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
With the transition into April, Wallace experiences an increase in average high-temperatures, moving up from a wintry 37.6°F (3.1°C) in March to a cool 51.1°F (10.6°C). During April, an average low-temperature of 35.1°F (1.7°C) is observed.Humidity
In April, the average relative humidity in Wallace is 70%.Rainfall
In Wallace, in April, it is raining for 11.3 days, with typically 1.93" (49mm) of accumulated precipitation. In Wallace, during the entire year, the rain falls for 112.9 days and collects up to 22.09" (561mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Wallace, during April, snow falls for 5.8 days and regularly aggregates up to 2.64" (67mm) of snow. Throughout the year, in Wallace, South Dakota, there are 68.4 snowfall days, and 23.74" (603mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 32min.On the first day of the month, sunrise is at 7:08 am and sunset at 7:58 pm. On the last day of April, sunrise is at 6:19 am and sunset at 8:35 pm CDT.
Sunshine
The average sunshine in April is 7.3h.UV index
In Wallace, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 in April translates into these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Wallace in April?
What is the average humidity in April in Wallace?
How much does it rain in Wallace in April?
How much does it snow in Wallace in April?
What is the average length of the day in April in Wallace?
What time are sunrise and sunset in April in Wallace?
How long on average sun shines in April in Wallace?
What is the UV index reading in April in Wallace?
Average temperature in April
Wallace, 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
Wallace, 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
Wallace, 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
Wallace, 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
Wallace, 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
Wallace, 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
Wallace, 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
Wallace, 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
Wallace, SD
- Average daylight in April: 13h and 3min
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 2min
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
Wallace, 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
Wallace, 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
Wallace, 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
Wallace, 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).
Wallace, South Dakota, USA
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