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 onset of April brings a temperature shift, with the average high-temperature moving from a cold 34.7°F (1.5°C) in March to a chilly 46.9°F (8.3°C). In April, the recorded average low-temperature is a freezing cold 31.1°F (-0.5°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Mercer, during April, the rain falls for 12.2 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Mercer, during the entire year, the rain falls for 126.3 days and collects up to 24.09" (612mm) of precipitation.Snowfall
Months with snowfall in Mercer are January through May, October through December. In Mercer, during April, snow falls for 10.7 days and regularly aggregates up to 8.15" (207mm) of snow. Throughout the year, in Mercer, there are 120.8 snowfall days, and 54.92" (1395mm) of snow is accumulated.Daylight
The average length of the day in April in Mercer is 13h and 35min.On the first day of April in Mercer, sunrise is at 6:38 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:07 pm CDT.
Sunshine
The average sunshine in April in Mercer is 6.3h.UV index
The average daily maximum UV index in April in Mercer is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the usual temperature for Mercer in April?
What is the average humidity in April in Mercer?
How many days does it rain in April in Mercer?
How many days does it snow in April in Mercer?
How many hours of daylight does Mercer have in April?
When is the sunrise / sunset in April in Mercer?
How long on average sun shines in April in Mercer?
What is the UV index reading in April in Mercer?
Average temperature in April
Mercer, WI
- Average high temperature in April: 46.9°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 (18.3°F).
- Average low temperature in April: 31.1°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 (7°F).
Average pressure in April
Mercer, WI
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Mercer, WI
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is November (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in April
Mercer, WI
- Average humidity in April: 77%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (71%).
Average rainfall in April
Mercer, WI
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in April
Mercer, WI
- Average rainfall days in April: 12.2 days
The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is January (3 days).
Average snowfall in April
Mercer, WI
- Average snowfall in April: 8.15"
The month with the highest snowfall is December (10.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Mercer, WI
- Average snowfall days in April: 10.7 days
The month with the highest number of snowfall days is January (25.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Mercer, WI
- Average daylight in April: 13h and 4min
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 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in April
Mercer, WI
- Average sunshine days in April: 9.1 days
The month with the most sunshine days is August (14.3 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in April
Mercer, 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
Mercer, WI
- Average cloud cover in April: 58
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in April
Mercer, WI
- Average visibility in April: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February and December (4mi).
Mercer, Wisconsin, USA
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