April weather forecastBoulder Junction, WI
April
Weather in April
April in Boulder Junction, Wisconsin, is a frosty spring month, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 30.6°F (-0.8°C).Temperature
The shift from March to April sees an increase in the average high-temperature, transitioning from a cold 34.2°F (1.2°C) to a frosty 46°F (7.8°C). Boulder Junction's temperature lowers to a mean of 30.6°F (-0.8°C) during the nights in April.Humidity
In Boulder Junction, the average relative humidity in April is 78%.Rainfall
In Boulder Junction, Wisconsin, in April, during 11.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, in Boulder Junction, there are 128.5 rainfall days, and 24.76" (629mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 11.5 days. Throughout April, 8.5" (216mm) of snow is accumulated. In Boulder Junction, during the entire year, snow falls for 127.5 days and aggregates up to 59.72" (1517mm) of snow.Daylight
The average length of the day in April in Boulder Junction, Wisconsin, is 13h and 35min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:27 pm. On the last day of April, sunrise is at 5:45 am and sunset at 8:06 pm CDT.
Sunshine
In April, the average sunshine in Boulder Junction is 6.5h.UV index
In April, the average daily maximum UV index in Boulder Junction is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 3 during April translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Boulder Junction, WI
- Average high temperature in April: 46°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (18.5°F).
- Average low temperature in April: 30.6°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in April
Boulder Junction, WI
- Average pressure in April: 29.98"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Boulder Junction, WI
- Average wind speed in April: 8.4mph
The windiest month (with the highest average wind speed) is November (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in April
Boulder Junction, WI
- Average humidity in April: 78%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).
Average rainfall in April
Boulder Junction, WI
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in April
Boulder Junction, WI
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in April
Boulder Junction, WI
- Average snowfall in April: 8.5"
The month with the highest snowfall is December (11.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Boulder Junction, WI
- Average snowfall days in April: 11.5 days
The month with the highest number of snowfall days is January (26.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Boulder Junction, WI
- Average daylight in April: 13h and 36min
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 30min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in April
Boulder Junction, WI
- Average sunshine days in April: 10.1 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is January (5 days).
Average UV index in April
Boulder Junction, 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, March, November and December (UV index 1).
Average cloud cover in April
Boulder Junction, WI
- Average cloud cover in April: 58
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in April
Boulder Junction, WI
- Average visibility in April: 5mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
