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January Weather in Nenagh, Ireland

Last updated: August 23, 2025

In January, the average temperature in Nenagh, Ireland hovers around 5°C (42°F). Expect chilly days with a minimum of -5°C (23°F), while the maximum can reach up to 14°C (57°F). Pack your rain gear, as you'll encounter 67 mm (2.7 in) of precipitation over approximately 12 days. Don't forget, the air is quite humid, with an average humidity level of 88%. Stay warm and prepared for both rain and chilly breezes!

January Temperature in Nenagh

In January in Nenagh, the average temperature is 5°C (42°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -5°C (23°F). Be prepared for a chilly climate, and pack layers to stay comfortable during your travels.

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

The chart illustrates January 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, January typically has an average temperature of 5°C (42°F), with highs reaching up to 14°C (57°F) and lows dropping to around -5°C (23°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.

January Precipitation in Nenagh

In Nenagh in January, the precipitation amount is 67 mm (2.7 in) over the course of 12 days.

January Precipitation Trends in Nenagh

The chart displays monthly precipitation patterns in Nenagh, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Nenagh, January typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec67114101587071771127910193116
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Nenagh

In Nenagh in January humidity is 88%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less appealing and leading you to seek warmth indoors instead.

January Average Humidity in Nenagh

This chart illustrates the average monthly humidity levels in Nenagh, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Nenagh is approximately 88%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Nenagh

In Nenagh in January, 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 January

The chart shows the monthly maximum UV Index (UVI) for Nenagh in January, 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 January, the maximum UV index in Nenagh typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Nenagh January 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 January 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 January’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 January’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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