April weather forecastBelle Fourche, SD
April
Weather in April
April takes a leap into typical springtime weather with further warming of the city. The shift from March is quite pronounced, with decidedly more sunshine hours and a significantly lower percentage of cloud cover. Reaching a maximum temperature of 52.9°F (11.6°C), the city begins to warm up. The season retains its unpredictability with a higher average rainfall at 1.57" (40mm). Although a bit gusty, with wind speeds reaching up to 15.3mph (24.6km/h), the weather remains relatively calm, allowing residents to fully enjoy the blooming season.Temperature
The average high-temperature in Belle Fourche mildly increases in April, edging from a chilly 44.2°F (6.8°C) in March to a cool 52.9°F (11.6°C). In the month of April, the temperature generally rests at an average low of 34.9°F (1.6°C).Humidity
In April, the average relative humidity is 66%.Rainfall
In Belle Fourche, in April, it is raining for 12.3 days, with typically 1.57" (40mm) of accumulated precipitation. In Belle Fourche, South Dakota, during the entire year, the rain falls for 100 days and collects up to 12.83" (326mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall in Belle Fourche is April, when snow falls for 5.1 days and typically aggregates up to 4.88" (124mm) of snow.Daylight
In Belle Fourche, South Dakota, the average length of the day in April is 13h and 31min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:23 pm. On the last day of April, sunrise is at 5:45 am and sunset at 7:59 pm MDT.
Sunshine
In Belle Fourche, the average sunshine in April is 9.3h.UV index
The average daily maximum UV index in April in Belle Fourche 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 the ordinary person.Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Belle Fourche, SD
- Average high temperature in April: 52.9°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in April: 34.9°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).
Average pressure in April
Belle Fourche, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Belle Fourche, SD
- Average wind speed in April: 10.2mph
The windiest months (with the highest average wind speed) are January and October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in April
Belle Fourche, SD
- Average humidity in April: 66%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (47%).
Average rainfall in April
Belle Fourche, SD
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Belle Fourche, SD
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in April
Belle Fourche, SD
- Average snowfall in April: 4.88"
The month with the highest snowfall is April (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Belle Fourche, SD
- Average snowfall days in April: 5.1 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Belle Fourche, SD
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 9h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in April
Belle Fourche, SD
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is April (12.6 days).
Average UV index in April
Belle Fourche, 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, February, November and December (UV index 2).
Average cloud cover in April
Belle Fourche, SD
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in April
Belle Fourche, 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).
