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 shift from March to April sees an increase in the average high-temperature, transitioning from an icy 40.1°F (4.5°C) to a cool 52.3°F (11.3°C). In April, Princeton records an average nighttime temperature of 36.1°F (2.3°C).Humidity
The least humid month is April, with an average relative humidity of 75%.Rainfall
In April, the rain falls for 13.6 days. Throughout April, 2.52" (64mm) of precipitation is accumulated. Throughout the year, in Princeton, there are 129.3 rainfall days, and 25.51" (648mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Princeton. In Princeton, during April, snow falls for 2.8 days and regularly aggregates up to 1.77" (45mm) of snow. Throughout the year, in Princeton, there are 49.7 snowfall days, and 18.86" (479mm) of snow is accumulated.Daylight
In Princeton, the average length of the day in April is 13h and 28min.On the first day of April in Princeton, sunrise is at 6:36 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:58 pm CDT.
Sunshine
In Princeton, Wisconsin, the average sunshine in April is 7.2h.UV index
In April, the average daily maximum UV index in Princeton, Wisconsin, is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Princeton?
What is the least humid month in Princeton?
What is the average humidity in April in Princeton?
How many days does it rain in April in Princeton?
How many days does it snow in April in Princeton?
How many hours of daylight does Princeton have in April?
What time are sunrise and sunset in April in Princeton?
How many hours of sunshine does Princeton have in April?
How high is the UV index in April in Princeton?
Average temperature in April
Princeton, WI
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in April: 36.1°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in April
Princeton, WI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Princeton, WI
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in April
Princeton, WI
- Average humidity in April: 75%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in April
Princeton, WI
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in April
Princeton, WI
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3 days).
Average snowfall in April
Princeton, WI
- Average snowfall in April: 1.77"
The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Princeton, WI
- Average snowfall days in April: 2.8 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Princeton, WI
- Average daylight in April: 13h and 3min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Princeton, WI
- Average sunshine days in April: 13.5 days
The month with the most sunshine days is December (17.9 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in April
Princeton, 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
Princeton, WI
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in April
Princeton, WI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Princeton, Wisconsin, USA
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