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
In April, the meteorological conditions change with the average high-temperature moving from a chilly 46.9°F (8.3°C) in March to a refreshing 57.9°F (14.4°C). Nighttime temperatures hover around an average low of 40.1°F (4.5°C) in April.Humidity
In April, the average relative humidity is 68%.Rainfall
In Yankton, in April, it is raining for 12.2 days, with typically 2.4" (61mm) of accumulated precipitation. In Yankton, South Dakota, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Yankton. In Yankton, during April, snow falls for 2.4 days and regularly aggregates up to 2.13" (54mm) of snow. In Yankton, during the entire year, snow falls for 37.4 days and aggregates up to 14.45" (367mm) of snow.Daylight
In April, the average length of the day is 13h and 26min.On the first day of the month, sunrise is at 7:10 am and sunset at 7:56 pm. On the last day of April, in Yankton, sunrise is at 6:23 am and sunset at 8:29 pm CDT.
Sunshine
The average sunshine in April is 8h.UV index
In April, the average daily maximum UV index in Yankton is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 4 suggests this advice:
Act with care - The suggestion to avoid sunburn is emphasized. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Yankton?
What is the average humidity in April in Yankton?
How much does it rain in Yankton in April?
How many days does it snow in April in Yankton?
What is the average length of the day in April in Yankton?
When are sunrise and sunset in April in Yankton?
How long on average sun shines in April in Yankton?
How high is the UV index in April in Yankton?
Average temperature in April
Yankton, SD
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in April
Yankton, 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
Yankton, 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 (7.9mph).
Average humidity in April
Yankton, SD
- Average humidity in April: 68%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in April
Yankton, SD
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in April
Yankton, SD
- Average rainfall days in April: 12.2 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in April
Yankton, SD
- Average snowfall in April: 2.13"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Yankton, SD
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Yankton, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Yankton, SD
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in April
Yankton, SD
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Yankton, SD
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in April
Yankton, 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).
Yankton, South Dakota, USA
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