April weather forecastNisland, SD
April
Weather in April
April is a cool spring month in Nisland, South Dakota, with an average temperature ranging between min 34.9°F (1.6°C) and max 52.9°F (11.6°C).Temperature
As April begins, there's a slight increase in the average high-temperature, moving from a frosty 44.2°F (6.8°C) in March to a cool 52.9°F (11.6°C). Throughout April, the nighttime temperature in Nisland averages to a cold 34.9°F (1.6°C).Humidity
The average relative humidity in April is 66%.Rainfall
In Nisland, in April, during 12.3 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Nisland, during the entire year, the rain falls for 100 days and collects up to 12.83" (326mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Nisland. April is the month with the most snowfall. Snow falls for 5.1 days and accumulates 4.88" (124mm) of snow.Daylight
In Nisland, the average length of the day in April is 13h and 31min.On the first day of April, sunrise is at 6:33 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 7:58 pm MDT.
Sunshine
In April, the average sunshine is 9.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during April translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Consider this! The reflection from snow 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
Average temperature in April
Nisland, SD
- Average high temperature in April: 52.9°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in April: 34.9°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).
Average pressure in April
Nisland, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Nisland, SD
- Average wind speed in April: 10.2mph
The windiest months (with the highest average wind speed) are January and October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in April
Nisland, SD
- Average humidity in April: 66%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (47%).
Average rainfall in April
Nisland, SD
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Nisland, SD
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in April
Nisland, SD
- Average snowfall in April: 4.88"
The month with the highest snowfall is April (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Nisland, SD
- Average snowfall days in April: 5.1 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Nisland, SD
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 9h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in April
Nisland, SD
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is April (12.6 days).
Average UV index in April
Nisland, 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, February, November and December (UV index 2).
Average cloud cover in April
Nisland, SD
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in April
Nisland, 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).
