April weather forecastNiagara, WI
April
Weather in April
April in Niagara, Wisconsin, is a frosty spring month, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 47.5°F (8.6°C).Temperature
With the onset of April, Niagara experiences a temperature shift, with the average high-temperature moving from a cold 35.8°F (2.1°C) in March to a chilly 47.5°F (8.6°C). Niagara anticipates an average minimum temperature of 31.5°F (-0.3°C) in the month of April.Humidity
In Niagara, the average relative humidity in April is 77%.Rainfall
In Niagara, in April, it is raining for 12.8 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, in Niagara, there are 137.4 rainfall days, and 22.83" (580mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Niagara, in April, snow falls for 8.3 days, with typically accumulated 6.81" (173mm) of snow. Throughout the year, in Niagara, there are 92.1 snowfall days, and 41.26" (1048mm) of snow is accumulated.Daylight
In Niagara, the average length of the day in April is 13h and 34min.On the first day of April, sunrise is at 6:30 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 7:58 pm CDT.
Sunshine
The average sunshine in April is 6.9h.UV index
In April, the average daily maximum UV index in Niagara is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Niagara, WI
- Average high temperature in April: 47.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (21°F).
- Average low temperature in April: 31.5°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in April
Niagara, WI
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Niagara, WI
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Niagara, WI
- Average humidity in April: 77%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall in April
Niagara, WI
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in April
Niagara, WI
- Average rainfall days in April: 12.8 days
The months with the highest number of rainy days are May, June and July (15.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in April
Niagara, WI
- Average snowfall in April: 6.81"
The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Niagara, WI
- Average snowfall days in April: 8.3 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Niagara, WI
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 6h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in April
Niagara, WI
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in April
Niagara, WI
- 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
Niagara, WI
- Average cloud cover in April: 54
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in April
Niagara, WI
- Average visibility in April: 5mi
The months with the highest visibility are May, June, October and November (6mi).
The month with the lowest visibility is February (4mi).





