April weather forecastThunder Hawk, SD
April
Weather in April
April in Thunder Hawk, South Dakota, is a fresh spring month, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 35.2°F (1.8°C).Temperature
In Thunder Hawk, the onset of April comes with an increased average high-temperature, moving from March's wintry 41.4°F (5.2°C) to a fresh 52.3°F (11.3°C). Thunder Hawk reports a consistent average low-temperature of 35.2°F (1.8°C) throughout April nights.Humidity
In Thunder Hawk, the average relative humidity in April is 64%.Rainfall
In April, the rain falls for 11.9 days. Throughout April, 1.38" (35mm) of precipitation is accumulated. Throughout the year, in Thunder Hawk, there are 101.3 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Thunder Hawk, South Dakota, in April, snow falls for 5.8 days, with typically accumulated 3.15" (80mm) of snow. In Thunder Hawk, during the entire year, snow falls for 65.8 days and aggregates up to 21.42" (544mm) of snow.Daylight
In April, the average length of the day is 13h and 35min.On the first day of April in Thunder Hawk, sunrise is at 6:26 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 7:55 pm MDT.
Sunshine
In April, the average sunshine is 8.5h.UV index
In Thunder Hawk, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 during April translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. 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
Average temperature in April
Thunder Hawk, SD
- Average high temperature in April: 52.3°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 (25.2°F).
- Average low temperature in April: 35.2°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 (11.7°F).
Average pressure in April
Thunder Hawk, SD
- Average pressure in April: 29.95"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
Thunder Hawk, 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 August (9.6mph).
Average humidity in April
Thunder Hawk, SD
- Average humidity in April: 64%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in April
Thunder Hawk, SD
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
Thunder Hawk, SD
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in April
Thunder Hawk, SD
- Average snowfall in April: 3.15"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Thunder Hawk, SD
- Average snowfall days in April: 5.8 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Thunder Hawk, SD
- Average daylight in April: 13h and 36min
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 30min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Thunder Hawk, SD
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in April
Thunder Hawk, 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 December (UV index 1).
Average cloud cover in April
Thunder Hawk, 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
Thunder Hawk, 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).





