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January Weather in Julianstown, Ireland

Last updated: August 23, 2025

In January, the average temperature in Julianstown, Ireland hovers around 6°C (43°F), with a minimum dipping to -3°C (27°F) and a maximum reaching up to 14°C (58°F). Expect approximately 52 mm (2.0 in) of precipitation spread over 9 days, contributing to an average humidity of 85%, creating a cool and damp atmosphere that defines this intriguing time of year.

January Temperature in Julianstown

In January in Julianstown, the average temperature is 6°C (43°F). The maximum can reach 14°C (58°F), while the minimum can drop as low as -3°C (27°F). It's advisable to pack both warm clothing and lighter layers to accommodate the fluctuating temperatures during your travels.

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

The chart illustrates January temperature patterns in Julianstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Julianstown, January typically has an average temperature of 6°C (43°F), with highs reaching up to 14°C (58°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec434445485359626057524744
Data source: Temperature data for Julianstown 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 Julianstown

In Julianstown in January, the precipitation amount is 52 mm (2.0 in) over a span of 9 days.

January Precipitation Trends in Julianstown

The chart displays monthly precipitation patterns in Julianstown, 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 Julianstown, January typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5276764258697310171808988
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Julianstown

In Julianstown in January, humidity is 85%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel feel more uncomfortable and limiting your enjoyment of the sights as you navigate the wet, brisk air.

January Average Humidity in Julianstown

This chart illustrates the average monthly humidity levels in Julianstown, 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 Julianstown is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Julianstown

In Julianstown 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 Julianstown.

Maximum UV Index Levels in Julianstown for January

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

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

This table compares monthly weather conditions in Julianstown, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)52 mm (2.0 inches)85%low
February Weather7°C (44°F)76 mm (3.0 inches)86%low
March Weather7°C (45°F)76 mm (3.0 inches)86%moderate
April Weather9°C (48°F)42 mm (1.6 inches)85%moderate
May Weather12°C (54°F)58 mm (2.3 inches)83%high
June Weather15°C (59°F)69 mm (2.7 inches)85%very high
July Weather16°C (62°F)73 mm (2.9 inches)86%very high
August Weather16°C (61°F)101 mm (4.0 inches)85%high
September Weather14°C (57°F)71 mm (2.8 inches)86%moderate
October Weather11°C (52°F)80 mm (3.2 inches)87%moderate
November Weather9°C (48°F)89 mm (3.5 inches)86%low
December Weather7°C (45°F)88 mm (3.5 inches)84%low

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