April Weather in Caledon, Canada

Last updated: June 18, 2025

In April, the average temperature in Caledon, Canada hovers around 5°C (42°F). Expect a range in temperatures, with minimums dipping to -7°C (20°F) and maximums soaring up to 25°C (77°F). Prepare for 105 mm (4.1 in) of precipitation spread over 14 days, contributing to an average humidity level of 87%.

April Temperature in Caledon

In April in Caledon, the average temperature is 5°C (42°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -7°C (20°F). This variation in temperature makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates April temperature patterns in Caledon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caledon, April typically has an average temperature of 5°C (42°F), with highs reaching up to 25°C (77°F) and lows dropping to around -7°C (20°F).

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

April Precipitation in Caledon

In Caledon in April, the precipitation amount is 105 mm (4.1 in) over the course of 14 days.

April Precipitation Trends in Caledon

The chart displays monthly precipitation patterns in Caledon, 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 Caledon, April typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Caledon

In Caledon in April humidity is 87%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel less inviting as the air becomes heavy and oppressive.

April Average Humidity in Caledon

This chart illustrates the average monthly humidity levels in Caledon, 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 Caledon is approximately 87%, 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 Caledon

In Caledon 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 Caledon.

Maximum UV Index Levels in Caledon for April

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

Data source: Caledon 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 Caledon Compares to Other Months

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

This table compares monthly weather conditions in Caledon, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (22°F)	66 mm (2.6 inches)	90%	low
February Weather	-5°C (24°F)	70 mm (2.8 inches)	90%	moderate
March Weather	0°C (32°F)	59 mm (2.3 inches)	87%	moderate
April Weather	5°C (42°F)	105 mm (4.1 inches)	87%	very high
May Weather	13°C (55°F)	97 mm (3.8 inches)	82%	very high
June Weather	19°C (66°F)	103 mm (4.0 inches)	81%	very high
July Weather	21°C (71°F)	84 mm (3.3 inches)	79%	very high
August Weather	20°C (69°F)	97 mm (3.8 inches)	80%	very high
September Weather	16°C (62°F)	71 mm (2.8 inches)	81%	high
October Weather	10°C (50°F)	101 mm (4.0 inches)	84%	moderate
November Weather	2°C (36°F)	75 mm (3.0 inches)	88%	moderate
December Weather	-2°C (29°F)	70 mm (2.7 inches)	87%	low