January Weather in Birr, Ireland

Last updated: August 23, 2025

In January, the average temperature in Birr, Ireland hovers around 6°C (42°F). Expect chilly conditions, with minimum temperatures plummeting to -6°C (21°F) and reaching a pleasant maximum of 14°C (57°F). The month brings 62 mm (2.4 in) of precipitation spread over 12 days, resulting in a high average humidity of 88%. Make sure to dress warmly and be prepared for wet weather during your visit!

January Temperature in Birr

In January in Birr, the average temperature is 6°C (42°F). The maximum can reach 14°C (57°F) and the minimum can be as low as -6°C (21°F). Travelers should be prepared for chilly conditions and pack accordingly for varying temperatures.

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

The chart illustrates January temperature patterns in Birr, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Birr, January typically has an average temperature of 6°C (42°F), with highs reaching up to 14°C (57°F) and lows dropping to around -6°C (21°F).

Data source: Temperature data for Birr generated using information from the Copernicus Climate Change Service.

January Precipitation in Birr

In Birr in January, the precipitation amount is 62 mm (2.4 in) spread over 12 days.

January Precipitation Trends in Birr

The chart displays monthly precipitation patterns in Birr, 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 Birr, January typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Birr

In Birr in January, humidity is 88%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as the cold air clings to your skin and saps your energy.

January Average Humidity in Birr

This chart illustrates the average monthly humidity levels in Birr, 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 Birr is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Birr

In Birr 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 Birr.

Maximum UV Index Levels in Birr for January

The chart shows the monthly maximum UV Index (UVI) for Birr 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 Birr typically reaches 1, which falls under the low exposure category.

Data source: Birr 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 Birr Compares to Other Months

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

This table compares monthly weather conditions in Birr, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	62 mm (2.4 inches)	88%	low
February Weather	6°C (43°F)	103 mm (4.0 inches)	88%	low
March Weather	7°C (44°F)	94 mm (3.7 inches)	87%	moderate
April Weather	9°C (48°F)	54 mm (2.1 inches)	86%	moderate
May Weather	11°C (53°F)	66 mm (2.6 inches)	83%	high
June Weather	14°C (58°F)	69 mm (2.7 inches)	83%	very high
July Weather	16°C (61°F)	74 mm (2.9 inches)	85%	very high
August Weather	15°C (59°F)	103 mm (4.0 inches)	85%	high
September Weather	13°C (56°F)	75 mm (3.0 inches)	88%	moderate
October Weather	10°C (51°F)	90 mm (3.5 inches)	91%	moderate
November Weather	8°C (46°F)	88 mm (3.5 inches)	92%	low
December Weather	6°C (44°F)	104 mm (4.1 inches)	89%	low