Last updated: August 23, 2025
In December, the average temperature in Onnaing, France hovers around 6°C (43°F). Expect chilly nights with minimum temperatures dipping to -4°C (26°F), while daytime can reach a pleasant 15°C (59°F). Be prepared for 98 mm (3.9 in) of precipitation over 17 days, contributing to an average humidity of 92%. Embrace the cozy atmosphere!
In December in Onnaing, the average temperature is 6°C (43°F). Maximums can reach 15°C (59°F), while minimums can drop as low as -4°C (26°F). Be prepared for a range of weather conditions during your travels!
In Onnaing in December, the precipitation amount is 98 mm (3.9 in) over a span of 17 days.
In Onnaing in December humidity is 92%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps through your clothes, making outdoor activities uncomfortable and requiring extra layers for warmth while navigating the slick streets.
In Onnaing 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 Onnaing.
UV Risk Categories
Weather in Onnaing varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Onnaing, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 64 mm (2.5 inches) | 91% | low |
| February Weather | 6°C (42°F) | 69 mm (2.7 inches) | 89% | low |
| March Weather | 8°C (46°F) | 70 mm (2.8 inches) | 87% | moderate |
| April Weather | 10°C (51°F) | 37 mm (1.4 inches) | 85% | moderate |
| May Weather | 14°C (57°F) | 58 mm (2.3 inches) | 82% | high |
| June Weather | 18°C (65°F) | 57 mm (2.2 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 56 mm (2.2 inches) | 80% | very high |
| August Weather | 19°C (66°F) | 76 mm (3.0 inches) | 76% | high |
| September Weather | 16°C (61°F) | 48 mm (1.9 inches) | 82% | moderate |
| October Weather | 12°C (55°F) | 81 mm (3.2 inches) | 89% | moderate |
| November Weather | 8°C (46°F) | 60 mm (2.4 inches) | 92% | low |
| December Weather | 6°C (43°F) | 98 mm (3.9 inches) | 92% | low |