Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Entering April, Superior sees a temperature rise, with the average high-temperature advancing from March's cold 34.7°F (1.5°C) to a frosty 46°F (7.8°C). An average temperature of 31.3°F (-0.4°C) is recorded during the nights in April.Humidity
In Superior, the average relative humidity in April is 77%.Rainfall
In April, in Superior, the rain falls for 6.3 days. Throughout April, 0.39" (10mm) of precipitation is accumulated. In Superior, during the entire year, the rain falls for 55.7 days and collects up to 4.33" (110mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Superior. In Superior, Wisconsin, during April, snow falls for 3.4 days and regularly aggregates up to 0.35" (9mm) of snow. In Superior, during the entire year, snow falls for 42.8 days and aggregates up to 3.39" (86mm) of snow.Daylight
In Superior, the average length of the day in April is 13h and 37min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:38 pm. On the last day of April, sunrise is at 5:53 am and sunset at 8:17 pm CDT.
Sunshine
In April, the average sunshine is 6.8h.UV index
In Superior, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In April, the UV index of 2 transforms into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the average April temperature in Superior?
What is the average humidity in April in Superior?
How many days does it rain in April in Superior?
How many days does it snow in April in Superior?
How many hours of daylight does Superior have in April?
When is the sunrise / sunset in April in Superior?
How many hours of sunshine does Superior have in April?
What is the UV index reading in April in Superior?
Average temperature in April
Superior, WI
- Average high temperature in April: 46°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (17.1°F).
- Average low temperature in April: 31.3°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (4.1°F).
Average pressure in April
Superior, WI
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Superior, WI
- Average wind speed in April: 8.7mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in April
Superior, WI
- Average humidity in April: 77%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in April
Superior, WI
- Average rainfall in April: 0.39"
The wettest month (with the highest rainfall) is July (0.67").
The driest months (with the least rainfall) are January and February (0.16").
Average rainfall days in April
Superior, WI
- Average rainfall days in April: 6.3 days
The month with the highest number of rainy days is May (7.9 days).
The month with the least rainy days is February (0.5 days).
Average snowfall in April
Superior, WI
- Average snowfall in April: 0.35"
The month with the highest snowfall is December (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Superior, WI
- Average snowfall days in April: 3.4 days
The months with the highest number of snowfall days are January and December (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Superior, WI
- Average daylight in April: 13h and 4min
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 36min).
- Average sunshine in April: 6h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in April
Superior, WI
- Average sunshine days in April: 19.9 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is April (19.9 days).
Average UV index in April
Superior, WI
- Average UV index in April: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Superior, WI
- Average cloud cover in April: 55
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Superior, WI
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Superior, Wisconsin, USA
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