April weather forecast and climate
Windsor, Canada

Weather in April

April in Windsor, Canada, is a cool spring month, with average temperature varying between 3.8°C (38.8°F) and 11.7°C (53.1°F).

Temperature

In Windsor, Canada, the average high-temperature increases, from a wintry 5.4°C (41.7°F) in March, to a fresh 11.7°C (53.1°F). In Windsor, Canada, in April, the average low-temperature is 3.8°C (38.8°F).

Humidity

In April, the average relative humidity is 74%.

Rainfall

In Windsor, in April, it is raining for 16.2 days, with typically 67mm (2.64") of accumulated precipitation. In Windsor, Canada, during the entire year, the rain falls for 152.1 days and collects up to 595mm (23.43") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Windsor, during April, snow falls for 2.3 days and regularly aggregates up to 25mm (0.98") of snow. In Windsor, Canada, during the entire year, snow falls for 54.3 days, and aggregates up to 377mm (14.84") of snow.

Sea temperature

In Windsor, in April, the average water temperature is 4.3°C (39.7°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

The average length of the day in Windsor is 13.4h.

Sunshine

The average sunshine in April is 7.4h.

UV index

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in April in Windsor?

The average relative humidity in April is 74%.

How many days does it rain in April in Windsor?

In April, in Windsor, Canada, the rain falls for 16.2 days. Throughout April, 67mm (2.64") of precipitation is accumulated.

How many days does it snow in April in Windsor?

In Windsor, Canada, in April, snow falls for 2.3 days, with typically accumulated 25mm (0.98") of snow.

What is the water temperature in April in Windsor?

In Windsor, Canada, the average seawater temperature in April is 4.3°C (39.7°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Windsor have in April?

In April, the average length of the day in Windsor is 13.4h.

How long on average sun shines in April in Windsor?

In Windsor, Canada, the average sunshine in April is 7.4h.

What is the UV index reading in April in Windsor?

In April, the average daily maximum UV index in Windsor is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in April
Windsor, Canada

Average temperature in April - Windsor, Canada
  • Average high temperature in April: 11.7°C

The warmest month (with the highest average high temperature) is July (26.6°C).
The month with the lowest average high temperature is January (-1.5°C).

  • Average low temperature in April: 3.8°C

The month with the highest average low temperature is July (18.8°C).
The coldest month (with the lowest average low temperature) is January (-6.9°C).

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Average pressure in April
Windsor, Canada

Average pressure in April - Windsor, Canada
  • Average pressure in April: 1014.7mbar

The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

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Average wind speed in April
Windsor, Canada

Average wind speed in April - Windsor, Canada
  • Average wind speed in April: 16km/h

The windiest month (with the highest average wind speed) is January (16.9km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).

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Average humidity in April
Windsor, Canada

Average humidity in April - Windsor, Canada
  • Average humidity in April: 74%

The month with the highest relative humidity is February (85%).
Months with the lowest relative humidity are July and August (73%).

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Average rainfall in April
Windsor, Canada

Average rainfall in April - Windsor, Canada
  • Average rainfall in April: 67mm

The wettest month (with the highest rainfall) is May (73mm).
The driest month (with the least rainfall) is February (31mm).

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Average rainfall days in April
Windsor, Canada

Average rainfall days in April - Windsor, Canada
  • Average rainfall days in April: 16.2 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in April
Windsor, Canada

Average snowfall in April - Windsor, Canada
  • Average snowfall in April: 25mm

The month with the highest snowfall is January (109mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in April
Windsor, Canada

Average snowfall days in April - Windsor, Canada
  • Average snowfall days in April: 2.3 days

The month with the highest number of snowfall days is January (14.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in April
Windsor, Canada

Average sea temperature in April - Windsor, Canada
  • Average sea temperature in April: 4.3°C

The best month for swimming (with the highest average sea temperature) is August (24.1°C).
The coldest month (with the lowest average sea temperature) is February (0.4°C).

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

Average daylight in April / Average sunshine in April - Windsor, Canada
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in April: 7.4h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 3.2h).

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Average sunshine days in April
Windsor, Canada

Average sunshine days in April - Windsor, Canada
  • Average sunshine days in April: 11.1 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (10.7 days).

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Average UV index in April
Windsor, Canada

Average UV index in April - Windsor, Canada
  • Average UV index in April: 3

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in April
Windsor, Canada

Average cloud cover in April - Windsor, Canada
  • Average cloud cover in April: 48

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in April
Windsor, Canada

Average visibility in April - Windsor, Canada
  • Average visibility in April: 9km

The month with the highest visibility is October (10km).
The month with the lowest visibility is January (8km).

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