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 start of April signals a considerable escalation in the average high-temperature, advancing from an icy 37°F (2.8°C) in March to a fresh 51.8°F (11°C). Throughout April, the average low-temperature dips to a cold 35.6°F (2°C).Humidity
The average relative humidity in April in Hecla is 68%.Rainfall
In Hecla, in April, during 11.7 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, in Hecla, South Dakota, there are 109.5 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hecla are January through May, October through December. In Hecla, South Dakota, in April, snow falls for 4.5 days, with typically accumulated 2.56" (65mm) of snow. Throughout the year, there are 68.5 snowfall days, and 22.83" (580mm) of snow is accumulated.Daylight
In April, the average length of the day in Hecla is 13h and 35min.On the first day of April in Hecla, sunrise is at 7:10 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:39 pm CDT.
Sunshine
In April, the average sunshine is 7.6h.UV index
In April, the average daily maximum UV index in Hecla is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Make use of precautions - It is urged to ward off sun damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What are the temperatures in Hecla in April?
What is the average humidity in April in Hecla?
How much does it rain in Hecla in April?
How much does it snow in Hecla in April?
What is the average length of the day in April in Hecla?
When are sunrise and sunset in April in Hecla?
How many hours of sunshine does Hecla have in April?
How high is the UV index in April in Hecla?
Average temperature in April
Hecla, SD
- Average high temperature in April: 51.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in April: 35.6°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in April
Hecla, 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
Hecla, SD
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in April
Hecla, SD
- Average humidity in April: 68%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are August and September (62%).
Average rainfall in April
Hecla, SD
- Average rainfall in April: 1.81"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in April
Hecla, SD
- Average rainfall days in April: 11.7 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in April
Hecla, SD
- Average snowfall in April: 2.56"
The month with the highest snowfall is December (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Hecla, SD
- Average snowfall days in April: 4.5 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hecla, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Hecla, SD
- Average sunshine days in April: 12.9 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in April
Hecla, 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 November (UV index 1).
Average cloud cover in April
Hecla, SD
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in April
Hecla, SD
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Hecla, South Dakota, USA
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