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 onset of April brings a rise in the average high-temperature, elevating from a cold 39.9°F (4.4°C) in March to a cool 52.3°F (11.3°C). Big Flats observes an average low-temperature of 36.1°F (2.3°C) during April nights.Humidity
With an average relative humidity of 75%, April is the least humid month.Rainfall
In Big Flats, during April, the rain falls for 14.1 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 129.4 rainfall days, and 26.3" (668mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Big Flats. In Big Flats, Wisconsin, during April, snow falls for 3.5 days and regularly aggregates up to 2.91" (74mm) of snow. In Big Flats, during the entire year, snow falls for 55 days and aggregates up to 21.77" (553mm) of snow.Daylight
In Big Flats, the average length of the day in April is 13h and 29min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:26 pm. On the last day of April, sunrise is at 5:50 am and sunset at 8:02 pm CDT.
Sunshine
In April, the average sunshine is 7.1h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during April leads to these instructions:
Undertake protective steps - Preventing sun damage is advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in Big Flats in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April in Big Flats?
Average temperature in April
Big Flats, WI
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (21.7°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 (9.9°F).
Average pressure in April
Big Flats, WI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Big Flats, WI
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Big Flats, 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
Big Flats, WI
- Average rainfall in April: 2.68"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in April
Big Flats, WI
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in April
Big Flats, WI
- Average snowfall in April: 2.91"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Big Flats, WI
- Average snowfall days in April: 3.5 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Big Flats, 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: 8h and 54min).
- 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 12min).
Average sunshine days in April
Big Flats, WI
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in April
Big Flats, WI
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Big Flats, WI
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in April
Big Flats, WI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Big Flats, Wisconsin, USA
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