Last updated: August 27, 2025
In December, the average temperature in Rock, United Kingdom hovers around 9°C (48°F), with nighttime lows dipping to 1°C (34°F) and daytime highs reaching up to 14°C (57°F). Expect rain during approximately 21 days, accumulating to about 131 mm (5.1 in) of precipitation. With the average humidity at a comfortable 80%, it's a month where you might want to keep an umbrella handy!
In December in Rock, the average temperature is 9°C (48°F). The maximum can reach 14°C (57°F), while the minimum can be as low as 1°C (34°F). This weather makes Rock a perfect destination for travelers looking to enjoy crisp, cool days filled with outdoor activities.
In Rock in December, the precipitation amount reaches 131 mm (5.1 in) over the course of 21 days.
In Rock in December humidity is 80%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel quite uncomfortable.
In Rock 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 Rock.
UV Risk Categories
Weather in Rock varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rock, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 7°C (46°F) | 74 mm (2.9 inches) | 81% | low |
| February Weather | 8°C (46°F) | 86 mm (3.4 inches) | 84% | low |
| March Weather | 8°C (47°F) | 89 mm (3.5 inches) | 83% | moderate |
| April Weather | 10°C (50°F) | 48 mm (1.9 inches) | 84% | high |
| May Weather | 12°C (54°F) | 67 mm (2.6 inches) | 85% | high |
| June Weather | 15°C (59°F) | 93 mm (3.6 inches) | 86% | very high |
| July Weather | 17°C (63°F) | 72 mm (2.8 inches) | 87% | very high |
| August Weather | 16°C (62°F) | 73 mm (2.9 inches) | 86% | high |
| September Weather | 15°C (59°F) | 77 mm (3.0 inches) | 85% | high |
| October Weather | 13°C (55°F) | 118 mm (4.7 inches) | 85% | moderate |
| November Weather | 10°C (50°F) | 102 mm (4.0 inches) | 82% | low |
| December Weather | 9°C (48°F) | 131 mm (5.1 inches) | 80% | low |