April weather forecastGrimsby, Canada
April
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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).
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).
Average daylight in April /
Average sunshine in April
Grimsby, Canada
- Average daylight in April: 13h and 24min
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 36min
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).
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).
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).
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).
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).
