Last updated: August 23, 2025
In December, the average temperature in Rathvilly, Ireland hovers around 6°C (43°F). Expect chilly conditions, with minimums dipping to -5°C (23°F) and highs reaching up to 13°C (56°F). Brace for wet weather as 96 mm (3.8 in) of precipitation is likely over 15 days. Keep your spirits high despite the gloom, as the average humidity sits at a damp 84%.
In December, in Rathvilly, the average temperature is 6°C (43°F). Maximum temperatures can reach 13°C (56°F), while the minimum can drop as low as -5°C (23°F). Be prepared for a mix of chilly and mild weather if you're planning to travel during this time.
In Rathvilly in December, the precipitation amount is 96 mm (3.8 in) over the course of 15 days.
In Rathvilly 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 Rathvilly 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 Rathvilly.
UV Risk Categories
Weather in Rathvilly varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rathvilly, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 58 mm (2.3 inches) | 85% | low |
| February Weather | 6°C (42°F) | 89 mm (3.5 inches) | 86% | low |
| March Weather | 6°C (44°F) | 83 mm (3.3 inches) | 86% | moderate |
| April Weather | 8°C (47°F) | 55 mm (2.2 inches) | 85% | moderate |
| May Weather | 11°C (52°F) | 70 mm (2.8 inches) | 83% | high |
| June Weather | 14°C (57°F) | 70 mm (2.7 inches) | 85% | very high |
| July Weather | 16°C (61°F) | 71 mm (2.8 inches) | 86% | very high |
| August Weather | 15°C (59°F) | 93 mm (3.7 inches) | 85% | high |
| September Weather | 13°C (56°F) | 67 mm (2.6 inches) | 86% | moderate |
| October Weather | 10°C (50°F) | 90 mm (3.5 inches) | 87% | moderate |
| November Weather | 7°C (45°F) | 91 mm (3.6 inches) | 86% | low |
| December Weather | 6°C (43°F) | 96 mm (3.8 inches) | 84% | low |