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
The onset of April marks an increase in the average high-temperature, moving from a wintry 41.4°F (5.2°C) in March to a cool 52°F (11.1°C). Ralph's temperature in April lowers to a consistent average of 35.1°F (1.7°C) during the nights.Humidity
In Ralph, the average relative humidity in April is 64%.Rainfall
In April, in Ralph, the rain falls for 13.1 days. Throughout April, 1.46" (37mm) of precipitation is accumulated. In Ralph, during the entire year, the rain falls for 104.8 days and collects up to 15.2" (386mm) of precipitation.Snowfall
Months with snowfall are January through June, October through December. In Ralph, in April, during 5.9 snowfall days, 3.5" (89mm) of snow is typically accumulated. Throughout the year, there are 67.2 snowfall days, and 24.69" (627mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 34min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:21 pm. On the last day of April, in Ralph, sunrise is at 5:39 am and sunset at 7:59 pm MDT.
Sunshine
In April, the average sunshine in Ralph is 8.4h.UV index
In Ralph, South Dakota, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in April leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Ralph in April?
What is the average humidity in April in Ralph?
How much does it rain in Ralph in April?
How many days does it snow in April in Ralph?
What is the average length of the day in April in Ralph?
When are sunrise and sunset in April in Ralph?
How many hours of sunshine does Ralph have in April?
How high is the UV index in April in Ralph?
Average temperature in April
Ralph, SD
- Average high temperature in April: 52°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in April: 35.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in April
Ralph, SD
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Ralph, SD
- Average wind speed in April: 11.6mph
The windiest months (with the highest average wind speed) are January and October (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in April
Ralph, SD
- Average humidity in April: 64%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (50%).
Average rainfall in April
Ralph, SD
- Average rainfall in April: 1.46"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in April
Ralph, SD
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is November (3 days).
Average snowfall in April
Ralph, SD
- Average snowfall in April: 3.5"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are July, August and September (0").
Average snowfall days in April
Ralph, SD
- Average snowfall days in April: 5.9 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Ralph, SD
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
Ralph, SD
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in April
Ralph, SD
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in April
Ralph, SD
- Average cloud cover in April: 44
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in April
Ralph, 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).
Ralph, South Dakota, USA
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