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December Weather in Fermoy, Ireland

Last updated: August 23, 2025

In December, the average temperature in Fermoy, Ireland hovers around 6°C (44°F). Expect chilly nights with a minimum dipping to -4°C (26°F), while daytime highs can reach a maximum of 14°C (57°F). Prepare for some wet weather, as there's an average precipitation of 108 mm (4.3 in) over approximately 16 days. With an average humidity of 89%, it's a month to bundle up and enjoy the cozy vibes!

December Temperature in Fermoy

In December in Fermoy, 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 (26°F). This range suggests that travelers should pack warm layers for their visit.

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

The chart illustrates December temperature patterns in Fermoy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fermoy, 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 (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec424343475257605955504544
Data source: Temperature data for Fermoy 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 Fermoy

In Fermoy in December, the total precipitation amount is 108 mm (4.3 in), which falls over the course of 16 days.

December Precipitation Trends in Fermoy

The chart displays monthly precipitation patterns in Fermoy, 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 Fermoy, December typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec581059171756571100719985108
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fermoy

In Fermoy 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 Fermoy

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

In Fermoy 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 Fermoy.

Maximum UV Index Levels in Fermoy for December

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

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

This table compares monthly weather conditions in Fermoy, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)58 mm (2.3 inches)88%low
February Weather6°C (43°F)105 mm (4.1 inches)88%low
March Weather6°C (44°F)91 mm (3.6 inches)87%moderate
April Weather8°C (47°F)70 mm (2.8 inches)86%moderate
May Weather11°C (52°F)75 mm (2.9 inches)83%high
June Weather14°C (57°F)65 mm (2.6 inches)83%very high
July Weather16°C (60°F)71 mm (2.8 inches)85%very high
August Weather15°C (59°F)99 mm (3.9 inches)85%high
September Weather13°C (56°F)71 mm (2.8 inches)88%moderate
October Weather10°C (51°F)99 mm (3.9 inches)91%moderate
November Weather7°C (46°F)85 mm (3.3 inches)92%low
December Weather6°C (44°F)108 mm (4.3 inches)89%low

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