Weather in Isère

Calculated from weather data of Grenoble-Alpes Isère (LFLS) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	6.1	7.9	6.4	5.5	4.5	9.1
February	10.3	11.0	10.3	10.5	11.5	12.5
March	13.4	14.4	13.3	14.1	12.5	12.9
April	16.5		14.6	15.9	14.8	19.6
May	20.1		19.3	23.6	18.3	21.3
June	25.7		26.3	28.0	25.1	23.1
July	28.3		28.5	30.3	24.8	28.8
August	27.8		28.8	29.8	24.5	29.0
September	23.6		26.3	22.3	23.3	23.8
October	18.4		21.1	20.8	17.0	15.1
November	10.6		11.1	12.5	8.3	12.5
December	7.3		9.1	5.0	6.2	7.2
Average	16.6	11.1	18.0	18.6	15.9	17.9

52nd 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	-1.5	1	1	-2	-1	0
February	0.8	3	-1	1	2	2
March	2.2	4	3	1	2	2
April	4.1		4	4	2	5
May	8.7		10	10	6	9
June	13.2		13	14	13	12
July	14.6		16	14	14	14
August	14.4		15	15	13	15
September	11.1		13	11	12	12
October	7.9		10	11	6	7
November	3.2		4	5	2	3
December	0.8		1	0	0	1
Average	6.2	2.4	7.4	7.2	5.9	6.7

13th 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	31	42	8	30
25 °C or warmer	0	95	100	53	71
20 °C or warmer	3	144	155	121	140
0 °C or colder	17	57	58	61	46

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	21.0	27	25	9	33	10
February	14.0	8	6	16	14	25
March	15.6	24	19	4	10	11
April	13.1		23	16	13	7
May	14.3		17	4	24	11
June	9.0		6	8	12	10
July	4.9		3	1	15	2
August	6.5		10	6	10	7
September	8.6		2	12	13	11
October	12.7		14	9	7	18
November	17.5		35	20	10	5
December	27.8		29	26	31	30
Average	13.5	20.0	14.6	9.5	15.4	11.4

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	12.6	14	13	12	12	12
February	13.3	12	12	15	13	15
March	12.9	13	13	12	14	12
April	12.5		11	13	14	10
May	11.7		11	12	11	12
June	11.0		10	12	11	11
July	11.5		12	13	10	12
August	11.4		13	12	10	13
September	10.9		11	12	9	10
October	12.0		12	11	13	13
November	11.9		14	12	11	13
December	12.2		12	10	13	13
Average	12.0	12.7	11.9	12.2	11.6	12.1

78th 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	NE	N	N	N	NE
February	N	N	N	S	E
March	S	W	SW	N	N
April		N	NW	NW	SW
May		NW	NW	W	NW
June		N	NW	NW	NW
July		NW	N	NW	NW
August		NW	NW	N	NW
September		S	NW	NE	N
October		S	SE	NW	NW
November		NE	NE	N	NE
December		NE	NE	NE	NE

Prevailing wind direction

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

Isère weather Q&A

What is the warmest month in Isère?

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

What is the coldest month in Isère?

The coldest month is January with an average daytime temperature of 6 °C in the past few years.

Which month is the wettest in Isère?

Chance of precipitation is the highest in December with a probability of around 27.9 %.

Which month is the driest in Isère?

The least rainfall and snow can be expected in July. The probability is about 4.9 %.