Last updated: August 23, 2025
In December, the average temperature in Belmullet, Ireland hovers around 8°C (47°F). Expect minimum temperatures to dip to 2°C (35°F), while highs reach up to 13°C (55°F). Be prepared for 147 mm (5.8 in) of precipitation spread over approximately 23 days, contributing to an average humidity of 78%.
In December in Belmullet, the average temperature is 8°C (47°F). The maximum can reach 13°C (55°F), while the minimum can be as low as 2°C (35°F). It's a cool time of year, so travelers should pack layers to stay comfortable while exploring.
In Belmullet in December, the total precipitation amount is 147 mm (5.8 in) spread over 23 days.
In Belmullet in December, humidity is 78%. With an average temperature of 8°C (47°F), this humidity feels like a chilly embrace, making travel invigorating yet damp, as the cool air wraps around you, emphasizing the need for layers to stay comfortable while exploring.
In Belmullet 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 Belmullet.
UV Risk Categories
Weather in Belmullet varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Belmullet, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 8°C (46°F) | 107 mm (4.2 inches) | 79% | low |
February Weather | 7°C (45°F) | 139 mm (5.5 inches) | 79% | low |
March Weather | 8°C (46°F) | 115 mm (4.5 inches) | 79% | moderate |
April Weather | 9°C (49°F) | 64 mm (2.5 inches) | 81% | moderate |
May Weather | 11°C (52°F) | 71 mm (2.8 inches) | 86% | high |
June Weather | 13°C (55°F) | 88 mm (3.5 inches) | 85% | very high |
July Weather | 14°C (58°F) | 92 mm (3.6 inches) | 87% | very high |
August Weather | 15°C (59°F) | 146 mm (5.7 inches) | 86% | high |
September Weather | 14°C (57°F) | 109 mm (4.3 inches) | 86% | moderate |
October Weather | 12°C (53°F) | 160 mm (6.3 inches) | 83% | moderate |
November Weather | 9°C (49°F) | 148 mm (5.8 inches) | 81% | low |
December Weather | 8°C (47°F) | 147 mm (5.8 inches) | 78% | low |