April Weather in Aylmer, Canada

Last updated: June 18, 2025

In April, the average temperature in Aylmer, Canada hovers around 6°C (43°F), with a minimum that can dip to -7°C (20°F) and a maximum reaching up to 20°C (68°F). Expect 109 mm (4.3 in) of precipitation spread over approximately 14 days, contributing to an average humidity level of 87%. Stay prepared for a wet and chilly month!

April Temperature in Aylmer

In April in Aylmer, the average temperature is 6°C (43°F). The maximum can reach 20°C (68°F), while the minimum can drop as low as -7°C (20°F). This range of temperatures ensures that visitors should pack layers to stay comfortable during their travels.

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

The chart illustrates April temperature patterns in Aylmer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aylmer, April typically has an average temperature of 6°C (43°F), with highs reaching up to 20°C (68°F) and lows dropping to around -7°C (20°F).

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

April Precipitation in Aylmer

In Aylmer in April, the precipitation amount is 109 mm (4.3 in) over the course of 14 days.

April Precipitation Trends in Aylmer

The chart displays monthly precipitation patterns in Aylmer, 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 Aylmer, April typically receives around 109 mm (4.3 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 Aylmer

In Aylmer in April, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.

April Average Humidity in Aylmer

This chart illustrates the average monthly humidity levels in Aylmer, 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 Aylmer 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 Aylmer

In Aylmer 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 Aylmer.

Maximum UV Index Levels in Aylmer for April

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

Data source: Aylmer 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 Aylmer Compares to Other Months

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

This table compares monthly weather conditions in Aylmer, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	77 mm (3.0 inches)	90%	moderate
February Weather	-3°C (27°F)	81 mm (3.2 inches)	90%	moderate
March Weather	1°C (34°F)	83 mm (3.3 inches)	87%	moderate
April Weather	6°C (43°F)	109 mm (4.3 inches)	87%	very high
May Weather	13°C (55°F)	101 mm (4.0 inches)	82%	very high
June Weather	19°C (66°F)	91 mm (3.6 inches)	81%	very high
July Weather	22°C (72°F)	91 mm (3.6 inches)	79%	very high
August Weather	22°C (71°F)	90 mm (3.6 inches)	80%	very high
September Weather	18°C (65°F)	79 mm (3.1 inches)	81%	very high
October Weather	12°C (55°F)	121 mm (4.8 inches)	84%	high
November Weather	5°C (41°F)	94 mm (3.7 inches)	88%	moderate
December Weather	1°C (33°F)	82 mm (3.2 inches)	87%	low