April weather forecast
Bonesteel, SD

Weather in April

April in Bonesteel, South Dakota, is a mild spring month, with temperature in the range of an average high of 57.7°F (14.3°C) and an average low of 39.7°F (4.3°C).

Temperature

In Bonesteel, the average high-temperature in April increases, from a chilly 46.9°F (8.3°C) in March, to a mild 57.7°F (14.3°C). In April, in Bonesteel, the average low-temperature is 39.7°F (4.3°C).

Humidity

In Bonesteel, South Dakota, the average relative humidity is 67%.

Rainfall

In Bonesteel, during 10.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, in Bonesteel, there are 104.1 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Bonesteel are January through April, October through December. April is the last month it regularly snows in Bonesteel, South Dakota. During 1.8 snowfall days, in April, Bonesteel aggregates 0.75" (19mm) of snow. Throughout the year, in Bonesteel, there are 32.8 snowfall days, and 8.35" (212mm) of snow is accumulated.

Daylight

The average length of the day in April is 13.5h.

Sunshine

The average sunshine is 8.1h.

UV index

In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Bonesteel?

In April, the average relative humidity in Bonesteel is 67%.

How much does it rain in Bonesteel in April?

In Bonesteel, in April, it is raining for 10.8 days, with typically 1.42" (36mm) of accumulated precipitation.

What is the last month it snows in Bonesteel?

April is the last month it regularly snows. During 1.8 snowfall days, in April, Bonesteel aggregates 0.75" (19mm) of snow.

How many hours of daylight does Bonesteel have in April?

In Bonesteel, the average length of the day in April is 13.5h.

How many hours of sunshine does Bonesteel have in April?

The average sunshine in April is 8.1h.

What is the UV index reading in April in Bonesteel?

The average daily maximum UV index in April in Bonesteel, South Dakota, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in April
Bonesteel, SD

Average temperature in April - Bonesteel, SD
  • Average high temperature in April: 57.7°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in April: 39.7°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in April
Bonesteel, SD

Average pressure in April - Bonesteel, SD
  • Average pressure in April: 29.93"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in April
Bonesteel, SD

Average wind speed in April - Bonesteel, SD
  • Average wind speed in April: 11.1mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in April
Bonesteel, SD

Average humidity in April - Bonesteel, SD
  • Average humidity in April: 67%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

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Average rainfall in April
Bonesteel, SD

Average rainfall in April - Bonesteel, SD
  • Average rainfall in April: 1.42"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

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Average rainfall days in April
Bonesteel, SD

Average rainfall days in April - Bonesteel, SD
  • Average rainfall days in April: 10.8 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall in April
Bonesteel, SD

Average snowfall in April - Bonesteel, SD
  • Average snowfall in April: 0.75"

Months with the highest snowfall are January and March (1.93").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Bonesteel, SD

Average snowfall days in April - Bonesteel, SD
  • Average snowfall days in April: 1.8 days

The month with the highest number of snowfall days is January (8.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Bonesteel, SD

Average daylight in April / Average sunshine in April - Bonesteel, SD
  • Average daylight in April: 13.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in April: 8.1h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 4.7h).

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Average sunshine days in April
Bonesteel, SD

Average sunshine days in April - Bonesteel, SD
  • Average sunshine days in April: 15.4 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in April
Bonesteel, SD

Average UV index in April - Bonesteel, SD
  • Average UV index in April: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Bonesteel, SD

Average cloud cover in April - Bonesteel, SD
  • Average cloud cover in April: 42

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

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Average visibility in April
Bonesteel, SD

Average visibility in April - Bonesteel, SD
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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