April weather forecast
Grimsby, Canada

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Weather in April

April in Grimsby, Canada, is a cool spring month, with temperature in the range of an average high of 10°C (50°F) and an average low of 2.7°C (36.9°F).

Temperature

Grimsby experiences a temperature shift with the start of April, with average high-temperatures moving from an icy 3.8°C (38.8°F) in March to a fresh 10°C (50°F). April in Grimsby is noted for a mean low-temperature of 2.7°C (36.9°F).

Humidity

With an average relative humidity of 75%, April is the least humid month in Grimsby.

Rainfall

In April, in Grimsby, the rain falls for 16.3 days. Throughout April, 73mm (2.87") of precipitation is accumulated. Throughout the year, in Grimsby, there are 175.2 rainfall days, and 711mm (27.99") of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In Grimsby, Canada, in April, snow falls for 3.1 days, with typically accumulated 35mm (1.38") of snow. Throughout the year, in Grimsby, there are 58.6 snowfall days, and 463mm (18.23") of snow is accumulated.

Daylight

In Grimsby, Canada, the average length of the day in April is 13h and 26min.
On the first day of the month, sunrise is at 6:58 am and sunset at 7:45 pm. On the last day of April, sunrise is at 6:11 am and sunset at 8:18 pm EDT.

Sunshine

The average sunshine in April in Grimsby is 7.6h.

UV index

In Grimsby, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 3 during April leads to these instructions:
Take precautions - Protection against sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What is the usual temperature for Grimsby in April?

Grimsby in April has an average high-temperature of 10°C (50°F) and an average low-temperature of 2.7°C (36.9°F).

What is the least humid month in Grimsby?

April is the least humid month in Grimsby, Canada, with an average relative humidity of 75%.

What is the average humidity in April in Grimsby?

The average relative humidity in April is 75%.

How many days does it rain in April in Grimsby?

In Grimsby, Canada, in April, during 16.3 rainfall days, 73mm (2.87") of precipitation is typically accumulated.

How much does it snow in Grimsby in April?

In April, in Grimsby, Canada, it is snowing for 3.1 days. Throughout April, 35mm (1.38") of snow is accumulated.

How many hours of daylight does Grimsby have in April?

The average day length in April in Grimsby, Canada, is 13h and 26min.

When are sunrise and sunset in April in Grimsby?

On the first day of April in Grimsby, sunrise is at 6:58 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:18 pm EDT.

How long on average sun shines in April in Grimsby?

In April, the average sunshine duration in Grimsby, Canada, is 7.6h.

What is the UV index reading in April in Grimsby?

In Grimsby, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Grimsby, Canada

Average temperature in April - Grimsby, Canada
  • Average high temperature in April: 10°C

The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in April: 2.7°C

The month with the highest average low temperature is July (17.3°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).

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Average pressure in April
Grimsby, Canada

Average pressure in April - Grimsby, Canada
  • Average pressure in April: 1014.8mbar

The months with the highest atmospheric pressure are March and November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

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Average wind speed in April
Grimsby, Canada

Average wind speed in April - Grimsby, Canada
  • Average wind speed in April: 16.7km/h

The windiest month (with the highest average wind speed) is January (19km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).

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Average humidity in April
Grimsby, Canada

Average humidity in April - Grimsby, Canada
  • Average humidity in April: 75%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in April
Grimsby, Canada

Average rainfall in April - Grimsby, Canada
  • Average rainfall in April: 73mm

The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is September (44mm).

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Average rainfall days in April
Grimsby, Canada

Average rainfall days in April - Grimsby, Canada
  • Average rainfall days in April: 16.3 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in April
Grimsby, Canada

Average snowfall in April - Grimsby, Canada
  • Average snowfall in April: 35mm

The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in April
Grimsby, Canada

Average snowfall days in April - Grimsby, Canada
  • Average snowfall days in April: 3.1 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Grimsby, Canada
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in April: 7h and 4min

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 12min).

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Average sunshine days in April
Grimsby, Canada

Average sunshine days in April - Grimsby, Canada
  • Average sunshine days in April: 10.2 days

The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (9 days).

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Average UV index in April
Grimsby, Canada

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in April
Grimsby, Canada

Average cloud cover in April - Grimsby, Canada
  • Average cloud cover in April: 49

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in April
Grimsby, Canada

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

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

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Grimsby, Canada

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