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January Weather in Rathfriland, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Rathfriland, United Kingdom hovers around 5°C (42°F). Expect a chilly range, with lows of -5°C (23°F) and occasional highs reaching 14°C (57°F). Throughout the month, 54 mm (2.1 in) of precipitation typically falls over 10 days, contributing to an average humidity of 87%.

January Temperature in Rathfriland

In January in Rathfriland, the average temperature is 5°C (42°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -5°C (23°F). Be prepared for a chilly climate, and pack layers to stay comfortable during your travels.

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

The chart illustrates January temperature patterns in Rathfriland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rathfriland, January typically has an average temperature of 5°C (42°F), with highs reaching up to 14°C (57°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec424344475257605956514643
Data source: Temperature data for Rathfriland 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 Rathfriland

In Rathfriland in January, the total precipitation amount is 54 mm (2.1 in) over the course of 10 days.

January Precipitation Trends in Rathfriland

The chart displays monthly precipitation patterns in Rathfriland, 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 Rathfriland, January typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5482774465747411370808385
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Rathfriland

In Rathfriland in January humidity is 87%. 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 enjoyable and travel less inviting as the air becomes heavy and oppressive.

January Average Humidity in Rathfriland

This chart illustrates the average monthly humidity levels in Rathfriland, 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 Rathfriland is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Rathfriland

In Rathfriland 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 Rathfriland.

Maximum UV Index Levels in Rathfriland for January

The chart shows the monthly maximum UV Index (UVI) for Rathfriland 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 Rathfriland typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Rathfriland 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 Rathfriland Compares to Other Months

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

This table compares monthly weather conditions in Rathfriland, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)54 mm (2.1 inches)87%low
February Weather6°C (43°F)82 mm (3.2 inches)86%low
March Weather7°C (44°F)77 mm (3.0 inches)86%moderate
April Weather8°C (47°F)44 mm (1.7 inches)85%moderate
May Weather11°C (53°F)65 mm (2.6 inches)82%high
June Weather14°C (58°F)74 mm (2.9 inches)84%very high
July Weather16°C (61°F)73 mm (2.9 inches)86%very high
August Weather15°C (60°F)113 mm (4.4 inches)86%high
September Weather13°C (56°F)70 mm (2.8 inches)88%moderate
October Weather10°C (51°F)80 mm (3.2 inches)89%moderate
November Weather8°C (46°F)82 mm (3.2 inches)90%low
December Weather6°C (43°F)85 mm (3.4 inches)86%low

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