April Weather in Wellesley, Canada

Last updated: June 18, 2025

In April, the average temperature in Wellesley, Canada hovers around 5°C (42°F). Be prepared for a wide range of temperatures, with minimums dropping as low as -8°C (18°F) and maximums reaching up to 25°C (77°F). Expect 101 mm (4.0 in) of precipitation spread over 14 days, coupled with a high average humidity of 87%.

April Temperature in Wellesley

In April in Wellesley, the average temperature is 5°C (42°F). The maximum can reach 25°C (77°F), and the minimum can be as low as -8°C (18°F). Be prepared for a wide range of temperatures and pack accordingly for your travel to Wellesley.

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

The chart illustrates April temperature patterns in Wellesley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wellesley, 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 -8°C (18°F).

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

April Precipitation in Wellesley

In Wellesley in April, the precipitation amount is 101 mm (4.0 in) over the course of 14 days.

April Precipitation Trends in Wellesley

The chart displays monthly precipitation patterns in Wellesley, 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 Wellesley, April typically receives around 101 mm (4.0 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 Wellesley

In Wellesley 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 Wellesley

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

In Wellesley 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 Wellesley.

Maximum UV Index Levels in Wellesley for April

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

Data source: Wellesley 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 Wellesley Compares to Other Months

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

This table compares monthly weather conditions in Wellesley, 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)	77 mm (3.0 inches)	90%	low
February Weather	-5°C (23°F)	81 mm (3.2 inches)	90%	moderate
March Weather	0°C (31°F)	70 mm (2.8 inches)	87%	moderate
April Weather	5°C (42°F)	101 mm (4.0 inches)	87%	very high
May Weather	13°C (55°F)	98 mm (3.9 inches)	82%	very high
June Weather	18°C (65°F)	108 mm (4.2 inches)	81%	very high
July Weather	21°C (70°F)	79 mm (3.1 inches)	79%	very high
August Weather	20°C (68°F)	102 mm (4.0 inches)	80%	very high
September Weather	16°C (61°F)	83 mm (3.3 inches)	81%	high
October Weather	10°C (50°F)	111 mm (4.4 inches)	84%	moderate
November Weather	2°C (36°F)	89 mm (3.5 inches)	88%	moderate
December Weather	-2°C (29°F)	77 mm (3.0 inches)	87%	low