April weather forecast
Belle Fourche, SD

Weather in April

April in Belle Fourche, South Dakota, is a cool spring month, with an average temperature ranging between max 52.9°F (11.6°C) and min 34.9°F (1.6°C).

Temperature

In Belle Fourche, South Dakota, the average high-temperature in April slightly increases from a chilly 44.2°F (6.8°C) in March to a fresh 52.9°F (11.6°C). The average low-temperature, in April, is 34.9°F (1.6°C).

Humidity

In April, the average relative humidity in Belle Fourche is 66%.

Rainfall

In April, in Belle Fourche, the rain falls for 12.3 days. Throughout April, 1.57" (40mm) of precipitation is accumulated. Throughout the year, in Belle Fourche, there are 100 rainfall days, and 12.83" (326mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. April is the month with the most snowfall in Belle Fourche. Snow falls for 5.1 days and accumulates 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 6:35 am and sunset at 7:22 pm. On the last day of April, in Belle Fourche, sunrise is at 5:46 am and sunset at 7:58 pm MDT.

Sunshine

In Belle Fourche, the average sunshine in April is 9.3h.

UV index

In Belle Fourche, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 3 in April transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in April in Belle Fourche?

In Belle Fourche, South Dakota, the average relative humidity in April is 66%.

How much does it rain in Belle Fourche in April?

In Belle Fourche, during April, the rain falls for 12.3 days and regularly aggregates up to 1.57" (40mm) of precipitation.

When does it snow the most in Belle Fourche?

The month with the most snowfall is April, when snow falls for 5.1 days and typically aggregates up to 4.88" (124mm) of snow.

How many days does it snow in April in Belle Fourche?

In Belle Fourche, South Dakota, in April, snow falls for 5.1 days, with typically accumulated 4.88" (124mm) of snow.

What is the average length of the day in April in Belle Fourche?

In Belle Fourche, the average day length in April is 13h and 31min.

When is the sunrise / sunset in April in Belle Fourche?

On the first day of April in Belle Fourche, sunrise is at 6:35 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:58 pm MDT.

How long on average sun shines in April in Belle Fourche?

In April, the average sunshine duration in Belle Fourche is 9.3h.

What is the UV index intensity in April in Belle Fourche?

In Belle Fourche, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Belle Fourche, SD

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).

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Average pressure in April
Belle Fourche, SD

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).

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Average wind speed in April
Belle Fourche, SD

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).

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Average humidity in April
Belle Fourche, SD

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%).

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Average rainfall in April
Belle Fourche, SD

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").

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Average rainfall days in April
Belle Fourche, SD

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).

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Average snowfall in April
Belle Fourche, SD

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").

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Average snowfall days in April
Belle Fourche, SD

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).

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Average daylight in April /
Average sunshine in April
Belle Fourche, SD

Average daylight in April / Average sunshine in April - Belle Fourche, SD
  • Average daylight in April: 13h and 31min

The month with the longest days is June (Average daylight: 15h and 31min).
The month with the shortest days is December (Average daylight: 8h and 53min).

  • 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).

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Average sunshine days in April
Belle Fourche, SD

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).

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Average UV index in April
Belle Fourche, SD

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).

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Average cloud cover in April
Belle Fourche, SD

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).

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Average visibility in April
Belle Fourche, SD

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).

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