Weather in Loire-Atlantique

Calculated from weather data of Nantes Atlantique Airport (LFRS) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	9.2	9.5	9.5	8.3	8.1	10.8
February	11.5	12.6	11.1	12.0	11.0	12.5
March	13.8	13.9	13.8	14.5	14.0	13.5
April	17.0		15.5	17.3	16.3	19.6
May	20.6		20.8	22.6	17.6	21.8
June	24.2		27.1	24.8	23.6	21.5
July	26.1		24.3	29.0	23.5	25.5
August	25.6		24.6	28.8	23.1	26.1
September	23.4		26.6	22.8	24.1	23.6
October	18.7		20.8	20.6	18.3	16.1
November	13.1		13.6	15.1	11.3	14.8
December	10.3		11.5	6.0	10.6	10.4
Average	17.1	12.0	18.3	18.9	16.8	18.0

43rd highest temperature of France

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	3.4	4	5	3	2	5
February	4.3	7	3	5	5	6
March	5.5	6	6	6	4	6
April	6.9		7	7	5	9
May	10.2		11	11	9	11
June	13.9		16	14	14	13
July	15.0		14	16	15	14
August	14.7		15	17	14	15
September	12.5		15	12	13	13
October	10.1		12	13	8	9
November	5.6		7	8	4	6
December	4.5		6	1	5	4
Average	8.5	5.6	9.8	9.6	7.9	9.2

72nd lowest temperature of France

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	0	14	26	7	11
25 °C or warmer	0	67	75	32	53
20 °C or warmer	1	143	153	116	130
0 °C or colder	10	11	18	29	6

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	31.9	30	47	18	38	39
February	30.1	49	12	32	22	48
March	27.0	38	36	25	17	22
April	19.5		23	20	8	26
May	18.5		20	8	40	9
June	21.1		9	25	31	41
July	12.2		23	2	24	6
August	15.0		20	11	14	23
September	17.3		18	27	16	12
October	29.6		34	24	28	45
November	33.5		46	44	17	22
December	36.5		40	25	41	44
Average	24.6	38.9	25.6	20.0	24.4	26.4

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	14.9	16	16	12	15	17
February	16.9	17	13	16	19	23
March	17.3	16	19	16	16	19
April	14.4		15	15	16	14
May	14.5		15	12	19	15
June	12.8		12	13	11	14
July	13.7		16	14	15	13
August	12.7		13	13	14	13
September	13.1		12	14	13	12
October	14.4		15	14	15	17
November	14.5		17	17	12	14
December	16.1		17	15	17	16
Average	14.6	16.0	15.0	14.1	15.0	15.3

52nd highest wind speed of France

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	S	SW	N	W	SW
February	SW	NE	SW	SE	SW
March	SW	SW	E	W	N
April		W	N	NE	SE
May		NE	N	SW	NE
June		N	W	NW	SW
July		W	N	W	NW
August		W	NE	NW	W
September		SW	W	NW	NW
October		SW	S	S	SW
November		W	SW	N	S
December		SW	E	S	SW

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Loire-Atlantique weather Q&A

What is the warmest month in Loire-Atlantique?

The warmest month is July with an average temperature of 26 °C over the past years.

What is the coldest month in Loire-Atlantique?

The coldest month is January with an average daytime temperature of 9 °C in the past few years.

Which month is the wettest in Loire-Atlantique?

Chance of precipitation is the highest in December with a probability of around 36.6 %.

Which month is the driest in Loire-Atlantique?

The least rainfall and snow can be expected in July. The probability is about 12.3 %.