Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The arrival of April in Pierre brings a temperature shift, with the average high-temperature escalating from a chilly 44.1°F (6.7°C) in March to a moderate 56.1°F (13.4°C). In April, the average low-temperature records at a cold 38.5°F (3.6°C) during the nights.Humidity
In April, the average relative humidity is 63%.Rainfall
In April, the rain falls for 10.8 days. Throughout April, 1.38" (35mm) of precipitation is accumulated. In Pierre, during the entire year, the rain falls for 98.5 days and collects up to 13.7" (348mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Pierre. In Pierre, during April, snow falls for 3.1 days and regularly aggregates up to 1.61" (41mm) of snow. Throughout the year, there are 41.4 snowfall days, and 13.07" (332mm) of snow is accumulated.Daylight
In Pierre, the average length of the day in April is 13h and 30min.On the first day of April, sunrise is at 7:20 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:44 pm CDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
In Pierre, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during April translates into the following guidance:
Act with care - The need to guard against sun damage is communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April in Pierre?
How many days does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Pierre have in April?
How high is the UV index in April?
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).
Average pressure in April
Pierre, SD
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
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).
Average humidity in April
Pierre, SD
- Average humidity in April: 63%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (52%).
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").
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).
Average snowfall in April
Pierre, SD
- Average snowfall in April: 1.61"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").
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).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Pierre, SD
- Average daylight in April: 13h and 3min
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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
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).
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).
The months with the lowest UV index are February and December (UV index 1).
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).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in April
Pierre, 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).
Pierre, South Dakota, USA
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