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December Weather in Claregalway, Ireland

Last updated: August 23, 2025

In December, the average temperature in Claregalway, Ireland hovers around 7°C (45°F). Expect some chilly days, with minimums plunging to -4°C (24°F) and maximums reaching up to 14°C (57°F). Be prepared for wet weather, as the area receives about 110 mm (4.3 in) of precipitation over 17 days, along with an average humidity level of 89%.

December Temperature in Claregalway

In December in Claregalway, the average temperature is 7°C (45°F), with maximums reaching 14°C (57°F) and minimums plunging to as low as -4°C (24°F). Travelers should prepare for a chilly climate, so packing warm layers is essential for enjoying the local sights.

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

The chart illustrates December temperature patterns in Claregalway, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Claregalway, December typically has an average temperature of 7°C (45°F), with highs reaching up to 14°C (57°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec434445485357605956514645
Data source: Temperature data for Claregalway generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Claregalway

In Claregalway in December, the precipitation amount is 110 mm (4.3 in) spread over 17 days.

December Precipitation Trends in Claregalway

The chart displays monthly precipitation patterns in Claregalway, 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 Claregalway, December typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec77127104637183851238211394110
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Claregalway

In Claregalway in December, humidity is 89%. With an average temperature of 7°C (45°F), this humidity feels like stepping into a damp cloud, making traveling quite uncomfortable as the moisture clings to your skin and clothes, turning even mild activity into a sweaty ordeal.

December Average Humidity in Claregalway

This chart illustrates the average monthly humidity levels in Claregalway, 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 Claregalway is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%86%83%83%85%85%88%91%92%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Claregalway

In Claregalway 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 Claregalway.

Maximum UV Index Levels in Claregalway for December

The chart shows the monthly maximum UV Index (UVI) for Claregalway 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 Claregalway typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Claregalway 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 Claregalway Compares to Other Months

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

This table compares monthly weather conditions in Claregalway, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)77 mm (3.0 inches)88%low
February Weather6°C (44°F)127 mm (5.0 inches)88%low
March Weather7°C (45°F)104 mm (4.1 inches)87%moderate
April Weather9°C (49°F)63 mm (2.5 inches)86%moderate
May Weather12°C (53°F)70 mm (2.8 inches)83%high
June Weather14°C (57°F)83 mm (3.3 inches)83%very high
July Weather16°C (60°F)85 mm (3.4 inches)85%very high
August Weather15°C (59°F)122 mm (4.8 inches)85%high
September Weather13°C (56°F)82 mm (3.2 inches)88%moderate
October Weather11°C (51°F)113 mm (4.4 inches)91%moderate
November Weather8°C (47°F)94 mm (3.7 inches)92%low
December Weather7°C (45°F)110 mm (4.3 inches)89%low

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