Last updated: August 27, 2025
In December, the average temperature in Crossmaglen, United Kingdom hovers around 6°C (43°F), with temperatures ranging from a chilly -3°C (27°F) to a comfortable 13°C (56°F). During this month, expect 89 mm (3.5 in) of precipitation spread over approximately 13 days, while the air maintains a high average humidity of 84%. Prepare for a mix of cold and wet conditions, perfect for cozy indoor activities!
In December in Crossmaglen, the average temperature is 6°C (43°F), with maximums reaching up to 13°C (56°F) and minimums dropping as low as -3°C (27°F). Be sure to pack layers and prepare for chilly evenings if you're planning to visit during this time!
In Crossmaglen in December, the precipitation amount is 89 mm (3.5 in) distributed over 13 days.
In Crossmaglen in December, humidity is 84%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.
In Crossmaglen 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 Crossmaglen.
UV Risk Categories
Weather in Crossmaglen varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Crossmaglen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 54 mm (2.1 inches) | 85% | low |
| February Weather | 6°C (43°F) | 85 mm (3.4 inches) | 86% | low |
| March Weather | 7°C (44°F) | 80 mm (3.1 inches) | 86% | moderate |
| April Weather | 8°C (47°F) | 45 mm (1.8 inches) | 85% | moderate |
| May Weather | 11°C (53°F) | 66 mm (2.6 inches) | 83% | high |
| June Weather | 14°C (58°F) | 76 mm (3.0 inches) | 85% | very high |
| July Weather | 16°C (61°F) | 74 mm (2.9 inches) | 86% | very high |
| August Weather | 15°C (59°F) | 114 mm (4.5 inches) | 85% | high |
| September Weather | 13°C (56°F) | 74 mm (2.9 inches) | 86% | moderate |
| October Weather | 10°C (51°F) | 80 mm (3.1 inches) | 87% | moderate |
| November Weather | 8°C (46°F) | 84 mm (3.3 inches) | 86% | low |
| December Weather | 6°C (43°F) | 89 mm (3.5 inches) | 84% | low |