Last updated: August 27, 2025
In December, the average temperature in Forfar, United Kingdom hovers around 3°C (38°F). Expect chilly conditions, with minimum temperatures dropping to -8°C (18°F) and highs reaching up to 12°C (54°F). This month typically sees 91 mm (3.6 in) of precipitation over 14 days, contributing to an average humidity of 88%. Be prepared for a moist and cool experience!
In December in Forfar, the average temperature is 3°C (38°F). Maximums can reach 12°C (54°F), while minimums can dip as low as -8°C (18°F). Be sure to pack warm clothing and prepare for chilly weather if you plan to travel during this time.
In Forfar in December, the precipitation amount is 91 mm (3.6 in) over a span of 14 days.
In Forfar in December, humidity is 88%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.
In Forfar 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 Forfar.
UV Risk Categories
Weather in Forfar varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Forfar, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 50 mm (2.0 inches) | 89% | low |
| February Weather | 3°C (38°F) | 100 mm (3.9 inches) | 88% | low |
| March Weather | 4°C (40°F) | 82 mm (3.2 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 43 mm (1.7 inches) | 84% | moderate |
| May Weather | 9°C (49°F) | 92 mm (3.6 inches) | 82% | high |
| June Weather | 12°C (55°F) | 83 mm (3.3 inches) | 84% | very high |
| July Weather | 14°C (58°F) | 96 mm (3.8 inches) | 86% | high |
| August Weather | 14°C (57°F) | 101 mm (4.0 inches) | 86% | high |
| September Weather | 11°C (53°F) | 74 mm (2.9 inches) | 90% | moderate |
| October Weather | 8°C (47°F) | 106 mm (4.2 inches) | 91% | moderate |
| November Weather | 5°C (42°F) | 97 mm (3.8 inches) | 92% | low |
| December Weather | 3°C (38°F) | 91 mm (3.6 inches) | 88% | low |