Last updated: August 27, 2025
In December, the average temperature in Saint-Imier, Switzerland hovers around 2°C (36°F). Expect chilly conditions, with minimums dipping to -7°C (19°F) and maximums reaching 13°C (55°F). Adding to the cool ambiance, the region experiences 159 mm (6.2 in) of precipitation over approximately 20 days, resulting in a high average humidity of 91%. Be prepared for a damp, cold experience!
In December in Saint-Imier, the average temperature is 2°C (36°F), with maximums reaching up to 13°C (55°F) and minimums dropping as low as -7°C (19°F). It’s advisable to pack warm clothing if you plan to travel during this time, as temperatures can vary significantly.
In Saint-Imier in December, the precipitation amount is 159 mm (6.2 in) over the course of 20 days.
In Saint-Imier in December humidity is 91%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that clings to your skin, making every step outside a reminder of the cold, crisp air that sharpens your senses but can also dampen your spirits as you navigate the wet conditions.
In Saint-Imier in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Saint-Imier.
UV Risk Categories
Weather in Saint-Imier varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Imier, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 112 mm (4.4 inches) | 91% | low |
| February Weather | 2°C (37°F) | 92 mm (3.6 inches) | 89% | moderate |
| March Weather | 5°C (41°F) | 114 mm (4.5 inches) | 87% | moderate |
| April Weather | 9°C (48°F) | 73 mm (2.9 inches) | 84% | high |
| May Weather | 12°C (54°F) | 172 mm (6.8 inches) | 80% | very high |
| June Weather | 17°C (63°F) | 164 mm (6.5 inches) | 82% | very high |
| July Weather | 18°C (65°F) | 158 mm (6.2 inches) | 82% | very high |
| August Weather | 18°C (65°F) | 157 mm (6.2 inches) | 77% | very high |
| September Weather | 14°C (58°F) | 91 mm (3.6 inches) | 81% | high |
| October Weather | 10°C (49°F) | 112 mm (4.4 inches) | 89% | moderate |
| November Weather | 4°C (40°F) | 94 mm (3.7 inches) | 89% | low |
| December Weather | 2°C (36°F) | 159 mm (6.2 inches) | 91% | low |