April weather forecastCottonwood, SD
April
Weather in April
April in Cottonwood, South Dakota, is a moderate spring month, with an average temperature varying between 38.7°F (3.7°C) and 56.5°F (13.6°C).Temperature
The onset of April marks an increase in the average high-temperature, moving from a chilly 46.8°F (8.2°C) in March to a mild 56.5°F (13.6°C). Cottonwood's temperature drops to an average low of 38.7°F (3.7°C) during the nights of April.Humidity
In April, the average relative humidity is 62%.Rainfall
In Cottonwood, in April, it is raining for 11.8 days, with typically 1.57" (40mm) of accumulated precipitation. In Cottonwood, during the entire year, the rain falls for 95.3 days and collects up to 13.74" (349mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Cottonwood, during April, snow falls for 3.3 days and regularly aggregates up to 2.13" (54mm) of snow. Throughout the year, there are 38.8 snowfall days, and 16.1" (409mm) of snow is accumulated.Daylight
The average length of the day in April in Cottonwood is 13h and 29min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:15 pm. On the last day of April, sunrise is at 5:39 am and sunset at 7:50 pm MDT.
Sunshine
The average sunshine in April is 9h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 3 in April translates into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Cottonwood, SD
- Average high temperature in April: 56.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in April: 38.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in April
Cottonwood, 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 (29.85"Hg).
Average wind speed in April
Cottonwood, SD
- Average wind speed in April: 12.1mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).
Average humidity in April
Cottonwood, SD
- Average humidity in April: 62%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).
Average rainfall in April
Cottonwood, SD
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in April
Cottonwood, SD
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in April
Cottonwood, SD
- Average snowfall in April: 2.13"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Cottonwood, SD
- Average snowfall days in April: 3.3 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Cottonwood, SD
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 9h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in April
Cottonwood, SD
- Average sunshine days in April: 14.1 days
The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).
Average UV index in April
Cottonwood, SD
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Cottonwood, SD
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in April
Cottonwood, 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).
