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
Harrisburg's April weather shows an increase in high-temperatures, moving from March's chilly 44.1°F (6.7°C) to a mild 56.7°F (13.7°C). In April, the temperature drops to an average of 39.9°F (4.4°C) at night.Humidity
In April, the average relative humidity is 68%.Rainfall
In Harrisburg, in April, it is raining for 13.2 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 119.2 rainfall days, and 21.73" (552mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 2.2 days. Throughout April, 1.85" (47mm) of snow is accumulated. In Harrisburg, during the entire year, snow falls for 40.5 days and aggregates up to 16.77" (426mm) of snow.Daylight
In April, the average length of the day is 13h and 27min.On the first day of April, sunrise is at 7:06 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:28 pm CDT.
Sunshine
In Harrisburg, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in April interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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 much does it rain in April?
How much does it snow in April?
How many hours of daylight does Harrisburg have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Harrisburg have in April?
How high is the UV index in April in Harrisburg?
Average temperature in April
Harrisburg, SD
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in April
Harrisburg, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in April
Harrisburg, SD
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in April
Harrisburg, SD
- Average humidity in April: 68%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).
Average rainfall in April
Harrisburg, SD
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is June (3.35").
The driest months (with the least rainfall) are January, February and November (0.67").
Average rainfall days in April
Harrisburg, SD
- Average rainfall days in April: 13.2 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in April
Harrisburg, SD
- Average snowfall in April: 1.85"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Harrisburg, SD
- Average snowfall days in April: 2.2 days
The month with the highest number of snowfall days is December (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Harrisburg, 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: 8h and 1min
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 6min).
Average sunshine days in April
Harrisburg, SD
- Average sunshine days in April: 13 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in April
Harrisburg, SD
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Harrisburg, SD
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in April
Harrisburg, 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).
Harrisburg, South Dakota, USA
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