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
April sees a temperature increase, moving from a cold 36.1°F (2.3°C) in March to a chilly 48.6°F (9.2°C). Throughout the month of April, the nighttime temperature in Merrill dips to an average of 32.5°F (0.3°C).Humidity
In Merrill, the average relative humidity in April is 77%.Rainfall
In April, the rain falls for 12.9 days. Throughout April, 2.09" (53mm) of precipitation is accumulated. In Merrill, during the entire year, the rain falls for 126.6 days and collects up to 17.36" (441mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Merrill, in April, snow falls for 7 days, with typically accumulated 3.19" (81mm) of snow. Throughout the year, there are 89.8 snowfall days, and 23.58" (599mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 32min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:27 pm. On the last day of April, sunrise is at 5:47 am and sunset at 8:04 pm CDT.
Sunshine
The average sunshine in April is 6.9h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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 much does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Merrill, WI
- Average high temperature in April: 48.6°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 (19.2°F).
- Average low temperature in April: 32.5°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in April
Merrill, WI
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Merrill, WI
- Average wind speed in April: 9mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in April
Merrill, WI
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (75%).
Average rainfall in April
Merrill, WI
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and February (0.79").
Average rainfall days in April
Merrill, WI
- Average rainfall days in April: 12.9 days
The months with the highest number of rainy days are May and June (15.8 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in April
Merrill, WI
- Average snowfall in April: 3.19"
The month with the highest snowfall is January (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Merrill, WI
- Average snowfall days in April: 7 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
Merrill, 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 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in April
Merrill, WI
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in April
Merrill, 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 and December (UV index 1).
Average cloud cover in April
Merrill, WI
- Average cloud cover in April: 54
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in April
Merrill, WI
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January and February (4mi).
Merrill, Wisconsin, USA
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