December Weather in Collooney, Ireland

Last updated: August 23, 2025

In Collooney, Ireland, the average temperature in December hovers around 6°C (44°F). Expect chilly evenings, with minimums reaching -2°C (29°F) and occasional highs of 13°C (55°F). The weather can be damp, with an average precipitation of 119 mm (4.7 in) spread over 20 days, contributing to a high average humidity of 84%. Stay prepared for a cool and moist month ahead!

December Temperature in Collooney

In December in Collooney, the average temperature is 6°C (44°F). The maximum can reach 13°C (55°F), while the minimum can be as low as -2°C (29°F). Therefore, travelers should prepare for cool weather with layers and warm clothing.

December Weather in Collooney: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Collooney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Collooney, December typically has an average temperature of 6°C (44°F), with highs reaching up to 13°C (55°F) and lows dropping to around -2°C (29°F).

Data source: Temperature data for Collooney generated using information from the Copernicus Climate Change Service.

December Precipitation in Collooney

In Collooney in December, the total precipitation amount reaches 119 mm (4.7 in) over the course of 20 days.

December Precipitation Trends in Collooney

The chart displays monthly precipitation patterns in Collooney, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Collooney, December typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 20 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Collooney

In Collooney in December humidity is 84%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and necessitating layered clothing to stay warm and dry while exploring the area.

December Average Humidity in Collooney

This chart illustrates the average monthly humidity levels in Collooney, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Collooney is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Collooney

In Collooney 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 Collooney.

Maximum UV Index Levels in Collooney for December

The chart shows the monthly maximum UV Index (UVI) for Collooney in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Collooney typically reaches 1, which falls under the low exposure category.

Data source: Collooney December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Collooney Compares to Other Months

Weather in Collooney varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Collooney, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Collooney, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	88 mm (3.4 inches)	84%	low
February Weather	6°C (43°F)	131 mm (5.2 inches)	84%	low
March Weather	6°C (44°F)	119 mm (4.7 inches)	83%	moderate
April Weather	9°C (48°F)	65 mm (2.6 inches)	84%	moderate
May Weather	11°C (53°F)	86 mm (3.4 inches)	83%	high
June Weather	13°C (57°F)	117 mm (4.6 inches)	83%	very high
July Weather	15°C (59°F)	109 mm (4.3 inches)	86%	very high
August Weather	15°C (59°F)	158 mm (6.2 inches)	86%	high
September Weather	13°C (55°F)	106 mm (4.2 inches)	87%	moderate
October Weather	10°C (51°F)	131 mm (5.2 inches)	87%	moderate
November Weather	8°C (46°F)	115 mm (4.5 inches)	88%	low
December Weather	6°C (44°F)	119 mm (4.7 inches)	84%	low