April weather forecastReva, SD
April
Weather in April
April in Reva, South Dakota, is a cool spring month, with an average temperature ranging between min 35.1°F (1.7°C) and max 52.9°F (11.6°C).Temperature
The start of April signals an increase in the average high-temperature, moving from a cold 42.6°F (5.9°C) in March to a cool 52.9°F (11.6°C). April brings with it a nighttime average temperature of 35.1°F (1.7°C).Humidity
In Reva, the average relative humidity in April is 64%.Rainfall
In April, the rain falls for 13.8 days. Throughout April, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 103.8 rainfall days, and 14.88" (378mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Reva, in April, during 5.3 snowfall days, 3.31" (84mm) of snow is typically accumulated. Throughout the year, there are 62.2 snowfall days, and 22.95" (583mm) of snow is accumulated.Daylight
In Reva, the average length of the day in April is 13h and 34min.On the first day of April, sunrise is at 6:30 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:58 pm MDT.
Sunshine
The average sunshine in April is 8.5h.UV index
In Reva, 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 rays for average individuals.Note: The maximum UV index of 3 during April translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Reva, SD
- Average high temperature in April: 52.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in April: 35.1°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in April
Reva, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Reva, SD
- Average wind speed in April: 11.7mph
The windiest months (with the highest average wind speed) are January and October (11.9mph).
The calmest month (with the lowest average wind speed) is July (9.8mph).
Average humidity in April
Reva, SD
- Average humidity in April: 64%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (47%).
Average rainfall in April
Reva, SD
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in April
Reva, SD
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in April
Reva, SD
- Average snowfall in April: 3.31"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Reva, SD
- Average snowfall days in April: 5.3 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Reva, SD
- Average daylight in April: 13h and 36min
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: 8h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in April
Reva, SD
- Average sunshine days in April: 11.6 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in April
Reva, 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 February and December (UV index 1).
Average cloud cover in April
Reva, SD
- Average cloud cover in April: 45
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in April
Reva, 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).





