April weather forecastOrtley, SD
April
Weather in April
April in Ortley, South Dakota, is a fresh spring month, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 35.1°F (1.7°C).Temperature
In Ortley, stepping into April brings a temperature increase, moving up from March's wintry 37.6°F (3.1°C) to a cool 51.1°F (10.6°C). Throughout April, the average low-temperature dips to a wintry 35.1°F (1.7°C).Humidity
In Ortley, South Dakota, the average relative humidity in April is 70%.Rainfall
In April, the rain falls for 11.3 days. Throughout April, 1.93" (49mm) of precipitation is accumulated. In Ortley, during the entire year, the rain falls for 112.9 days and collects up to 22.09" (561mm) of precipitation.Snowfall
Months with snowfall in Ortley, South Dakota, are January through May, October through December. In Ortley, South Dakota, during April, snow falls for 5.8 days and regularly aggregates up to 2.64" (67mm) of snow. In Ortley, during the entire year, snow falls for 68.4 days and aggregates up to 23.74" (603mm) of snow.Daylight
The average length of the day in April in Ortley, South Dakota, is 13h and 33min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:57 pm. On the last day of April, in Ortley, sunrise is at 6:17 am and sunset at 8:34 pm CDT.
Sunshine
In April, the average sunshine in Ortley, South Dakota, is 7.3h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Ortley, SD
- Average high temperature in April: 51.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in April: 35.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in April
Ortley, SD
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Ortley, SD
- Average wind speed in April: 11.7mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in April
Ortley, SD
- Average humidity in April: 70%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).
Average rainfall in April
Ortley, SD
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in April
Ortley, SD
- Average rainfall days in April: 11.3 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in April
Ortley, SD
- Average snowfall in April: 2.64"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Ortley, SD
- Average snowfall days in April: 5.8 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Ortley, SD
- Average daylight in April: 13h and 30min
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 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in April
Ortley, SD
- Average sunshine days in April: 13 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in April
Ortley, SD
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in April
Ortley, SD
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in April
Ortley, SD
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
