Last updated: August 27, 2025
In December, the average temperature in Sturminster Marshall, United Kingdom hovers around 8°C (46°F). Expect cooler days with a minimum temperature dropping to -1°C (30°F) while the mercury can rise to a maximum of 14°C (58°F). Be prepared for some rain as 102 mm (4.0 in) of precipitation is likely over approximately 14 days. With an average humidity of 92%, it’s a month where layers are your best friend!
In December in Sturminster Marshall, the average temperature is 8°C (46°F). The maximum can reach 14°C (58°F), while the minimum can drop to as low as -1°C (30°F). Travelers should be prepared for a mix of mild and chilly weather, making layering essential for comfort.
In Sturminster Marshall in December, the precipitation amount is 102 mm (4.0 in) over a period of 14 days.
In Sturminster Marshall in December, humidity is 92%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that settles deep into your bones, making outdoor adventures uncomfortable and necessitating extra layers to stay warm while you explore.
In Sturminster Marshall 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 Sturminster Marshall.
UV Risk Categories
Weather in Sturminster Marshall varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sturminster Marshall, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (44°F) | 56 mm (2.2 inches) | 91% | low |
| February Weather | 7°C (45°F) | 65 mm (2.5 inches) | 89% | low |
| March Weather | 8°C (47°F) | 68 mm (2.7 inches) | 86% | moderate |
| April Weather | 10°C (50°F) | 38 mm (1.5 inches) | 85% | moderate |
| May Weather | 13°C (55°F) | 59 mm (2.3 inches) | 79% | high |
| June Weather | 16°C (61°F) | 70 mm (2.8 inches) | 80% | very high |
| July Weather | 18°C (65°F) | 51 mm (2.0 inches) | 71% | very high |
| August Weather | 17°C (64°F) | 71 mm (2.8 inches) | 76% | high |
| September Weather | 16°C (60°F) | 47 mm (1.8 inches) | 82% | high |
| October Weather | 13°C (55°F) | 106 mm (4.2 inches) | 90% | moderate |
| November Weather | 9°C (49°F) | 73 mm (2.9 inches) | 92% | low |
| December Weather | 8°C (46°F) | 102 mm (4.0 inches) | 92% | low |