Climate and monthly weather forecastGrenoble, France
Climate and monthly weather forecast
The climate of Grenoble
Grenoble, located in the southeast of France, is defined by a Marine West Coast climate, allocated the Köppen classification of Cfb, characterized by warm summers. The city is situated in a broad valley surrounded by mountains, causing the variations in weather parameters throughout the year.Observing the climatological data, Grenoble displays a wide range of weather throughout the year. Temperatures fluctuate significantly, with the average high temperature reaching a maximum of 26.9°C (80.4°F) in July, while dipping down to a chilly -1.2°C (29.8°F) in January. The months exhibit a smooth transition of temperatures, gradually increasing from January and reaching its peak in July, before slowly decreasing to culminate in December.
Relative humidity ranges from 70% in July to 84% during November, December, and January. Precipitation in Grenoble shows an interesting contrast, with the highest levels of rainfall from 104mm (4.09") to 106mm (4.17") recorded in May, September, and October. However, months like July and August display lower levels of rainfall, between 59mm (2.32") and 67mm (2.64").
The best time to visit Grenoble
Analysing the climatic interpretations, the best time to visit Grenoble largely depends on visitors’ preferences. For those who prefer milder temperatures with less overcrowding, the time between May and June may be more appealing with the thermometer ranging from 19.9°C (67.8°F) to 23.8°C (74.8°F), coupled with relatively moderate rainfall levels.Summertime, from June to August, offers an excellent window for tourists who enjoy warmth and extended daylight hours. Moreover, July's warmth registers an average sunshine duration of 9.3 hours, offering ample opportunities for sightseeing and exploring.
The Worst Time to Visit Grenoble
The least suitable time for visitors in Grenoble would be the colder months of December to February. During these months, temperatures can plummet to lows of -1.2°C (29.8°F). Despite these months also recording the highest relative humidity (84%), the frigid temperatures may appear uninviting to travellers.Spring Weather in Grenoble
Spring in Grenoble - March through May, sees a steady increase in temperatures. Starting from a high of 12°C (53.6°F) in March and ending at a warm 19.9°C (67.8°F) in May. Humidity remains relatively stable during these months, falling between 73% and 76%. Rainfall shows acceleration, going from 66mm (2.6") in March to 104mm (4.09") in May. Days become lengthier, with daylight hours extending from 11.9 hours to 14.9 over the course of the season.Summer Weather in Grenoble
Grenoble's summer - June through August, is characterized by warm temperatures and extended daylight hours. The high temperature averages fluctuate from 23.8°C (74.8°F) in June to a peak of 26.9°C (80.4°F) in July, slightly receding to 26.4°C (79.5°F) in August. A relative decline in humidity occurs during these months, from 74% to 70%. Rainfall is lower during this time, ranging from 59mm (2.32") to 75mm (2.95"). Daylight extends to a maximum of 15.6 hours in June, offering significant sunshine hours to visitors.Autumn Weather in Grenoble
Autumn in Grenoble, spanning from September to November, is marked by a decrease in temperatures and daylight hours. High temperatures drop substantially, from 21.8°C (71.2°F) in September to 10.2°C (50.4°F) in November. During this period, the weather becomes more humid, starting at 79% in September and increasing to 84% by November. Rainfall is high during these months, fluctuating between 88mm (3.46") and 106mm (4.17"). The decreasing daylight hours also corroborate the arrival of autumn, minimising from 12.5 hours in September to 9.6 hours in November.Winter Weather in Grenoble
Winter ushers in a cold weather phase in Grenoble, extending from December through to February with temperatures dropping to an average low of -1.2°C (29.8°F) in January. Despite this, the High-temperature averages remain within the threshold of 5.9°C (42.6°F) to 7.8°C (46°F), making winters moderately bearable. The relative humidity remains stable at 84% during this season. A slight decrease in rainfall is observed, with numbers ranging from 51mm (2.01") to 67mm (2.64"). The shortest daylight duration of the year is witnessed during this time, compressing sunlight availability to as low as 8.8 hours in December. With snowfall prevalent in January and February, Grenoble paints a picturesque winter landscape, making it a haven for snow sports enthusiasts.Weather in January
The year starts off cold in Grenoble, heightening the need for appropriate winter gear, particularly while venturing outdoors. Unexpected snowfall might greet the locals and visitors given January's typical climatic patterns. The city experiences longer nights due to short daylight hours of approximately 9.2h. Weather in January »Weather in February
February in Grenoble exhibits a string of cloudy days, denying abundant sunlight, while the winter maintains its grip over the city. The last vestiges of snow continue to fall, albeit less frequently, a fitting farewell to the frosty season. Weather in February »Weather in March
March welcomes the inception of spring in Grenoble, with significant shifts in the weather. It appears that the city loosens its wintry grip, hence, flowers begin to bloom, and the atmosphere becomes invigorating. The variances from February become apparent, not only in average highs reaching upwards to 12°C (53.6°F) but also in terms of daylight, extending up by about an hour. Weather in March »Weather in April
The month of April ushers in the true spirit of Spring in Grenoble. People begin to shed their layers of clothing acknowledging the pleasant warmth and welcoming colors of nature. April experiences a further rise in temperature from March, reaching a high of roughly 15.3°C (59.5°F). Weather in April »Weather in May
May in Grenoble brings about warmer weather, making it an enjoyable time to explore the city. Nature is in full bloom, encapsulating the spirit of late spring, while local endeavours in outdoor activities significantly increase. May is noticeably warmer than April, with temperatures soaring to a high of around 19.9°C (67.8°F). Weather in May »Weather in June
June in Grenoble ushers in the Summer season, being one of the warmest months, which includes a substantial increase in sunshine hours of about 15.6h. The city begins to bustle with energy and outdoor events, imbuing an enchanting vibe in the atmosphere. Weather in June »Weather in July
July introduces the peak of summer in Grenoble, with temperatures hitting their annual high and extended daylight hours playing a key part in varying outdoor pursuits. Residents and visitors are treated to warm, sunny days, encouraging picnics in parks and hikes in nearby hills. Weather in July »Weather in August
August in Grenoble maintains the warmth and appeal of summer, preserving the festive atmosphere and ensuring a lively milieu. The city is brimmed with outdoor activities including water sports, thanks to the comfortable temperature range. Weather in August »Weather in September
September marks the start of fall in Grenoble, embodying a blend of summer's warmth and winter's crispness. Nature starts to display a magnificent array of colors, delighting the eyes of locals and tourists alike. September experiences a significant dip in temperature, with highs falling to approximately 21.8°C (71.2°F) from August. Weather in September »Weather in October
October in Grenoble serves as a distinct sign of the impending winter. The city starts to witness quieter streets, especially as temperatures continue to drop and daylight hours decrease. This month shares September's ambiance, but with an increasingly noticeable chilly edge. Weather in October »Weather in November
November in Grenoble rings in the winter chill, with temperatures going as low as 2.7°C (36.9°F), making it one of the coldest months of the year. While the city's parks display the last shades of autumn, earlier sunsets and the occasional flurry hint at the approaching winter. Weather in November »Weather in December
December is the official launch of the winter season in Grenoble. Despite the dwindling daylight hours which stand at about 8.8h, the festive mood illuminates the city. With temperatures dropping to an average low of nearly -0.1°C (31.8°F), residents and visitors can expect snowfall towards the end of the month. Weather in December »Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Grenoble notes the coldest temperatures in January, with a average high of 5.9°C (42.6°F) and a low of -1.2°C (29.8°F).
Throughout the year, there are 106.5 rainfall days, and 934mm (36.77") of precipitation is accumulated.
January through May, October through December are months with snowfall in Grenoble.
January has the most snowfall days of the year. Snow falls for 7.7 days.
In Grenoble, France, during the entire year, snow falls for 28 days.
The month with the least rainfall is February, when the rain falls for 8 days and typically collects 52mm (2.05") of precipitation.
June through September are months without snowfall in Grenoble, France.
The month with the longest days in Grenoble is June, with an average of 15h and 36min of daylight.
The warmest period is July, when temperatures fluctuate between an average high of 26.9°C (80.4°F) and a low of 14.2°C (57.6°F).
The least humid month in Grenoble is July, with an average relative humidity of 70%.
The month with the most sunshine in Grenoble is July, with an average of 9.3h of sunshine.
October is the month with the most rainfall. Rain falls for 10.1 days and accumulates 106mm (4.17") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
The months with the highest humidity are November and December, with an average relative humidity of 84%.
With an average of 8h and 48min of daylight, December has the shortest days of the year in Grenoble, France.
December has the least sunshine of the year, with an average of 2.3h of sunshine.
Average temperature
Grenoble, France
The warmest month (with the highest average high temperature) is July (26.9°C).
The month with the lowest average high temperature is January (5.9°C).
The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average humidity
Grenoble, France
The months with the highest relative humidity are November and December (84%).
The month with the lowest relative humidity is July (70%).
Average rainfall
Grenoble, France
- Average rainfall in January:
61.3mm - Average rainfall in February:
51.6mm - Average rainfall in March:
66.3mm - Average rainfall in April:
83mm - Average rainfall in May:
104.1mm - Average rainfall in June:
75.2mm
- Average rainfall in July:
59.3mm - Average rainfall in August:
67.2mm - Average rainfall in September:
105.7mm - Average rainfall in October:
105.8mm - Average rainfall in November:
87.7mm - Average rainfall in December:
67.1mm
The wettest month (with the highest rainfall) is October (105.8mm).
The driest month (with the least rainfall) is February (51.6mm).
Average rainfall days
Grenoble, France
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
8 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
9.7 days - Average rainfall days in May:
11 days - Average rainfall days in June:
8.5 days
- Average rainfall days in July:
6.2 days - Average rainfall days in August:
7.4 days - Average rainfall days in September:
7.7 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is May (11 days).
The month with the least rainy days is July (6.2 days).
Average snowfall days
Grenoble, France
- Average snowfall days in January:
7.7 days - Average snowfall days in February:
6 days - Average snowfall days in March:
4.5 days - Average snowfall days in April:
2.1 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
4.9 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grenoble, France
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 30min - Average sunshine in April:
6h and 6min - Average sunshine in May:
7h and 6min - Average sunshine in June:
8h and 30min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
8h and 12min - Average sunshine in September:
6h and 24min - Average sunshine in October:
4h and 24min - Average sunshine in November:
2h and 48min - Average sunshine in December:
2h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
