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 chilly 46.9°F (8.3°C) in March to a refreshing 57.7°F (14.3°C). Avon, in April, witnesses an average low-temperature of 39.7°F (4.3°C).Humidity
The average relative humidity in April is 67%.Rainfall
In Avon, in April, it is raining for 10.8 days, with typically 1.42" (36mm) of accumulated precipitation. In Avon, during the entire year, the rain falls for 104.1 days and collects up to 14.29" (363mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.8 snowfall days, in April, Avon aggregates 0.75" (19mm) of snow. Throughout the year, there are 32.8 snowfall days, and 8.35" (212mm) of snow is accumulated.Daylight
In April, the average length of the day in Avon is 13h and 26min.On the first day of April, sunrise is at 7:12 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 8:32 pm CDT.
Sunshine
In Avon, the average sunshine in April is 8.1h.UV index
In Avon, South Dakota, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Avon have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April in Avon?
Average temperature in April
Avon, SD
- Average high temperature in April: 57.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in April
Avon, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Avon, SD
- Average wind speed in April: 11.1mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in April
Avon, SD
- Average humidity in April: 67%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).
Average rainfall in April
Avon, SD
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").
Average rainfall days in April
Avon, SD
- Average rainfall days in April: 10.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in April
Avon, SD
- Average snowfall in April: 0.75"
The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Avon, SD
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Avon, SD
- Average daylight in April: 13h and 2min
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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in April
Avon, SD
- Average sunshine days in April: 15.4 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in April
Avon, SD
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Avon, SD
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in April
Avon, SD
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Avon, South Dakota, USA
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