Last updated: August 23, 2025
In Gresy-sur-Isere, France, the average temperature in January hovers around -3°C (27°F). Expect chilly days, with minimum temperatures plunging to -19°C (-2°F) and highs reaching a brisk 10°C (50°F). Additionally, prepare for 140 mm (5.5 in) of precipitation over approximately 11 days, paired with a high average humidity of 91%.
In January in Gresy-sur-Isere, the average temperature is -3°C (27°F), with a maximum reaching 10°C (50°F) and a minimum dropping as low as -19°C (-2°F). Be sure to pack warm clothing if you're planning to travel during this time!
In Gresy-sur-Isere in January, the total precipitation amount is 140 mm (5.5 in), occurring over a span of 11 days.
In Gresy-sur-Isere in January humidity is 91%. With an average temperature of -3°C (27°F), this humidity feels like a thick, icy blanket wrapping around you, making travel quite uncomfortable as every breath is a mix of frigid air and moisture, and the cold dampness clings to your skin, turning even short outings into a test of endurance.
In Gresy-sur-Isere in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Gresy-sur-Isere, you can check the information here.
UV Risk Categories
Weather in Gresy-sur-Isere varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Gresy-sur-Isere, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 140 mm (5.5 inches) | 91% | moderate |
| February Weather | 1°C (33°F) | 116 mm (4.6 inches) | 87% | moderate |
| March Weather | 3°C (38°F) | 154 mm (6.1 inches) | 84% | high |
| April Weather | 6°C (44°F) | 84 mm (3.3 inches) | 83% | very high |
| May Weather | 10°C (50°F) | 196 mm (7.7 inches) | 78% | very high |
| June Weather | 15°C (59°F) | 165 mm (6.5 inches) | 75% | very high |
| July Weather | 17°C (62°F) | 129 mm (5.1 inches) | 72% | very high |
| August Weather | 16°C (62°F) | 125 mm (4.9 inches) | 63% | very high |
| September Weather | 12°C (55°F) | 92 mm (3.6 inches) | 73% | high |
| October Weather | 8°C (47°F) | 118 mm (4.6 inches) | 89% | moderate |
| November Weather | 2°C (37°F) | 115 mm (4.5 inches) | 90% | moderate |
| December Weather | -1°C (30°F) | 252 mm (9.9 inches) | 90% | low |