Last updated: August 27, 2025
In December, the average temperature in Omagh, United Kingdom hovers around 6°C (43°F). Expect chilly days, with minimums dipping to -3°C (26°F) and maximums reaching up to 13°C (55°F). Be prepared for rain, as the area receives approximately 98 mm (3.8 in) of precipitation over 16 days. With an average humidity of 86%, you might want to bring an umbrella and a warm jacket!
In December in Omagh, the average temperature is 6°C (43°F). The maximum can reach 13°C (55°F), and the minimum can be as low as -3°C (26°F). Travelers should prepare for chilly conditions and pack warm clothing for their visit.
In Omagh in December, the precipitation amount is 98 mm (3.8 in) over the course of 16 days.
In Omagh in December humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.
In Omagh 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 Omagh.
UV Risk Categories
Weather in Omagh varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Omagh, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 69 mm (2.7 inches) | 87% | low |
| February Weather | 5°C (42°F) | 108 mm (4.2 inches) | 86% | low |
| March Weather | 6°C (43°F) | 92 mm (3.6 inches) | 86% | moderate |
| April Weather | 8°C (47°F) | 54 mm (2.1 inches) | 85% | moderate |
| May Weather | 11°C (52°F) | 71 mm (2.8 inches) | 82% | high |
| June Weather | 14°C (57°F) | 93 mm (3.7 inches) | 84% | very high |
| July Weather | 15°C (59°F) | 87 mm (3.4 inches) | 86% | very high |
| August Weather | 15°C (58°F) | 127 mm (5.0 inches) | 86% | high |
| September Weather | 13°C (55°F) | 77 mm (3.0 inches) | 88% | moderate |
| October Weather | 10°C (50°F) | 94 mm (3.7 inches) | 89% | moderate |
| November Weather | 7°C (45°F) | 91 mm (3.6 inches) | 90% | low |
| December Weather | 6°C (43°F) | 98 mm (3.8 inches) | 86% | low |