April weather forecastWhitby, Canada

April

Weather in April

April is a frosty spring month in Whitby, Canada, with an average temperature varying between 8.8°C (47.8°F) and 2.2°C (36°F).

Temperature

Whitby in April shows a temperature shift, moving from an average high of a wintry 2.6°C (36.7°F) in March to a chilly 8.8°C (47.8°F). During April, the average low-temperature is an icy 2.2°C (36°F).

Humidity

With an average relative humidity of 76%, April is the least humid month.

Rainfall

In Whitby, during April, the rain falls for 14 days and regularly aggregates up to 71mm (2.8") of precipitation. Throughout the year, there are 158.8 rainfall days, and 693mm (27.28") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. April is the last month it regularly snows. During 3.3 snowfall days, in April, Whitby aggregates 34mm (1.34") of snow. In Whitby, during the entire year, snow falls for 51.4 days and aggregates up to 383mm (15.08") of snow.

Daylight

In Whitby, the average length of the day in April is 13h and 28min.
On the first day of April, sunrise is at 6:55 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:18 pm EDT.

Sunshine

The average sunshine in April is 7.4h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 3 in April translates into this advice:
Exercise prevention - Warding off sunburn is urged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Updated: Jun 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Whitby in April has an average high-temperature of 8.8°C (47.8°F) and an average low-temperature of 2.2°C (36°F).

The least humid month in Whitby is April, with an average relative humidity of 76%.

The average relative humidity in April is 76%.

In Whitby, in April, during 14 rainfall days, 71mm (2.8") of precipitation is typically accumulated.

April is the last month it regularly snows. During 3.3 snowfall days, in April, Whitby aggregates 34mm (1.34") of snow.

The average day length in April is 13h and 28min.

In April, on the first day of the month, sunrise is at 6:55 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:18 pm EDT.

In April, the average sunshine duration in Whitby is 7.4h.

In Whitby, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

2.6°C

8.8°C

15.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

18.4km/h

18.5km/h

14.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.8

12.4

12.6

Average UV index

Average cloud cover

Average visibility

Average temperature in April
Whitby, Canada

Average high temperature in April: 8.8°C

The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (-2.9°C).

Average low temperature in April: 2.2°C

The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).

Average pressure in April
Whitby, Canada

Average pressure in April: 1014.6mbar

The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

Average wind speed in April
Whitby, Canada

Average wind speed in April: 17.1km/h

The windiest month (with the highest average wind speed) is January (18.7km/h).
The calmest month (with the lowest average wind speed) is July (11.4km/h).

Average humidity in April
Whitby, Canada

Average humidity in April: 76%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).

Average rainfall in April
Whitby, Canada

Average rainfall in April: 71mm

The wettest month (with the highest rainfall) is August (73mm).
The driest months (with the least rainfall) are February and November (43mm).

Average rainfall days in April
Whitby, Canada

Average rainfall days in April: 14 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in April
Whitby, Canada

Average snowfall in April: 34mm

The month with the highest snowfall is February (110mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in April
Whitby, Canada

Average snowfall days in April: 3.3 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Whitby, Canada

Average daylight in April: 13h and 30min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

Average sunshine in April: 7h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).