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January Weather in Fermoy, Ireland

Last updated: August 23, 2025

In January, the average temperature in Fermoy, Ireland hovers around 5°C (42°F). Expect a chilly range, with minimums dipping to -6°C (21°F) and maximums reaching up to 13°C (56°F). Precipitation is not uncommon, totaling 58 mm (2.3 in) over approximately 11 days, while the atmosphere remains notably humid with an average of 88% humidity.

January Temperature in Fermoy

In January in Fermoy, the average temperature is 5°C (42°F). Maximums can reach 13°C (56°F) and minimums can be as low as -6°C (21°F). Be prepared for chilly weather and pack accordingly if you're planning to travel during this time.

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

The chart illustrates January 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, 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 -6°C (21°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.

January Precipitation in Fermoy

In Fermoy in January, the precipitation amount is 58 mm (2.3 in) over the course of 11 days.

January Precipitation Trends in Fermoy

The chart displays monthly precipitation patterns in Fermoy, 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 Fermoy, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec581059171756571100719985108
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Fermoy

In Fermoy 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 Fermoy

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

In Fermoy 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 Fermoy.

Maximum UV Index Levels in Fermoy for January

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

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