Weather in Allier

Calculated from weather data of Saint-Yan Airport (LFLN) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	6.9	8.4	7.7	5.5	5.5	9.5
February	10.8	11.4	10.1	11.0	11.3	13.6
March	14.0	14.6	13.8	14.9	13.1	13.8
April	17.0	16.3	15.5	16.3	15.3	21.0
May	20.7		20.6	24.1	17.5	21.8
June	25.9		27.6	27.0	24.8	23.5
July	28.1		27.8	29.3	24.3	28.6
August	28.0		27.8	29.8	24.3	28.8
September	24.1		27.6	22.5	23.6	24.6
October	18.9		21.1	22.1	17.1	15.5
November	11.5		12.0	12.9	8.5	13.9
December	8.4		9.3	5.2	7.9	9.0
Average	17.3	12.7	18.4	18.8	16.2	18.7

46th 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	0.1	0	3	-1	0	1
February	0.9	4	-1	1	2	3
March	2.4	5	3	2	1	2
April	4.0	5	4	4	2	5
May	8.1		9	9	7	8
June	12.9		13	14	14	12
July	13.8		15	13	14	13
August	13.7		16	14	13	14
September	10.3		13	10	12	10
October	7.6		8	11	5	8
November	3.3		5	5	2	3
December	1.8		3	-1	2	2
Average	6.2	3.5	7.4	6.8	6.0	6.6

8th 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	32	38	9	29
25 °C or warmer	3	101	95	42	79
20 °C or warmer	11	154	162	126	145
0 °C or colder	23	53	61	57	50

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	20.4	22	17	11	39	20
February	16.5	23	7	18	20	26
March	18.1	24	18	9	18	15
April	14.3	19	25	18	9	5
May	14.1		13	6	33	11
June	9.7		5	13	11	16
July	6.8		8	2	16	2
August	8.3		13	7	10	10
September	12.0		9	19	20	13
October	18.2		26	7	9	35
November	24.2		42	24	23	5
December	28.1		30	11	29	42
Average	15.4	21.7	16.3	11.3	18.5	14.8

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	10.7	11	14	9	12	9
February	11.4	12	10	12	13	13
March	12.3	13	13	11	12	11
April	11.3	14	12	12	13	8
May	10.9		12	10	12	10
June	9.2		8	10	10	9
July	9.6		10	11	10	10
August	9.4		11	10	10	10
September	9.0		8	10	8	11
October	9.3		10	9	10	12
November	9.6		12	9	10	8
December	11.0		11	9	11	12
Average	10.5	12.4	10.9	10.2	10.7	10.2

100th 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	SW	W	NW	W	S
February	SW	N	W	SE	SW
March	SW	W	SE	NW	N
April	W	NW	NW	NE	E
May		N	N	SW	N
June		N	NW	NW	NW
July		W	N	NW	NW
August		NW	NW	NW	W
September		SE	W	SE	W
October		S	S	SW	S
November		SW	SW	NW	SE
December		SW	NE	SW	SW

Prevailing wind direction

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

Allier weather Q&A

What is the warmest month in Allier?

The warmest month is July with an average temperature of 28 °C over the past years.

What is the coldest month in Allier?

The coldest month is January with an average daytime temperature of 7 °C in the past few years.

Which month is the wettest in Allier?

Chance of precipitation is the highest in December with a probability of around 28.2 %.

Which month is the driest in Allier?

The least rainfall and snow can be expected in July. The probability is about 6.9 %.