April Weather in Killarney, Canada

Last updated: June 18, 2025

In Killarney, Canada, the average temperature in April hovers around 2°C (35°F), though it can range from a brisk -20°C (-3°F) to a surprising 24°C (75°F). Visitors should be prepared for moderate precipitation, with around 26 mm (1.0 in) expected over approximately 6 days. Additionally, the average humidity stands at a high 81%, making the air feel a bit more chilly.

April Temperature in Killarney

In April in Killarney, the average temperature is 2°C (35°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -20°C (-3°F). This makes it an ideal time for travelers who enjoy a mix of mild days and crisp, cool nights.

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

The chart illustrates April 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, April typically has an average temperature of 2°C (35°F), with highs reaching up to 24°C (75°F) and lows dropping to around -20°C (-3°F).

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

April Precipitation in Killarney

In Killarney in April, the precipitation amount is 26 mm (1.0 in) over the course of 6 days.

April Precipitation Trends in Killarney

The chart displays monthly precipitation patterns in Killarney, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Killarney, April typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Killarney

In Killarney in April humidity is 81%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill wrapping around you, making outdoor exploration quite uncomfortable and prompting you to seek warmth indoors rather than traveling extensively outside.

April Average Humidity in Killarney

This chart illustrates the average monthly humidity levels in Killarney, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Killarney is approximately 81%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Killarney

In Killarney in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Killarney.

Maximum UV Index Levels in Killarney for April

The chart shows the monthly maximum UV Index (UVI) for Killarney in April, 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 April, the maximum UV index in Killarney typically reaches 8, which falls under the very high exposure category.

Data source: Killarney April 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 April 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 April’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 April’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