April weather forecastCopper Cliff, Canada
April
Weather in April
April in Copper Cliff, Canada, is a chilly spring month, with an average temperature fluctuating between 6.6°C (43.9°F) and -2°C (28.4°F).Temperature
April's arrival coincides with a temperature rise, moving from March's freezing cold -0.8°C (30.6°F) to a frosty 6.6°C (43.9°F). Copper Cliff, during the nights of April, experiences an average temperature drop to a subzero cold -2°C (28.4°F).Humidity
In Copper Cliff, the average relative humidity in April is 80%.Rainfall
In Copper Cliff, in April, during 9.9 rainfall days, 53mm (2.09") of precipitation is typically accumulated. Throughout the year, there are 108.1 rainfall days, and 474mm (18.66") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Copper Cliff. In Copper Cliff, Canada, in April, snow falls for 7.4 days, with typically accumulated 87mm (3.43") of snow. In Copper Cliff, during the entire year, snow falls for 86.7 days and aggregates up to 865mm (34.06") of snow.Daylight
In April, the average length of the day is 13h and 37min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:53 pm. On the last day of April, in Copper Cliff, sunrise is at 6:10 am and sunset at 8:32 pm EDT.
Sunshine
In Copper Cliff, the average sunshine in April is 5.9h.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 unprotected exposure to Sun's UV rays for the average person.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. 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
Copper Cliff, Canada
- Average high temperature in April: 6.6°C
The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (-8°C).
- Average low temperature in April: -2°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-15.9°C).
Average pressure in April
Copper Cliff, Canada
- Average pressure in April: 1015.1mbar
The month with the highest atmospheric pressure is March (1018.8mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).
Average wind speed in April
Copper Cliff, Canada
- Average wind speed in April: 12.5km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest months (with the lowest average wind speed) are June and August (10.1km/h).
Average humidity in April
Copper Cliff, Canada
- Average humidity in April: 80%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (68%).
Average rainfall in April
Copper Cliff, Canada
- Average rainfall in April: 53mm
The wettest month (with the highest rainfall) is October (65mm).
The driest months (with the least rainfall) are February and December (27mm).
Average rainfall days in April
Copper Cliff, Canada
- Average rainfall days in April: 9.9 days
The month with the highest number of rainy days is October (13.7 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in April
Copper Cliff, Canada
- Average snowfall in April: 87mm
The month with the highest snowfall is January (179mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Copper Cliff, Canada
- Average snowfall days in April: 7.4 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Copper Cliff, Canada
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 5h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 0min).
Average sunshine days in April
Copper Cliff, Canada
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in April
Copper Cliff, Canada
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in April
Copper Cliff, Canada
- Average cloud cover in April: 59
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Copper Cliff, Canada
- Average visibility in April: 8km
The months with the highest visibility are May, June and July (9km).
The month with the lowest visibility is January (6km).





