Last updated: August 27, 2025
In December, the average temperature in Forest Row, United Kingdom is a cool 7°C (44°F). Expect chilly nights with minimum temperatures dipping to -3°C (26°F), while pleasant daytime highs can reach up to 14°C (58°F). Be prepared for wet weather, as 102 mm (4.0 in) of precipitation may fall over the course of 14 days, accompanied by a high average humidity of 92%.
In December in Forest Row, the average temperature is 7°C (44°F). The maximum can reach 14°C (58°F), and the minimum can be as low as -3°C (26°F). Be sure to pack layers to stay comfortable while exploring the local attractions!
In Forest Row in December, the precipitation amount is 102 mm (4.0 in) over a period of 14 days.
In Forest Row in December, humidity is 92%. With an average temperature of 7°C (44°F), this humidity feels like an oppressive blanket, making outdoor activities uncomfortable and travel cumbersome as the dampness seeps into your clothes and chills your bones.
In Forest Row 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 Forest Row.
UV Risk Categories
Weather in Forest Row varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Forest Row, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 57 mm (2.2 inches) | 91% | low |
| February Weather | 6°C (43°F) | 60 mm (2.3 inches) | 89% | low |
| March Weather | 8°C (46°F) | 57 mm (2.2 inches) | 86% | moderate |
| April Weather | 9°C (49°F) | 35 mm (1.4 inches) | 85% | moderate |
| May Weather | 13°C (55°F) | 65 mm (2.6 inches) | 82% | high |
| June Weather | 16°C (61°F) | 71 mm (2.8 inches) | 81% | very high |
| July Weather | 18°C (65°F) | 58 mm (2.3 inches) | 76% | very high |
| August Weather | 17°C (64°F) | 70 mm (2.7 inches) | 73% | high |
| September Weather | 15°C (59°F) | 53 mm (2.1 inches) | 80% | high |
| October Weather | 12°C (54°F) | 92 mm (3.6 inches) | 89% | moderate |
| November Weather | 8°C (47°F) | 67 mm (2.7 inches) | 92% | low |
| December Weather | 7°C (44°F) | 102 mm (4.0 inches) | 92% | low |