Last updated: August 23, 2025
In Rathdowney, Ireland, the average temperature in December hovers around 6°C (43°F). Expect a chilly range with minimum temperatures dropping to -6°C (21°F), while daytime highs can reach up to 14°C (57°F). Be prepared for some wet days, as 105 mm (4.1 in) of precipitation is expected over approximately 15 days. Don't forget your raincoat, as the average humidity is a brisk 89%!
In December in Rathdowney, the average temperature is 6°C (43°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -6°C (21°F). Be sure to pack layers and prepare for a mix of chilly and mild weather during your travels.
In Rathdowney in December, the total precipitation amount is 105 mm (4.1 in) over a span of 15 days.
In Rathdowney in December, humidity is 89%. With an average temperature of 6°C (43°F), this humidity feels like a chilly, damp embrace that can make outdoor activities uncomfortable and energy-draining, often leading travelers to seek shelter indoors or dress in layers to cope with the cold and moist air.
In Rathdowney 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 Rathdowney.
UV Risk Categories
Weather in Rathdowney varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rathdowney, 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) | 88% | low |
| February Weather | 6°C (43°F) | 95 mm (3.7 inches) | 88% | low |
| March Weather | 6°C (44°F) | 83 mm (3.3 inches) | 87% | moderate |
| April Weather | 8°C (47°F) | 56 mm (2.2 inches) | 86% | moderate |
| May Weather | 11°C (52°F) | 64 mm (2.5 inches) | 83% | high |
| June Weather | 14°C (57°F) | 66 mm (2.6 inches) | 83% | very high |
| July Weather | 16°C (61°F) | 69 mm (2.7 inches) | 85% | very high |
| August Weather | 15°C (59°F) | 93 mm (3.6 inches) | 85% | high |
| September Weather | 13°C (56°F) | 61 mm (2.4 inches) | 88% | moderate |
| October Weather | 10°C (51°F) | 88 mm (3.5 inches) | 91% | moderate |
| November Weather | 7°C (46°F) | 84 mm (3.3 inches) | 92% | low |
| December Weather | 6°C (43°F) | 105 mm (4.1 inches) | 89% | low |