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December Weather in Carnew, Ireland

Last updated: August 23, 2025

In December, the average temperature in Carnew, Ireland hovers around 6°C (43°F). Expect cooler days with a minimum of -4°C (25°F) and a pleasant maximum of 13°C (56°F). Prepare for the frequent drizzle, as 103 mm (4.0 in) of precipitation typically falls over 14 days, accompanied by a high average humidity of 84%.

December Temperature in Carnew

In December in Carnew, the average temperature is 6°C (43°F). Maximums can reach 13°C (56°F), while minimums can drop as low as -4°C (25°F). Be prepared for chilly weather and pack accordingly if you're planning to travel during this time.

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

The chart illustrates December 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, December typically has an average temperature of 6°C (43°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.

December Precipitation in Carnew

In Carnew in December, the precipitation amount is 103 mm (4.0 in) over a span of 14 days.

December Precipitation Trends in Carnew

The chart displays monthly precipitation patterns in Carnew, 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 Carnew, December typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec518980607470701007289100103
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Carnew

In Carnew in December, humidity is 84%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.

December Average Humidity in Carnew

This chart illustrates the average monthly humidity levels in Carnew, 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 Carnew is approximately 84%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Carnew

In Carnew 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 Carnew.

Maximum UV Index Levels in Carnew for December

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

Weather in Carnew varies notably across the year, with each month offering distinct climate conditions. This page compares December’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 December’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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