Last updated: August 23, 2025
In December, the average temperature in Longford, Ireland is a cool 6°C (43°F), with lows dipping to -4°C (24°F) and highs reaching up to 13°C (56°F). Expect a wet month, as precipitation totals around 96 mm (3.8 in) over 16 days, contributing to an average humidity of 89%. Be prepared for a chilly, damp experience!
In December in Longford, the average temperature is 6°C (43°F). The maximum can reach 13°C (56°F), while the minimum can drop as low as -4°C (24°F). Be prepared for chilly weather and pack accordingly for your trip!
In Longford in December, the total precipitation amount is 96 mm (3.8 in) recorded over 16 days.
In Longford 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 Longford 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 Longford.
UV Risk Categories
Weather in Longford varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Longford, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (42°F) | 66 mm (2.6 inches) | 88% | low |
| February Weather | 6°C (43°F) | 107 mm (4.2 inches) | 88% | low |
| March Weather | 7°C (44°F) | 91 mm (3.6 inches) | 87% | moderate |
| April Weather | 9°C (48°F) | 55 mm (2.2 inches) | 86% | moderate |
| May Weather | 12°C (53°F) | 75 mm (2.9 inches) | 83% | high |
| June Weather | 14°C (58°F) | 88 mm (3.5 inches) | 83% | very high |
| July Weather | 16°C (61°F) | 85 mm (3.4 inches) | 85% | very high |
| August Weather | 15°C (59°F) | 131 mm (5.2 inches) | 85% | high |
| September Weather | 13°C (56°F) | 77 mm (3.0 inches) | 88% | moderate |
| October Weather | 10°C (51°F) | 93 mm (3.7 inches) | 91% | moderate |
| November Weather | 7°C (46°F) | 93 mm (3.7 inches) | 92% | low |
| December Weather | 6°C (43°F) | 96 mm (3.8 inches) | 89% | low |