April weather forecastFrench Island, WI
April
Weather in April
April in French Island, Wisconsin, is a cool spring month, with an average temperature ranging between max 53.2°F (11.8°C) and min 36°F (2.2°C).Temperature
The commencement of April sees a shift in the average high-temperature, moving from an icy 40.1°F (4.5°C) in March to a cool 53.2°F (11.8°C). During April, an average low-temperature of 36°F (2.2°C) is observed.Humidity
In April, the average relative humidity is 77%.Rainfall
In French Island, during April, the rain falls for 14.9 days and regularly aggregates up to 2.52" (64mm) of precipitation. In French Island, during the entire year, the rain falls for 129.3 days and collects up to 26.42" (671mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In French Island, in April, during 3 snowfall days, 2.56" (65mm) of snow is typically accumulated. Throughout the year, in French Island, there are 48.3 snowfall days, and 20.2" (513mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 28min.On the first day of April, sunrise is at 6:44 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:07 pm CDT.
Sunshine
In French Island, the average sunshine in April is 7.2h.UV index
In French Island, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Exercise prevention - Warding off sunburn is urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
French Island, WI
- Average high temperature in April: 53.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in April: 36°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in April
French Island, WI
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
French Island, WI
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
French Island, WI
- Average humidity in April: 77%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in April
French Island, WI
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in April
French Island, WI
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in April
French Island, WI
- Average snowfall in April: 2.56"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
French Island, WI
- Average snowfall days in April: 3 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
French Island, WI
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 12min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in April
French Island, WI
- Average sunshine days in April: 11.5 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in April
French Island, WI
- Average UV index in April: 3
The months with the highest UV index are May, 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
French Island, WI
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
French Island, WI
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
