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January Weather in Watergrasshill, Ireland

Last updated: August 23, 2025

In January, the average temperature in Watergrasshill, Ireland hovers around 6°C (44°F). You can expect temperatures to dip as low as -4°C (25°F), with a maximum reaching 13°C (56°F). Be prepared for some rain, as 54 mm (2.1 in) of precipitation is likely over 10 days, contributing to an average humidity of 83%.

January Temperature in Watergrasshill

In January in Watergrasshill, the average temperature is 6°C (44°F). The maximum can reach 13°C (56°F), and the minimum can be as low as -4°C (25°F). It's a good time to dress in layers and be prepared for chilly weather during your travels.

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

The chart illustrates January temperature patterns in Watergrasshill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Watergrasshill, January typically has an average temperature of 6°C (44°F), with highs reaching up to 13°C (56°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec434445485257616057524745
Data source: Temperature data for Watergrasshill 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 Watergrasshill

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

January Precipitation Trends in Watergrasshill

The chart displays monthly precipitation patterns in Watergrasshill, 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 Watergrasshill, January typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec54103837371596390669584103
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Watergrasshill

In Watergrasshill in January, humidity is 83%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and potentially leading to a sense of heaviness in the air.

January Average Humidity in Watergrasshill

This chart illustrates the average monthly humidity levels in Watergrasshill, 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 Watergrasshill is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%84%84%84%85%85%84%85%86%84%83%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Watergrasshill

In Watergrasshill 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 Watergrasshill.

Maximum UV Index Levels in Watergrasshill for January

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

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

This table compares monthly weather conditions in Watergrasshill, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)54 mm (2.1 inches)83%low
February Weather7°C (44°F)103 mm (4.1 inches)85%low
March Weather7°C (45°F)83 mm (3.3 inches)84%moderate
April Weather9°C (48°F)73 mm (2.9 inches)84%moderate
May Weather11°C (53°F)71 mm (2.8 inches)84%high
June Weather14°C (57°F)59 mm (2.3 inches)85%very high
July Weather16°C (61°F)63 mm (2.5 inches)85%very high
August Weather15°C (60°F)90 mm (3.5 inches)84%high
September Weather14°C (57°F)66 mm (2.6 inches)85%moderate
October Weather11°C (52°F)95 mm (3.8 inches)86%moderate
November Weather8°C (47°F)84 mm (3.3 inches)84%low
December Weather7°C (45°F)103 mm (4.1 inches)83%low

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