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December Weather in Roscrea, Ireland

Last updated: August 23, 2025

In Roscrea, Ireland, the average temperature in December hovers around 6°C (44°F), with lows plummeting to -9°C (16°F) and highs reaching up to 14°C (57°F). Expect a wet month with 104 mm (4.1 in) of precipitation spread over 16 days, and a high average humidity of 89% that adds to the chill in the air.

December Temperature in Roscrea

In December in Roscrea, the average temperature is 6°C (44°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -9°C (16°F). Be prepared for chilly weather and pack accordingly if you're planning to visit.

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

The chart illustrates December temperature patterns in Roscrea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roscrea, December typically has an average temperature of 6°C (44°F), with highs reaching up to 14°C (57°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec424344475257605955504543
Data source: Temperature data for Roscrea 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 Roscrea

In Roscrea in December, the total precipitation amount is 104 mm (4.1 in), distributed over 16 days.

December Precipitation Trends in Roscrea

The chart displays monthly precipitation patterns in Roscrea, 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 Roscrea, December typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec61999257727580103769089104
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Roscrea

In Roscrea in December, humidity is 89%. With an average temperature of 6°C (44°F), this humidity feels like an uncomfortable chill that clings to your skin, making it difficult to enjoy outdoor activities and ideal for layered clothing.

December Average Humidity in Roscrea

This chart illustrates the average monthly humidity levels in Roscrea, 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 Roscrea 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 Roscrea

In Roscrea 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 Roscrea.

Maximum UV Index Levels in Roscrea for December

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

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

This table compares monthly weather conditions in Roscrea, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)61 mm (2.4 inches)88%low
February Weather6°C (43°F)99 mm (3.9 inches)88%low
March Weather6°C (44°F)92 mm (3.6 inches)87%moderate
April Weather9°C (48°F)57 mm (2.2 inches)86%moderate
May Weather11°C (53°F)72 mm (2.8 inches)83%high
June Weather14°C (58°F)75 mm (2.9 inches)83%very high
July Weather16°C (61°F)80 mm (3.1 inches)85%very high
August Weather15°C (59°F)103 mm (4.1 inches)85%high
September Weather13°C (56°F)75 mm (3.0 inches)88%moderate
October Weather10°C (51°F)90 mm (3.5 inches)91%moderate
November Weather7°C (46°F)89 mm (3.5 inches)92%low
December Weather6°C (44°F)104 mm (4.1 inches)89%low

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