April weather forecastThorold, Canada
April
Weather in April
April in Thorold, Canada, is a frosty spring month, with an average temperature varying between 9.4°C (48.9°F) and 3.6°C (38.5°F).Temperature
The arrival of April signals an increase in the average high-temperature, moving from a wintry 3.8°C (38.8°F) in March to a chilly 9.4°C (48.9°F). In April, Thorold's temperature tends to fall to an average low of 3.6°C (38.5°F) during the night.Humidity
In April, the average relative humidity is 76%.Rainfall
In Thorold, during April, the rain falls for 15.9 days and regularly aggregates up to 73mm (2.87") of precipitation. Throughout the year, there are 177.2 rainfall days, and 786mm (30.94") of precipitation is accumulated.Snowfall
Months with snowfall in Thorold are January through May, October through December. In Thorold, during April, snow falls for 3.3 days and regularly aggregates up to 28mm (1.1") of snow. In Thorold, Canada, during the entire year, snow falls for 58.5 days and aggregates up to 403mm (15.87") of snow.Sea temperature
In Thorold, Canada, the average seawater temperature in April is 3.6°C (38.5°F).Note: While swimming, this scenario rapidly escalates into a life-threatening situation. Breathing becomes unmanageable, impairing clear thinking. Utilizing a specialized swimsuit is vital to minimize thermal depletion.
Daylight
The average length of the day in April is 13h and 26min.On the first day of April, sunrise is at 6:57 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:17 pm EDT.
Sunshine
In Thorold, the average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index in Thorold is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during April translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Thorold, Canada
- Average high temperature in April: 9.4°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in April: 3.6°C
The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).
Average pressure in April
Thorold, Canada
- Average pressure in April: 1014.8mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in April
Thorold, Canada
- Average wind speed in April: 17.3km/h
The windiest month (with the highest average wind speed) is January (21km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in April
Thorold, Canada
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (74%).
Average rainfall in April
Thorold, Canada
- Average rainfall in April: 73mm
The wettest month (with the highest rainfall) is July (80mm).
The driest months (with the least rainfall) are September and November (55mm).
Average rainfall days in April
Thorold, Canada
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is October (18.9 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in April
Thorold, Canada
- Average snowfall in April: 28mm
The month with the highest snowfall is February (127mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Thorold, Canada
- Average snowfall days in April: 3.3 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Thorold, Canada
- Average sea temperature in April: 3.6°C
The best month for swimming (with the highest average sea temperature) is August (23.2°C).
The coldest month (with the lowest average sea temperature) is February (1.7°C).
Average daylight in April /
Average sunshine in April
Thorold, 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 6min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in April
Thorold, Canada
- Average sunshine days in April: 10.4 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in April
Thorold, Canada
- Average UV index in April: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Thorold, Canada
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Thorold, Canada
- Average visibility in April: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).





