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
As March transitions into April, Selby sees a rise in the average high-temperature, moving from a cold 40.5°F (4.7°C) to a fresh 54.1°F (12.3°C). Selby's average low-temperature for the month of April records at a wintry 36.9°F (2.7°C).Humidity
In April, the average relative humidity is 64%.Rainfall
In Selby, in April, it is raining for 10.4 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, in Selby, there are 89.4 rainfall days, and 15.39" (391mm) of precipitation is accumulated.Snowfall
Months with snowfall in Selby are January through May, October through December. In Selby, in April, snow falls for 3.6 days, with typically accumulated 2.8" (71mm) of snow. Throughout the year, in Selby, there are 49.4 snowfall days, and 19.09" (485mm) of snow is accumulated.Daylight
In Selby, the average length of the day in April is 13h and 34min.On the first day of the month, sunrise is at 7:18 am and sunset at 8:08 pm. On the last day of April, in Selby, sunrise is at 6:28 am and sunset at 8:46 pm CDT.
Sunshine
The average sunshine in April is 7.8h.UV index
In April, the average daily maximum UV index in Selby, South Dakota, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In April, a regular UV index of 3 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the temperature in April in Selby?
What is the average humidity in April in Selby?
How much does it rain in Selby in April?
How many days does it snow in April in Selby?
What is the average length of the day in April in Selby?
When are sunrise and sunset in April in Selby?
How many hours of sunshine does Selby have in April?
How high is the UV index in April in Selby?
Average temperature in April
Selby, SD
- Average high temperature in April: 54.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in April
Selby, SD
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Selby, SD
- Average wind speed in April: 11.5mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).
Average humidity in April
Selby, SD
- Average humidity in April: 64%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).
Average rainfall in April
Selby, SD
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
Selby, SD
- Average rainfall days in April: 10.4 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in April
Selby, SD
- Average snowfall in April: 2.8"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Selby, SD
- Average snowfall days in April: 3.6 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Selby, SD
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Selby, SD
- Average sunshine days in April: 14.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in April
Selby, SD
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Selby, SD
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in April
Selby, SD
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Selby, South Dakota, USA
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