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January Weather in Carnew, Ireland

Last updated: August 23, 2025

In January, the average temperature in Carnew, Ireland hovers around 5°C (42°F), with lows dipping to -4°C (25°F) and highs reaching up to 13°C (56°F). Expect some wet days, as the area experiences approximately 51 mm (2.0 in) of precipitation over 10 days, coupled with a high average humidity of 85%.

January Temperature in Carnew

In January in Carnew, the average temperature is 5°C (42°F), with maximums reaching up to 13°C (56°F) and minimums dropping as low as -4°C (25°F). It's advisable to pack warm clothing and be prepared for chilly conditions while exploring.

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

The chart illustrates January temperature patterns in Carnew, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carnew, January typically has an average temperature of 5°C (42°F), with highs reaching up to 13°C (56°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec414344475257615956514643
Data source: Temperature data for Carnew 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 Carnew

In Carnew in January, the total precipitation amount is 51 mm (2.0 in) spread over a period of 10 days.

January Precipitation Trends in Carnew

The chart displays monthly precipitation patterns in Carnew, 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 Carnew, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec518980607470701007289100103
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Carnew

In Carnew in January, humidity is 85%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and requiring extra layers to stay warm while exploring.

January Average Humidity in Carnew

This chart illustrates the average monthly humidity levels in Carnew, 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 Carnew is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Carnew

In Carnew 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 Carnew.

Maximum UV Index Levels in Carnew for January

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

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

This table compares monthly weather conditions in Carnew, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)51 mm (2.0 inches)85%low
February Weather6°C (43°F)89 mm (3.5 inches)86%low
March Weather7°C (44°F)80 mm (3.1 inches)86%moderate
April Weather8°C (47°F)60 mm (2.4 inches)85%moderate
May Weather11°C (52°F)74 mm (2.9 inches)83%high
June Weather14°C (58°F)70 mm (2.7 inches)85%very high
July Weather16°C (61°F)70 mm (2.8 inches)86%very high
August Weather15°C (60°F)100 mm (3.9 inches)85%high
September Weather13°C (56°F)72 mm (2.8 inches)86%moderate
October Weather10°C (51°F)88 mm (3.5 inches)87%moderate
November Weather8°C (46°F)100 mm (3.9 inches)86%low
December Weather6°C (43°F)103 mm (4.0 inches)84%low

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