April weather forecastMonticello, WI
April
Weather in April
April in Monticello, Wisconsin, is a fresh spring month, with an average temperature fluctuating between 54.3°F (12.4°C) and 37.6°F (3.1°C).Temperature
Monticello in April shows a temperature shift, moving from an average high of an icy 42.1°F (5.6°C) in March to a cool 54.3°F (12.4°C). In Monticello, the average low-temperature during the month of April is a cold 37.6°F (3.1°C).Humidity
The months with the lowest humidity are April and October, with an average relative humidity of 77%.Rainfall
In Monticello, during April, the rain falls for 13.6 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Monticello, during the entire year, the rain falls for 124.7 days and collects up to 15.16" (385mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Monticello, during April, snow falls for 2.5 days and regularly aggregates up to 0.87" (22mm) of snow. Throughout the year, there are 48 snowfall days, and 10.43" (265mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 25min.On the first day of April, sunrise is at 6:39 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:58 pm CDT.
Sunshine
In Monticello, the average sunshine in April is 7.2h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Monticello, WI
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in April: 37.6°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in April
Monticello, WI
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Monticello, WI
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
Monticello, WI
- Average humidity in April: 77%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in April
Monticello, WI
- Average rainfall in April: 1.5"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in April
Monticello, WI
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in April
Monticello, WI
- Average snowfall in April: 0.87"
The months with the highest snowfall are January and February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Monticello, WI
- Average snowfall days in April: 2.5 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Monticello, WI
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 7h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Monticello, WI
- Average sunshine days in April: 13.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in April
Monticello, WI
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in April
Monticello, WI
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in April
Monticello, WI
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).





