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
The shift into April brings an increase in the average high-temperature, moving from a wintry 35.1°F (1.7°C) in March to a chilly 46.9°F (8.3°C). Summit Lake's nighttime temperature in April falls to an average of 31.1°F (-0.5°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In April, the rain falls for 11.7 days. Throughout April, 2.72" (69mm) of precipitation is accumulated. In Summit Lake, during the entire year, the rain falls for 120.4 days and collects up to 22.99" (584mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 9.8 days. Throughout April, 6.93" (176mm) of snow is accumulated. Throughout the year, there are 96.4 snowfall days, and 43.19" (1097mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 33min.On the first day of April, sunrise is at 6:35 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:02 pm CDT.
Sunshine
In April, the average sunshine is 6.5h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in April interprets into the following advice:
Be vigilant - Preventing sunburn is recommended. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Summit Lake have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Summit Lake have in April?
What is the UV index reading in April?
Average temperature in April
Summit Lake, WI
- Average high temperature in April: 46.9°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in April: 31.1°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in April
Summit Lake, 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
Summit Lake, WI
- Average wind speed in April: 8.5mph
The windiest months (with the highest average wind speed) are April and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in April
Summit Lake, WI
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in April
Summit Lake, WI
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in April
Summit Lake, WI
- Average rainfall days in April: 11.7 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in April
Summit Lake, WI
- Average snowfall in April: 6.93"
The month with the highest snowfall is February (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Summit Lake, WI
- Average snowfall days in April: 9.8 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Summit Lake, WI
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 6h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in April
Summit Lake, WI
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in April
Summit Lake, 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, November and December (UV index 1).
Average cloud cover in April
Summit Lake, WI
- Average cloud cover in April: 58
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in April
Summit Lake, WI
- Average visibility in April: 5mi
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January and February (4mi).
Summit Lake, Wisconsin, USA
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