20 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
14.4 kph.
The average sea temperature is of
10.1 °C. Therefore, the sea is very cold for swimming.
March is generally a mild month. The average temperature is of
9.2 °C, with a minimum of
4.9 °C and a maximum of
13.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-9.6 °C in March 2005.
On the warmest days of the month, the temperature usually reaches around
20 °C. However, it reached
23.8 °C in March 2005.
Precipitation amounts to
60 mm, distributed over 10 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of
14.3 kph.
The average sea temperature is of
10.1 °C. Therefore, the sea is very cold for swimming.
April is generally a mild month. The average temperature is of
11.4 °C, with a minimum of
6.6 °C and a maximum of
16.2 °C.
On the coldest nights of the month, the temperature usually drops to around
0 °C. However, it dropped to
-2.8 °C in April 2008.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
28.3 °C in April 2005.
Precipitation amounts to
60 mm, distributed over 10 days.
The day lasts on average 13 hours and 40 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
13.6 kph.
The average sea temperature is of
11.2 °C. Therefore, the sea is very cold for swimming.
May is generally a very mild month. The average temperature is of
14.8 °C, with a minimum of
9.9 °C and a maximum of
19.6 °C.
On the coldest nights of the month, the temperature usually drops to around
3.5 °C. However, it dropped to
0.1 °C in May 2016.
On the warmest days of the month, the temperature usually reaches around
27.5 °C. However, it reached
32.8 °C in May 2017.
Precipitation amounts to
65 mm, distributed over 11 days.
The day lasts on average 15 hours and 5 minutes. So the days are long.
There are on average 6 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
12.8 kph.
The average sea temperature is of
13.3 °C. Therefore, the sea is very cold for swimming.
June is generally a very mild month. The average temperature is of
17.9 °C, with a minimum of
12.8 °C and a maximum of
23 °C.
On the coldest nights of the month, the temperature usually drops to around
7 °C. However, it dropped to
3.8 °C in June 2006.
On the warmest days of the month, the temperature usually reaches around
31.5 °C. However, it reached
38.6 °C in June 2019.
Precipitation amounts to
45 mm, distributed over 7 days.
The day lasts on average 15 hours and 55 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 7 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
12.4 kph.
The average sea temperature is of
16 °C. Therefore, the sea is cold for swimming.
July is generally a warm month. The average temperature is of
19.7 °C, with a minimum of
14.3 °C and a maximum of
25.1 °C.
On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
7.3 °C in July 2004.
On the warmest days of the month, the temperature usually reaches around
33 °C. However, it reached
38.8 °C in July 2019.
Precipitation amounts to
45 mm, distributed over 7 days.
The day lasts on average 15 hours and 30 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
12.1 kph.
The average sea temperature is of
18 °C. Therefore, the sea is cold for swimming.
August, the warmest month of the year, is generally a warm month. The average temperature is of
19.8 °C, with a minimum of
14.3 °C and a maximum of
25.4 °C.
On the coldest nights of the month, the temperature usually drops to around
9 °C. However, it dropped to
7.2 °C in August 2017.
On the warmest days of the month, the temperature usually reaches around
33 °C. However, it reached
39.6 °C in August 2020.
Precipitation amounts to
45 mm, distributed over 7 days.
The day lasts on average 14 hours and 5 minutes. So the days are long.
There are on average 7.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
11.3 kph.
The average sea temperature is of
18.9 °C. Therefore, the sea is very cool for swimming.
September is generally a very mild month. The average temperature is of
17.1 °C, with a minimum of
11.8 °C and a maximum of
22.4 °C.
On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
2.9 °C in September 2007.
On the warmest days of the month, the temperature usually reaches around
29 °C. However, it reached
33.2 °C in September 2013.
Precipitation amounts to
65 mm, distributed over 8 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
11.5 kph.
The average sea temperature is of
18.1 °C. Therefore, the sea is cold for swimming.
October is generally a mild month. The average temperature is of
13.6 °C, with a minimum of
9.5 °C and a maximum of
17.6 °C.
On the coldest nights of the month, the temperature usually drops to around
2.5 °C. However, it dropped to
-3.3 °C in October 1997.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
30.2 °C in October 2011.
Precipitation amounts to
95 mm, distributed over 12 days.
The day lasts on average 10 hours and 50 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
12.3 kph.
The average sea temperature is of
16.4 °C. Therefore, the sea is cold for swimming.
November is generally a mild month. The average temperature is of
9.4 °C, with a minimum of
5.9 °C and a maximum of
12.9 °C.
On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-6.8 °C in November 1993.
On the warmest days of the month, the temperature usually reaches around
18 °C. However, it reached
21.8 °C in November 2015.
Precipitation amounts to
90 mm, distributed over 12 days.
The day lasts on average 9 hours and 20 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 31% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is of
12.7 kph.
The average sea temperature is of
14.3 °C. Therefore, the sea is very cold for swimming.
December is generally a quite mild month. The average temperature is of
6.8 °C, with a minimum of
3.7 °C and a maximum of
9.8 °C.
On the coldest nights of the month, the temperature usually drops to around
-3.5 °C. However, it dropped to
-9 °C in December 1996.
On the warmest days of the month, the temperature usually reaches around
14.5 °C. However, it reached
17.7 °C in December 2000.
Precipitation amounts to
95 mm, distributed over 13 days.
The day lasts on average 8 hours and 35 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 2.5 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is of
14.3 kph.
The average sea temperature is of
12.4 °C. Therefore, the sea is very cold for swimming.