Last updated: August 23, 2025
In Clairmarais, France, the average temperature in December hovers around 6°C (43°F). Expect a chilly minimum of -3°C (27°F) and a balmy maximum of 14°C (58°F). During this month, precipitation measures approximately 100 mm (3.9 in) over 17 days, contributing to an average humidity of a damp 92%. Prepare accordingly for the cool, wet conditions!
In December in Clairmarais, the average temperature is 6°C (43°F). The maximum can reach 14°C (58°F), while the minimum can drop as low as -3°C (27°F). It's advisable to pack both warm clothing and lighter layers to accommodate the fluctuating temperatures during your travels.
In Clairmarais in December, the precipitation amount is 100 mm (3.9 in) over the course of 17 days.
In Clairmarais 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 Clairmarais 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 Clairmarais.
UV Risk Categories
Weather in Clairmarais varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Clairmarais, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 63 mm (2.5 inches) | 91% | low |
| February Weather | 6°C (43°F) | 60 mm (2.3 inches) | 89% | low |
| March Weather | 8°C (46°F) | 64 mm (2.5 inches) | 86% | moderate |
| April Weather | 10°C (50°F) | 37 mm (1.4 inches) | 85% | moderate |
| May Weather | 13°C (56°F) | 69 mm (2.7 inches) | 82% | high |
| June Weather | 17°C (63°F) | 70 mm (2.8 inches) | 81% | very high |
| July Weather | 18°C (65°F) | 52 mm (2.0 inches) | 76% | very high |
| August Weather | 18°C (65°F) | 77 mm (3.1 inches) | 73% | high |
| September Weather | 15°C (60°F) | 55 mm (2.1 inches) | 80% | moderate |
| October Weather | 13°C (55°F) | 83 mm (3.3 inches) | 89% | moderate |
| November Weather | 8°C (47°F) | 60 mm (2.4 inches) | 92% | low |
| December Weather | 6°C (43°F) | 100 mm (3.9 inches) | 92% | low |