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December Weather in Innishannon, Ireland

Last updated: August 23, 2025

In December, the average temperature in Innishannon, Ireland hovers around 8°C (46°F), with minimums dipping to 0°C (31°F) and highs reaching up to 14°C (57°F). Expect a fair amount of precipitation, with approximately 125 mm (4.9 in) falling over 18 days. The air tends to be quite humid, averaging around 83%, so be prepared for a chilly, damp environment!

December Temperature in Innishannon

In December in Innishannon, the average temperature is 8°C (46°F). The maximum can reach 14°C (57°F), and the minimum can be as low as 0°C (31°F). Travelers should be prepared for cool weather and bring layers to stay comfortable during their visit.

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

The chart illustrates December temperature patterns in Innishannon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Innishannon, December typically has an average temperature of 8°C (46°F), with highs reaching up to 14°C (57°F) and lows dropping to around 0°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec454545485257616057524846
Data source: Temperature data for Innishannon 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 Innishannon

In Innishannon in December, the precipitation amount is 125 mm (4.9 in) spread over 18 days.

December Precipitation Trends in Innishannon

The chart displays monthly precipitation patterns in Innishannon, 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 Innishannon, December typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec7212596788066649079119102125
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Innishannon

In Innishannon in December, humidity is 83%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making even short outings feel quite uncomfortable and prompting travelers to bundle up and seek shelter more frequently.

December Average Humidity in Innishannon

This chart illustrates the average monthly humidity levels in Innishannon, 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 Innishannon is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%84%84%84%85%85%84%85%86%84%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Innishannon

In Innishannon 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 Innishannon.

Maximum UV Index Levels in Innishannon for December

The chart shows the monthly maximum UV Index (UVI) for Innishannon 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 Innishannon typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678875421
Data source: Innishannon 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 Innishannon Compares to Other Months

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

This table compares monthly weather conditions in Innishannon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)72 mm (2.8 inches)83%low
February Weather7°C (45°F)125 mm (4.9 inches)85%low
March Weather7°C (45°F)96 mm (3.8 inches)84%moderate
April Weather9°C (48°F)78 mm (3.1 inches)84%high
May Weather11°C (52°F)80 mm (3.2 inches)84%high
June Weather14°C (57°F)66 mm (2.6 inches)85%very high
July Weather16°C (61°F)64 mm (2.5 inches)85%very high
August Weather15°C (60°F)90 mm (3.5 inches)84%high
September Weather14°C (57°F)79 mm (3.1 inches)85%moderate
October Weather11°C (53°F)118 mm (4.7 inches)86%moderate
November Weather9°C (48°F)102 mm (4.0 inches)84%low
December Weather8°C (46°F)125 mm (4.9 inches)83%low

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