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January Weather in Leitrim, Ireland

Last updated: August 23, 2025

In January, the average temperature in Leitrim, Ireland hovers around 5°C (42°F), with minimums dipping as low as -4°C (24°F) and reaching a maximum of 14°C (57°F). Expect 80 mm (3.1 in) of precipitation spread over 13 days, and be prepared for a notably humid atmosphere with an average humidity of 88%.

January Temperature in Leitrim

In January in Leitrim, the average temperature is 5°C (42°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -4°C (24°F). Travelers should prepare for cool to chilly weather and pack accordingly.

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

The chart illustrates January temperature patterns in Leitrim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Leitrim, 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 -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec414243475257595855504543
Data source: Temperature data for Leitrim 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 Leitrim

In Leitrim in January, the precipitation amount is 80 mm (3.1 in) spread over the course of 13 days.

January Precipitation Trends in Leitrim

The chart displays monthly precipitation patterns in Leitrim, 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 Leitrim, January typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8012610762821069714790113106110
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Leitrim

In Leitrim 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 Leitrim

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

In Leitrim 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 Leitrim.

Maximum UV Index Levels in Leitrim for January

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

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

This table compares monthly weather conditions in Leitrim, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)80 mm (3.1 inches)88%low
February Weather6°C (42°F)126 mm (5.0 inches)88%low
March Weather6°C (44°F)107 mm (4.2 inches)87%moderate
April Weather8°C (47°F)62 mm (2.4 inches)86%moderate
May Weather11°C (53°F)82 mm (3.2 inches)83%high
June Weather14°C (57°F)106 mm (4.2 inches)83%very high
July Weather15°C (60°F)97 mm (3.8 inches)85%very high
August Weather15°C (59°F)147 mm (5.8 inches)85%high
September Weather13°C (55°F)89 mm (3.5 inches)88%moderate
October Weather10°C (50°F)113 mm (4.4 inches)91%moderate
November Weather7°C (45°F)106 mm (4.2 inches)92%low
December Weather6°C (43°F)110 mm (4.3 inches)89%low

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