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December Weather in Nenagh, Ireland

Last updated: August 23, 2025

In Nenagh, Ireland, the weather in December can be quite chilly, with average temperatures around 6°C (44°F). Be prepared for a temperature range that can dip as low as -4°C (24°F) and rise to a maximum of 14°C (57°F). With an average humidity of 89%, the air can feel damp and crisp. Expect to encounter approximately 116 mm (4.6 in) of precipitation spread over 17 days, making it a month where an umbrella might come in handy!

December Temperature in Nenagh

In December in Nenagh, the average temperature is 6°C (44°F). The maximum can reach 14°C (57°F), while the minimum can drop as low as -4°C (24°F). Travelers should be prepared for chilly weather and pack layers to stay comfortable during their visit.

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

The chart illustrates December temperature patterns in Nenagh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nenagh, 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 -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec424344475257605955504543
Data source: Temperature data for Nenagh 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 Nenagh

In Nenagh in December, the precipitation amount is 116 mm (4.6 in) spread over 17 days.

December Precipitation Trends in Nenagh

The chart displays monthly precipitation patterns in Nenagh, 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 Nenagh, December typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec67114101587071771127910193116
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nenagh

In Nenagh 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 Nenagh

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

In Nenagh 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 Nenagh.

Maximum UV Index Levels in Nenagh for December

The chart shows the monthly maximum UV Index (UVI) for Nenagh 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 Nenagh typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Nenagh 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 Nenagh Compares to Other Months

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

This table compares monthly weather conditions in Nenagh, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)67 mm (2.7 inches)88%low
February Weather6°C (43°F)114 mm (4.5 inches)88%low
March Weather6°C (44°F)101 mm (4.0 inches)87%moderate
April Weather9°C (48°F)58 mm (2.3 inches)86%moderate
May Weather11°C (52°F)70 mm (2.7 inches)83%high
June Weather14°C (57°F)71 mm (2.8 inches)83%very high
July Weather16°C (60°F)77 mm (3.0 inches)85%very high
August Weather15°C (59°F)111 mm (4.4 inches)85%high
September Weather13°C (56°F)79 mm (3.1 inches)88%moderate
October Weather10°C (51°F)101 mm (4.0 inches)91%moderate
November Weather7°C (46°F)93 mm (3.6 inches)92%low
December Weather6°C (44°F)116 mm (4.6 inches)89%low

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