Last updated: August 23, 2025
In December, the average temperature in Crossmolina, Ireland hovers around 7°C (44°F), with a minimum dipping to -2°C (29°F) and a maximum rising to 13°C (55°F). Expect a significant precipitation of 119 mm (4.7 in) over approximately 21 days, coupled with a high average humidity of 89%. Prepare for a damp and chilly month!
In December in Crossmolina, the average temperature is 7°C (44°F). Maximum temperatures can reach 13°C (55°F), while minimums can drop to as low as -2°C (29°F). Travelers should pack for cool weather and be prepared for the possibility of chilly days and nights.
In Crossmolina in December, the precipitation amount is 119 mm (4.7 in) over the course of 21 days.
In Crossmolina in December humidity is 89%. With an average temperature of 7°C (44°F), this humidity feels like a dense fog enveloping you, making every step sticky and cumbersome, and presenting a challenge for travelers who may find it hard to stay dry and comfortable while exploring.
In Crossmolina 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 Crossmolina.
UV Risk Categories
Weather in Crossmolina varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Crossmolina, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 87 mm (3.4 inches) | 88% | low |
| February Weather | 6°C (43°F) | 131 mm (5.1 inches) | 88% | low |
| March Weather | 6°C (44°F) | 113 mm (4.5 inches) | 87% | moderate |
| April Weather | 9°C (48°F) | 66 mm (2.6 inches) | 86% | moderate |
| May Weather | 11°C (52°F) | 79 mm (3.1 inches) | 83% | high |
| June Weather | 13°C (56°F) | 93 mm (3.7 inches) | 83% | very high |
| July Weather | 15°C (59°F) | 100 mm (3.9 inches) | 85% | very high |
| August Weather | 15°C (58°F) | 149 mm (5.9 inches) | 85% | high |
| September Weather | 13°C (55°F) | 94 mm (3.7 inches) | 88% | moderate |
| October Weather | 10°C (51°F) | 129 mm (5.1 inches) | 91% | moderate |
| November Weather | 8°C (46°F) | 111 mm (4.4 inches) | 92% | low |
| December Weather | 7°C (44°F) | 119 mm (4.7 inches) | 89% | low |