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 arrival of April brings a temperature shift, with the average high-temperature escalating from a wintry 40.5°F (4.7°C) in March to a fresh 54.1°F (12.3°C). Throughout April, Walker witnesses a consistent average low-temperature of 36.9°F (2.7°C).Humidity
The average relative humidity in April is 64%.Rainfall
In April, the rain falls for 10.4 days. Throughout April, 1.57" (40mm) of precipitation is accumulated. In Walker, during the entire year, the rain falls for 89.4 days and collects up to 15.39" (391mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Walker, in April, snow falls for 3.6 days, with typically accumulated 2.8" (71mm) of snow. Throughout the year, there are 49.4 snowfall days, and 19.09" (485mm) of snow is accumulated.Daylight
In Walker, the average length of the day in April is 13h and 35min.On the first day of April, sunrise is at 6:22 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 7:51 pm MDT.
Sunshine
In April, the average sunshine in Walker 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 moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 in April translates into these instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
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?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Walker, SD
- Average high temperature in April: 54.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in April
Walker, SD
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Walker, SD
- Average wind speed in April: 11.5mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).
Average humidity in April
Walker, SD
- Average humidity in April: 64%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).
Average rainfall in April
Walker, SD
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
Walker, SD
- Average rainfall days in April: 10.4 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in April
Walker, SD
- Average snowfall in April: 2.8"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Walker, SD
- Average snowfall days in April: 3.6 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Walker, 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Walker, SD
- Average sunshine days in April: 14.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in April
Walker, SD
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Walker, SD
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in April
Walker, 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).
Walker, South Dakota, USA
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