October Weather in Grenoble, France

Last updated: February 26, 2025

Experience the October weather in Grenoble, France, characterized by a pleasant mix of cool and mild conditions. With maximum temperatures reaching 23°C (73°F) and an average of 10°C (50°F), the climate invites both locals and visitors to explore the beautiful autumn scenery. Nights can be chilly, dipping as low as -2°C (29°F), so dressing in layers is advisable. October also brings approximately 120 mm (4.7 in) of rain over 11 days, resulting in a humidity level of 89%, adding a refreshing crispness to the air. Embrace the enchanting ambiance of this vibrant city as it transitions into fall!

October Temperature in Grenoble

As October rolls into Grenoble, the air begins to crisp, heralding the transition from the vibrant warmth of summer to the cooler embrace of autumn. With temperatures ranging from a chilly -2°C (29°F) at night to a pleasant 23°C (73°F) during the day, this month presents a delightful balance, capturing the essence of fall. The average temperature settles at a cool 10°C (50°F), making it an ideal time for outdoor adventures, where the stunning alpine backdrop is adorned with autumn hues. This gradual dip in temperature marks a shift from the warmer days of September, with October's vibe inviting both locals and visitors to relish in Grenoble's beautiful landscapes as they prepare for the winter months ahead.

October Weather in Grenoble: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Grenoble, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313741465362656457493933
Data source: Temperature data for Grenoble generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Grenoble

In October, Grenoble experiences a notable increase in precipitation, with an average of 120 mm (4.7 in) spread across 11 rainy days. This rainfall contributes to the vibrant autumn scenery, as the city's surroundings are painted in a tapestry of fall colors. October serves as a transition from the drier late summer months, such as September, which witnesses only 81 mm (3.2 in) of rain. Notably, precipitation levels in October are fairly consistent with those in November, suggesting that the city prepares for the onset of winter's wet season. Overall, this month stands out as a pivotal time when the atmospheric shift promotes not only lush landscapes but also sets the stage for the wetter conditions of the approaching winter months.

October Precipitation Trends in Grenoble

The chart displays monthly precipitation patterns in Grenoble, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1181071348217414911010381120119229
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grenoble

As October arrives in Grenoble, the air carries a notable shift in humidity, climbing to 89%, a rise that signals the approach of winter. This month stands out as a transition, with humidity levels increasing from the drier days of summer, where August saw a low of 63%. Following a slight dip to 73% in September, October's humidity begins to mirror earlier months, reminiscent of the high levels seen in January (91%) and February (87%). This trend highlights the region's characteristic moisture-laden atmosphere as it prepares for the colder months ahead, creating a crisp but humid ambiance in the picturesque city.

October Average Humidity in Grenoble

This chart illustrates the average monthly humidity levels in Grenoble, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grenoble

As October peeks into Grenoble, France, the UV Index settles at a moderate 5, signaling a shift from the intense sun exposure of the summer months. With a burn time of 30 minutes, this month offers a welcome break from the extremes faced in July and August, where the Index soared to 10. As the days grow shorter and cooler, October's UV levels are still notably significant, encouraging residents and visitors alike to remain vigilant about sun protection, particularly during midday. This shift marks a gradual transition into the lower UV indices of late fall and winter. For more detailed information, check out the Grenoble UV Index.

Maximum UV Index Levels in Grenoble for October

The chart shows the monthly maximum UV Index (UVI) for Grenoble in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Grenoble October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Grenoble

In October, Grenoble experiences a transition as the crisp autumn air begins to replace the lingering warmth of summer. With 289 hours of sunshine, the month showcases a notable decrease from the summer peak of 427 hours in July, yet it remains brighter than the winter months that follow. This gradual decline in sunlight reflects the city's shifting seasons, as vibrant foliage adorns the landscape, inviting residents and visitors alike to enjoy outdoor activities under the golden rays. As October draws closer to winter, the shorter days highlight the beauty of the surrounding mountains, creating a picturesque backdrop that captures the essence of this enchanting time of year.

Monthly Sunshine Duration in Grenoble: October Highlighted

The October sunshine duration represents the total number of hours Grenoble experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec169h238h309h347h368h403h427h398h335h289h224h205h
Data source: Grenoble October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grenoble During October

In Grenoble, France, October enjoys a 44% chance of sunny weather, marking it as a month where the days begin to balance between warmth and the onset of autumn. This percentage reflects a notable increase compared to the earlier months of the year, particularly when juxtaposed with the dreary winter months of January and November, which only see 18% and 31% sunny days, respectively. Interestingly, October stands slightly higher than September's 38%, indicating a favorable transition into fall. Although the sunny days diminish as winter approaches, October offers a delightful window of opportunity for enjoying the vibrant fall foliage under the sun, making it a lovely time to explore the picturesque landscapes of the region.

Percentage of Sunny Days in October in Grenoble

The chart illustrates the percentage of sunny days in Grenoble throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Grenoble experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%38%49%47%35%36%37%48%38%44%31%40%
Data source: Grenoble October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grenoble in October

As October unfolds in Grenoble, France, daylight begins to wane, offering a gentle transition from the sun-soaked days of summer to the cozy embrace of autumn. With approximately 10 hours of daylight, October marks a significant drop from the peak brightness of 15 hours experienced in June and July. Following the vibrant growth of spring and summer, where daylight flourished and reached its zenith, this month signals a shift towards shorter days, mirroring the gradual decline that continues into November and December. The rhythm of the seasons is palpable, as daylight retreats, inviting the rich hues of fall foliage and the comforting ambiance of fading light.

Average Daylight Hours in Grenoble for October

The chart illustrates the variation in daylight duration in Grenoble throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 10m10h 24m11h 56m13h 31m14h 52m15h 33m15h 11m13h 59m12h 28m10h 54m9h 31m8h 48m
Data source: Grenoble daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Grenoble

As October sweeps into Grenoble, the winds begin to stir with a gentle vigor, recording an average speed of 1.6 m/s (4 mph). This slight uptick from the preceding months, particularly the calm September winds averaging just 1.2 m/s, hints at the approach of winter and the shifting patterns of the seasons. Throughout the year, the wind tends to oscillate between mild breezes, with January through September showcasing a generally calm demeanor. However, October’s breeze can be invigorating, encouraging residents and visitors alike to embrace outdoor adventures amid the vibrant autumn foliage. This increase, while modest, reflects a seasonal transition that dances between the lingering warmth of autumn and the impending chill of winter.

Average October Wind Speed in Grenoble

The chart displays monthly wind speed patterns in Grenoble, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.51.51.61.61.41.41.51.21.6 m/s1.31.4
Data source: Grenoble October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Grenoble Compares to Other Months

The weather in Grenoble changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Grenoble and find detailed weather information for every month.

October and January present stark contrasts in weather conditions. In October, temperatures range from a minimum of -2°C (29°F) to a maximum of 23°C (73°F), with an average of 10°C (50°F). The month experiences significant precipitation, totaling 120 mm (4.7 in), spread over approximately 11 days, with humidity levels around 89%. In contrast, January is much colder, featuring a minimum temperature of -21°C (-6°F), an average of -1°C (31°F), and a maximum of 12°C (55°F). Although January also sees roughly 118 mm (4.6 in) of precipitation over 11 days, humidity increases slightly to 91%. For more detailed insights about January weather, check out Grenoble weather in January.

October and February in Grenoble present notable differences in weather patterns. In October, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 23°C (73°F), with an average of 10°C (50°F). The month sees around 120 mm (4.7 in) of precipitation over 11 days, accompanied by high humidity levels averaging 89%. Conversely, February is colder, with temperatures dipping to a minimum of -12°C (11°F) and peaking at 17°C (63°F), leading to an average of just 3°C (37°F). Despite slightly lower precipitation at 107 mm (4.2 in) over the same number of days, humidity remains relatively high at 87%. For a more detailed look at February weather, check out Grenoble weather in February.

When comparing the weather in October and March, there's a notable difference in temperatures and conditions. October typically presents a milder climate with average temperatures around 10°C (50°F), whereas March features cooler averages at just 5°C (41°F). Precipitation levels are relatively similar; October sees 120 mm (4.7 in) over 11 days, while March has slightly more at 134 mm (5.3 in) across 14 days. Moreover, October boasts higher humidity at 89%, compared to 84% in March. For more detailed information, you can explore Grenoble weather in March.

When comparing the weather in October and April, both months exhibit a range of temperatures, but October tends to have milder averages. October experiences minimum temperatures of around -2°C (29°F) with an average of 10°C (50°F) and can reach a maximum of 23°C (73°F). In contrast, April starts off cooler, with minimum temperatures dropping to -7°C (20°F) and an average of 8°C (47°F), although it also shares the same maximum of 23°C (73°F) as October. Precipitation levels are higher in October at 120 mm (4.7 in), compared to 82 mm (3.2 in) in April, both occurring over about 11 days. Additionally, October maintains a humidity level of 89%, slightly above April's 83%. For more detailed information on April weather patterns, you can check Grenoble weather in April.

In comparing the weather of October and May, we see distinct differences in temperature and precipitation patterns. October generally experiences milder temperatures, with an average of 10°C (50°F) and a maximum of 23°C (73°F), while May tends to be slightly warmer, with an average of 12°C (53°F) and a peak at 27°C (80°F). However, May also brings more precipitation, totaling 174 mm (6.9 in) over about 18 days, compared to October's 120 mm (4.7 in) over 11 days. Additionally, the humidity in October is higher at 89%, compared to May's 78%, contributing to a different feel in the air. For more details on the weather in May, you can check Grenoble weather in May.

October and June present distinct contrasts in weather. In October, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 23°C (73°F), with an average of 10°C (50°F). The month sees 120 mm (4.7 in) of precipitation over about 11 days, coupled with high humidity at 89%. In contrast, June offers warmer temperatures, with a minimum of 4°C (40°F) and a maximum reaching 32°C (89°F), averaging around 17°C (62°F). Rainfall increases slightly to 149 mm (5.9 in) spread over 16 days, but humidity is lower at 75%. For those interested in more details about June weather in Grenoble, you can check Grenoble weather in June.

When comparing the weather in October and July, it's clear that the two months offer contrasting climates. October features cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (50°F), while July enjoys warmer conditions, starting from a minimum of 7°C (45°F) and peaking at a maximum of 33°C (92°F). Precipitation levels are relatively similar, with October receiving 120 mm (4.7 in) over 11 days compared to July's 110 mm (4.3 in) over 12 days. Additionally, October’s humidity is significantly higher at 89%, in contrast to July’s more moderate 72%. For those interested in the specifics of July weather, Grenoble weather in July provides detailed insights.

In comparing the weather of October and August, we see a significant shift in temperature and humidity. October brings cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (50°F), while August features much warmer conditions, with a low of 6°C (43°F) and an average of 18°C (65°F). The maximum temperature in August can reach up to 32°C (90°F), contrasting sharply with October's maximum of 23°C (73°F). Additionally, October experiences higher humidity at 89% and increased precipitation, averaging 120 mm (4.7 in) over 11 days, compared to August's 63% humidity and 103 mm (4.1 in) of rain over 12 days. For more on August weather specifics, visit Grenoble weather in August.

October weather exhibits cooler temperatures compared to September, with an average of 10°C (50°F) versus September's 14°C (58°F). Both months share a minimum temperature of -2°C, but October reaches a maximum of 23°C (73°F), slightly lower than September's high of 27°C (81°F). Precipitation increases in October to 120 mm (4.7 in) over 11 days, compared to 81 mm (3.2 in) over 10 days in September, and humidity is notably higher in October at 89%, compared to 73% in September. For a more detailed look at September weather, visit Grenoble weather in September.

October and November present a clear transition in weather conditions. In October, temperatures range from a chilly -2°C (29°F) at night to a mild 23°C (73°F) during the day, with an average temperature of 10°C (50°F). The month sees considerable rainfall, totaling 120 mm (4.7 in) across approximately 11 days, accompanied by high humidity levels at 89%. In contrast, November brings even colder nights with temperatures dropping to -8°C (18°F) and a lower average of 4°C (39°F). Daytime highs reach 18°C (65°F) and precipitation remains similar at 119 mm (4.7 in), but spread over 13 days, resulting in slightly higher humidity at 90%. For a detailed look at November's weather, check Grenoble weather in November.

In October, the weather is relatively mild, with average temperatures ranging from a low of -2°C (29°F) to a pleasant high of 23°C (73°F). The month experiences an average of 120 mm (4.7 in) of precipitation spread over 11 days, amidst high humidity at 89%. In contrast, December brings a notable drop in temperature, with an average low of -15°C (6°F) and only a maximum of 12°C (54°F). Precipitation increases significantly to 229 mm (9.0 in), occurring over 18 days, while humidity remains similar at 90%. For more specific details on the December climate, you can check out Grenoble weather in December.

Compare Grenoble's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Grenoble

October in Grenoble marks a notable transition, as the city shifts from the warmth of summer to the crispness of autumn. With a maximum temperature reaching a pleasant 23°C, the days still offer some warmth, but the average dips to a cool 10°C, signaling the onset of sweater weather. Low temperatures can plummet to a chilly -2°C, making layers essential for early mornings and late evenings. Additionally, while October sees increased precipitation, boasting about 120 mm over 11 days, it hints at the wet conditions that often characterize the approaching winter months. With humidity lingering at around 89%, the air takes on a damp feel, setting a cozy tone for the fall season. For a deeper look into the climate trends throughout the year, explore Grenoble Climate.