Pierre
South Dakota, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Pierre, SD

The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park, reflected in the waterfront
The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park, reflected in the waterfront
April in Pierre, South Dakota, is a mild spring month, with temperature in the range of an average high of 59°F (15°C) and an average low of 33.8°F (1°C).

Temperature

In Pierre, the average high-temperature in April significantly increases, from a chilly 42.8°F (6°C) in March, to a mild 59°F (15°C). In Pierre, South Dakota, the average low-temperature is 33.8°F (1°C).

Rainfall

In Pierre, in April, during 9 rainfall days, 1.6" (40mm) of precipitation is typically accumulated. In Pierre, during the entire year, the rain falls for 87 days and collects up to 14.9" (379mm) of precipitation.

Daylight

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

Sunshine

The average sunshine in Pierre is 8h.

UV index

In Pierre, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in April in Pierre?

In Pierre, in April, the average high-temperature is 59°F (15°C), and the average low-temperature is 33.8°F (1°C).

How much does it rain in Pierre in April?

In Pierre, South Dakota, in April, during 9 rainfall days, 1.6" (40mm) of precipitation is typically accumulated.

How many hours of daylight does Pierre have in April?

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

How many hours of sunshine does Pierre have in April?

In Pierre, South Dakota, the average sunshine in April is 8h.

How high is the UV index in April in Pierre?

In Pierre, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in April - Pierre, SD
  • Average high temperature in April: 59°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in April: 34°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (7°F).

Average rainfall in April - Pierre, SD
  • Average rainfall in April: 1.6"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the lowest rainfall) is January (0.2").

Average rainfall days in April - Pierre, SD
  • Average rainfall days in April: 9 days

Months with the highest number of rainy days are May and June (10 days).
Months with the lowest number of rainy days are October and November (5 days).

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 shortest days is December (Average daylight: 8.9h).

  • Average sunshine in April: 8h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are November and December (Average sunshine: 5).

Average UV index in April - Pierre, SD
  • Average UV index in April: 5

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).