Last updated: August 23, 2025
In Rombas, France, the average temperature in December is a brisk 4°C (40°F), making it a season for cozy layers. Expect minimums dipping to a chilly -5°C (23°F) and highs reaching up to 15°C (59°F). With 120 mm (4.7 in) of precipitation spread across 19 days, it's a good idea to keep an umbrella handy. Don't forget, the average humidity lingers at a damp 93%, adding to the cool atmosphere.
In December in Rombas, the average temperature is 4°C (40°F). Maximums can reach 15°C (59°F) and minimums can be as low as -5°C (23°F). Be prepared for chilly weather, layered clothing is essential for a comfortable visit.
In Rombas in December, the precipitation amount is 120 mm (4.7 in) over the course of 19 days.
In Rombas in December, humidity is 93%. With an average temperature of 4°C (40°F), this humidity feels like a cold, damp blanket wrapping around you, making travel uncomfortable and requiring extra layers to stay warm, as every step can feel heavy in the thick, moisture-laden air.
In Rombas 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 Rombas.
UV Risk Categories
Weather in Rombas varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rombas, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (37°F) | 72 mm (2.8 inches) | 91% | low |
| February Weather | 4°C (40°F) | 75 mm (3.0 inches) | 90% | moderate |
| March Weather | 7°C (44°F) | 75 mm (2.9 inches) | 88% | moderate |
| April Weather | 10°C (50°F) | 40 mm (1.6 inches) | 84% | high |
| May Weather | 14°C (57°F) | 75 mm (3.0 inches) | 81% | very high |
| June Weather | 19°C (66°F) | 71 mm (2.8 inches) | 82% | very high |
| July Weather | 20°C (68°F) | 69 mm (2.7 inches) | 82% | very high |
| August Weather | 19°C (67°F) | 52 mm (2.1 inches) | 80% | very high |
| September Weather | 15°C (60°F) | 67 mm (2.6 inches) | 83% | high |
| October Weather | 11°C (53°F) | 75 mm (3.0 inches) | 89% | moderate |
| November Weather | 6°C (43°F) | 71 mm (2.8 inches) | 91% | low |
| December Weather | 4°C (40°F) | 120 mm (4.7 inches) | 93% | low |