Last updated: August 23, 2025
In December, the average temperature in Rosieres-en-Santerre, France hovers around 6°C (43°F). Expect chilly days, with temperatures dipping as low as -4°C (25°F) and peaking at a mild 15°C (59°F). Prepare for some wet weather, as 98 mm (3.9 in) of precipitation is anticipated over 16 days, combined with a high average humidity of 93%.
In December in Rosieres-en-Santerre, the average temperature hovers around 6°C (43°F), with maximums reaching up to 15°C (59°F) and minimums dipping as low as -4°C (25°F). Be prepared for chilly weather during your travels!
In Rosieres-en-Santerre in December, the total precipitation amount is 98 mm (3.9 in) recorded over a span of 16 days.
In Rosieres-en-Santerre in December, humidity is 93%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel particularly uncomfortable and the air feel heavy, as though every step is met with resistance.
In Rosieres-en-Santerre 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 Rosieres-en-Santerre.
UV Risk Categories
Weather in Rosieres-en-Santerre varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rosieres-en-Santerre, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 60 mm (2.4 inches) | 91% | low |
| February Weather | 6°C (43°F) | 66 mm (2.6 inches) | 89% | moderate |
| March Weather | 8°C (46°F) | 70 mm (2.8 inches) | 86% | moderate |
| April Weather | 10°C (51°F) | 33 mm (1.3 inches) | 84% | high |
| May Weather | 14°C (57°F) | 65 mm (2.6 inches) | 82% | very high |
| June Weather | 18°C (65°F) | 57 mm (2.2 inches) | 82% | very high |
| July Weather | 20°C (67°F) | 49 mm (1.9 inches) | 80% | very high |
| August Weather | 19°C (67°F) | 72 mm (2.9 inches) | 76% | very high |
| September Weather | 16°C (61°F) | 43 mm (1.7 inches) | 81% | high |
| October Weather | 12°C (55°F) | 78 mm (3.1 inches) | 88% | moderate |
| November Weather | 7°C (46°F) | 67 mm (2.6 inches) | 92% | low |
| December Weather | 6°C (43°F) | 98 mm (3.9 inches) | 93% | low |