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December Weather in Monaghan, Ireland

Last updated: August 23, 2025

In December, the average temperature in Monaghan, Ireland hovers around 6°C (43°F). Expect a chill, with minimums dipping to -3°C (26°F) and maximums reaching up to 13°C (56°F). This month also sees 93 mm (3.7 in) of precipitation spread over 14 days, accompanied by a high humidity level of 86%.

December Temperature in Monaghan

In December in Monaghan, the average temperature is 6°C (43°F). Maximum temperatures can reach 13°C (56°F), while minimums can drop as low as -3°C (26°F). It's advisable to pack layers to stay comfortable while exploring.

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

The chart illustrates December temperature patterns in Monaghan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monaghan, December typically has an average temperature of 6°C (43°F), with highs reaching up to 13°C (56°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec414243475257605955504543
Data source: Temperature data for Monaghan 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 Monaghan

In Monaghan, in December, the precipitation amount is 93 mm (3.7 in) over the course of 14 days.

December Precipitation Trends in Monaghan

The chart displays monthly precipitation patterns in Monaghan, 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 Monaghan, December typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6497875170888212674878793
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Monaghan

In Monaghan in December humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

December Average Humidity in Monaghan

This chart illustrates the average monthly humidity levels in Monaghan, 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 Monaghan is approximately 86%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Monaghan

In Monaghan 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 Monaghan.

Maximum UV Index Levels in Monaghan for December

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

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

This table compares monthly weather conditions in Monaghan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)64 mm (2.5 inches)87%low
February Weather6°C (42°F)97 mm (3.8 inches)86%low
March Weather6°C (44°F)87 mm (3.4 inches)86%moderate
April Weather8°C (47°F)51 mm (2.0 inches)85%moderate
May Weather11°C (52°F)70 mm (2.8 inches)82%high
June Weather14°C (57°F)88 mm (3.5 inches)84%very high
July Weather15°C (60°F)82 mm (3.2 inches)86%very high
August Weather15°C (59°F)126 mm (5.0 inches)86%high
September Weather13°C (55°F)74 mm (2.9 inches)88%moderate
October Weather10°C (50°F)87 mm (3.4 inches)89%moderate
November Weather7°C (45°F)86 mm (3.4 inches)90%low
December Weather6°C (43°F)93 mm (3.7 inches)86%low

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