Isère (Grenoble)
December
Weather in Isère for December 2026
Your guide to Isère weather in December - trends and predictions
With an average of 4 snowy days, Isère usually enjoys a light touch of snow in December.
In general, the average temperature in Isère at the beginning of December is 5.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 8.4 °C by the end of December.
Is December a good time to visit Isère? check out the best time to travel to Isère page.
✨ Is December a good time to visit Isère? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
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16
Dry days
11
Rainy days
4
Snow days
7°/0°
Temperatures
8 km/h
Avg max wind
85 %
Avg humidity
Isère Weather December
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Temperatures trend during December in Isère
See the weather trend as well as the moving average line
December weather in Isère day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate rain | 8° /0° | 20.1 mm | 1.4 cm | |
| 2 Dec. |  Light snow | 7° /-1° | 7.1 mm | 4.5 cm | |
| 3 Dec. |  Patchy rain possible | 4° /-2° | 1.7 mm | 0 cm | |
| 4 Dec. |  Light rain | 4° /1° | 3.2 mm | 0 cm | |
| 5 Dec. | Light rain | 4° /-3° | 3.2 mm | 0.2 cm | |
| 6 Dec. | Light rain | 6° /-1° | 4.7 mm | 0 cm | |
| 7 Dec. | Light rain | 7° /-1° | 6.8 mm | 0 cm | |
| 8 Dec. | Moderate rain | 6° /1° | 10.4 mm | 2.6 cm | |
| 9 Dec. | Light rain | 8° /2° | 4.4 mm | 1.3 cm | |
| 10 Dec. | Patchy rain possible | 6° /1° | 2.4 mm | 0.1 cm | |
| 11 Dec. | Moderate rain | 7° /1° | 11.3 mm | 0 cm | |
| 12 Dec. | Light rain shower | 11° /4° | 2.2 mm | 0 cm | |
| 13 Dec. | Light rain | 9° /2° | 6.2 mm | 0 cm | |
| 14 Dec. |  Light sleet | 6° /1° | 11.8 mm | 0 cm | |
| 15 Dec. |  Fog | 6° /0° | 0.8 mm | 0.2 cm | |
| 16 Dec. | Patchy rain possible | 7° /0° | 1.8 mm | 0 cm | |
| 17 Dec. |  Sunny | 10° /0° | 0.4 mm | 0 cm | |
| 18 Dec. | Sunny | 11° /1° | 0 mm | 0 cm | |
| 19 Dec. | Moderate rain | 9° /1° | 10.8 mm | 0 cm | |
| 20 Dec. | Light snow | 6° /2° | 4.5 mm | 2.9 cm | |
| 21 Dec. | Light drizzle | 7° /0° | 2.2 mm | 0 cm | |
| 22 Dec. | Moderate rain | 8° /3° | 14.4 mm | 1.4 cm | |
| 23 Dec. | Moderate rain | 7° /3° | 17.4 mm | 9.3 cm | |
| 24 Dec. | Patchy rain possible | 6° /0° | 2.3 mm | 0.7 cm | |
| 25 Dec. |  Partly cloudy | 8° /-2° | 0.1 mm | 0.1 cm | |
| 26 Dec. | Patchy rain possible | 8° /-1° | 1.5 mm | 0 cm | |
| 27 Dec. | Sunny | 9° /0° | 0.2 mm | 0 cm | |
| 28 Dec. | Partly cloudy | 10° /1° | 0 mm | 0 cm | |
| 29 Dec. | Patchy rain possible | 9° /1° | 1.8 mm | 0 cm | |
| 30 Dec. | Patchy rain possible | 7° /1° | 1.5 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 8° /0° | 2.4 mm | 0 cm | |
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Important Notice
Our weather forecast for Isère in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Isère forecast closer to your planned date for the most up-to-date weather information.
Change Month
Isère weather in December vs November vs January
Compare December weather in Isère with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible |  Cloudy | Cloudy |
| Temperatures | 9°/2° | 7°/0° | 6°/-1° |
| Rainfall | 179 mm | 158 mm | 152 mm |
| Snowfall | 14 cm | 25 cm | 27 cm |
| Wind | 8.7 km/h | 7.6 km/h | 8.2 km/h |
| Humidity | 84% | 85% | 86% |
| Rainy days | 13 days | 11 days | 8 days |
| Snow days | 3 days | 4 days | 6 days |
| Dry days | 14 days | 16 days | 17 days |
Planning a trip to Isère? Discover the best time to visit
Isère in December - FAQ
What are the expected maximum and minimum temperatures in Isère during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 0°.
How much rainfall should be expected in Isère during December?
Significant rainfall exceeding 157.7 mm is expected in Isère during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Isère in December 2026?
Isère experiences an average snowfall of 24.6 cm during December, occurring over 4 days.
What are the typical wind conditions in Isère during December?
The average wind speed in Isère during December is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
Isère snow forecast December 2026
Track daily snowfall levels and discover Isère’s snowy potential this December ❄️
On average, Isère sees 4 snowy days during December, with approximately 24.6 cm of total snowfall.
December rainfall patterns in Isère
Explore the daily rainfall trends and prepare for Isères December weather 💧
Typically, Isère has 11 rainy days in December with a total of 157.7 mm of rainfall.
What to pack to Isère in December?
Cold & raw · highs around 7 °C, frequent showers
As you prepare for your trip to Isère in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Isère, during December, is comfortable and enjoyable, regardless of the weather conditions.
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