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 shift into April is marked by a rise in the average high-temperature, moving from March's frosty 42.8°F (6°C) to a mild 55.4°F (13°C). Salem experiences an average low-temperature of 38.5°F (3.6°C) in the month of April.Humidity
The average relative humidity in April is 69%.Rainfall
In Salem, in April, it is raining for 12.8 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 118.3 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Salem, during April, snow falls for 2.5 days and regularly aggregates up to 2.4" (61mm) of snow. Throughout the year, there are 45.4 snowfall days, and 19.33" (491mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 28min.On the first day of April, sunrise is at 7:09 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:31 pm CDT.
Sunshine
The average sunshine in April is 7.8h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 3 in April translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. 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
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Salem have in April?
How high is the UV index in April?
Average temperature in April
Salem, SD
- Average high temperature in April: 55.4°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in April: 38.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in April
Salem, SD
- Average pressure in April: 29.93"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Salem, SD
- Average wind speed in April: 11.4mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in April
Salem, SD
- Average humidity in April: 69%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in April
Salem, SD
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in April
Salem, SD
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in April
Salem, SD
- Average snowfall in April: 2.4"
The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Salem, SD
- Average snowfall days in April: 2.5 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Salem, SD
- Average daylight in April: 13h and 3min
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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Salem, SD
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in April
Salem, 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 and December (UV index 1).
Average cloud cover in April
Salem, SD
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in April
Salem, SD
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Salem, South Dakota, USA
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