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January Weather in Johnstown Bridge, Ireland

Last updated: August 23, 2025

In January, the average temperature in Johnstown Bridge, Ireland hovers around 6°C (42°F). Expect a chilly minimum of -6°C (21°F) and a mild maximum of 14°C (58°F). With an average precipitation of 51 mm (2.0 in) over 9 days, you'll want to keep that umbrella handy. Don't forget, the average humidity is a cozy 85%, making it feel even cooler!

January Temperature in Johnstown Bridge

In January in Johnstown Bridge, the average temperature is 6°C (42°F). The maximum can reach 14°C (58°F), and the minimum can be as low as -6°C (21°F). It's advisable to pack layers and prepare for varying weather conditions when traveling during this time.

January Weather in Johnstown Bridge: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Johnstown Bridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnstown Bridge, January typically has an average temperature of 6°C (42°F), with highs reaching up to 14°C (58°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec424345485358616056514643
Data source: Temperature data for Johnstown Bridge 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 Johnstown Bridge

In Johnstown Bridge in January, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

January Precipitation Trends in Johnstown Bridge

The chart displays monthly precipitation patterns in Johnstown Bridge, 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 Johnstown Bridge, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec517877456572689466748085
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Johnstown Bridge

In Johnstown Bridge in January, humidity is 85%. With an average temperature of 6°C (42°F), this humidity feels like walking through a thick mist, making even short strolls feel damp and chilly, which can be uncomfortable for traveling.

January Average Humidity in Johnstown Bridge

This chart illustrates the average monthly humidity levels in Johnstown Bridge, 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 Johnstown Bridge 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 Johnstown Bridge

In Johnstown Bridge 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 Johnstown Bridge.

Maximum UV Index Levels in Johnstown Bridge for January

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

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

This table compares monthly weather conditions in Johnstown Bridge, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)51 mm (2.0 inches)85%low
February Weather6°C (43°F)78 mm (3.1 inches)86%low
March Weather7°C (45°F)77 mm (3.0 inches)86%moderate
April Weather9°C (48°F)45 mm (1.8 inches)85%moderate
May Weather12°C (53°F)65 mm (2.6 inches)83%high
June Weather15°C (58°F)72 mm (2.8 inches)85%very high
July Weather16°C (61°F)68 mm (2.7 inches)86%very high
August Weather15°C (60°F)94 mm (3.7 inches)85%high
September Weather14°C (57°F)66 mm (2.6 inches)86%moderate
October Weather11°C (51°F)74 mm (2.9 inches)87%moderate
November Weather8°C (46°F)80 mm (3.2 inches)86%low
December Weather6°C (44°F)85 mm (3.3 inches)84%low

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