April weather forecast and climate
Pierre, SD

The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park
The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park

Weather in April

April is a mild spring month in Pierre, South Dakota, with temperature in the range of an average high of 56.1°F (13.4°C) and an average low of 38.5°F (3.6°C).

Temperature

In April, the average high-temperature rises, from a chilly 44.1°F (6.7°C) in March, to a mild 56.1°F (13.4°C). In April, in Pierre, the average low-temperature is 38.5°F (3.6°C).

Humidity

In April, the average relative humidity in Pierre is 63%.

Rainfall

In Pierre, South Dakota, it is raining for 10.8 days, with typically 1.38" (35mm) of accumulated precipitation. In Pierre, during the entire year, the rain falls for 98.5 days and collects up to 13.7" (348mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In April, it is snowing for 3.1 days. Throughout April, 1.61" (41mm) of snow is accumulated. Throughout the year, in Pierre, there are 41.4 snowfall days, and 13.07" (332mm) of snow is accumulated.

Daylight

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

Sunshine

In April, the average sunshine is 8.1h.

UV index

In April, the average daily maximum UV index in Pierre is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 3 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 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 temperature in April in Pierre?

The average high-temperature, in April, in Pierre, is 56.1°F (13.4°C), while the average low-temperature is 38.5°F (3.6°C).

What is the average humidity in April in Pierre?

In April, the average relative humidity is 63%.

How many days does it rain in April in Pierre?

In Pierre, South Dakota, during April, the rain falls for 10.8 days and regularly aggregates up to 1.38" (35mm) of precipitation.

How many days does it snow in April in Pierre?

In April, it is snowing for 3.1 days. Throughout April, 1.61" (41mm) of snow is accumulated.

What is the average length of the day in April in Pierre?

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

How many hours of sunshine does Pierre have in April?

In Pierre, South Dakota, the average sunshine in April is 8.1h.

How high is the UV index in April in Pierre?

The average daily maximum UV index in April in Pierre is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in April
Pierre, SD

Average temperature in April - Pierre, SD
  • Average high temperature in April: 56.1°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in April: 38.5°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in April
Pierre, SD

Average pressure in April - Pierre, SD
  • Average pressure in April: 29.94"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in April
Pierre, SD

Average wind speed in April - Pierre, SD
  • Average wind speed in April: 11.9mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are February and August (9.9mph).

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Average humidity in April
Pierre, SD

Average humidity in April - Pierre, SD
  • Average humidity in April: 63%

The month with the highest relative humidity is January (85%).
Months with the lowest relative humidity are August and September (52%).

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Average rainfall in April
Pierre, SD

Average rainfall in April - Pierre, SD
  • Average rainfall in April: 1.38"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in April
Pierre, SD

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

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall in April
Pierre, SD

Average snowfall in April - Pierre, SD
  • Average snowfall in April: 1.61"

The month with the highest snowfall is February (3.66").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Pierre, SD

Average snowfall days in April - Pierre, SD
  • Average snowfall days in April: 3.1 days

The month with the highest number of snowfall days is February (10 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in April: 8.1h

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 4.6h).

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Average sunshine days in April
Pierre, SD

Average sunshine days in April - Pierre, SD
  • Average sunshine days in April: 14.3 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is June (13.7 days).

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Average UV index in April
Pierre, SD

Average UV index in April - Pierre, SD
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in April
Pierre, SD

Average cloud cover in April - Pierre, SD
  • Average cloud cover in April: 41

The month with the most cloud cover is January (Cloud cover 50).
Months with the least cloud cover are July and August (Cloud cover 19).

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Average visibility in April
Pierre, SD

Average visibility in April - Pierre, 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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