January Weather in Killarney, Canada

Last updated: June 18, 2025

In January, the average temperature in Killarney, Canada hovers around -13°C (8°F). While temperatures can plummet to a chilling -37°C (-35°F), they may occasionally rise to a milder 4°C (39°F). Visitors should also brace for 15 mm (0.6 in) of precipitation over approximately 4 days, coupled with a high average humidity of 92%.

January Temperature in Killarney

In January in Killarney, average temperature is -13°C (8°F). Maximum can reach 4°C (39°F), and minimum can be as low as -37°C (-35°F). Travelers should be prepared for extreme cold and fluctuating temperatures during this time.

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

The chart illustrates January temperature patterns in Killarney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Killarney, January typically has an average temperature of -13°C (8°F), with highs reaching up to 4°C (39°F) and lows dropping to around -37°C (-35°F).

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

January Precipitation in Killarney

In Killarney in January, the precipitation amount is 15 mm (0.6 in) occurring over the course of 4 days.

January Precipitation Trends in Killarney

The chart displays monthly precipitation patterns in Killarney, 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 Killarney, January typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 4 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 Killarney

In Killarney in January, humidity is 92%. With an average temperature of -13°C (8°F), this humidity feels like a biting chill that wraps around you, making travel uncomfortable and the cold seem even more penetrating.

January Average Humidity in Killarney

This chart illustrates the average monthly humidity levels in Killarney, 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 Killarney is approximately 92%, 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 Killarney

In Killarney in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Killarney, you can visit Hourly UV Index in Killarney.

Maximum UV Index Levels in Killarney for January

The chart shows the monthly maximum UV Index (UVI) for Killarney 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 Killarney typically reaches 2, which falls under the low exposure category.

Data source: Killarney 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 Killarney Compares to Other Months

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

This table compares monthly weather conditions in Killarney, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (8°F)	15 mm (0.6 inches)	92%	low
February Weather	-15°C (5°F)	15 mm (0.6 inches)	90%	moderate
March Weather	-5°C (23°F)	27 mm (1.1 inches)	88%	moderate
April Weather	2°C (35°F)	26 mm (1.0 inches)	81%	very high
May Weather	11°C (52°F)	40 mm (1.6 inches)	74%	very high
June Weather	18°C (64°F)	87 mm (3.4 inches)	72%	very high
July Weather	20°C (68°F)	63 mm (2.5 inches)	74%	very high
August Weather	18°C (65°F)	70 mm (2.8 inches)	76%	very high
September Weather	13°C (56°F)	74 mm (2.9 inches)	73%	high
October Weather	4°C (40°F)	48 mm (1.9 inches)	76%	moderate
November Weather	-5°C (24°F)	29 mm (1.1 inches)	86%	low
December Weather	-10°C (15°F)	23 mm (0.9 inches)	91%	low