April weather forecast
Summit, SD

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Weather in April

April is a cool spring month in Summit, South Dakota, with temperature in the range of an average high of 52.5°F (11.4°C) and an average low of 36.5°F (2.5°C).

Temperature

As April arrives, a rise in the average high-temperature is observed, moving from a wintry 38.5°F (3.6°C) in March to a fresh 52.5°F (11.4°C). Summit experiences an average nighttime temperature of 36.5°F (2.5°C) in the month of April.

Humidity

In April, the average relative humidity is 68%.

Rainfall

In Summit, South Dakota, during April, the rain falls for 12.2 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Summit, during the entire year, the rain falls for 115.2 days and collects up to 19.88" (505mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Summit, in April, snow falls for 3.8 days, with typically accumulated 1.81" (46mm) of snow. Throughout the year, there are 58.8 snowfall days, and 20.39" (518mm) of snow is accumulated.

Daylight

In Summit, the average length of the day in April is 13h and 33min.
On the first day of April, sunrise is at 7:06 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:33 pm CDT.

Sunshine

In April, the average sunshine is 7.7h.

UV index

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during April leads to these advisories:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

In Summit, 52.5°F (11.4°C) is the average high-temperature and 36.5°F (2.5°C) is the average low-temperature during April.

What is the average humidity in April?

In Summit, the average relative humidity in April is 68%.

How many days does it rain in April?

In Summit, in April, it is raining for 12.2 days, with typically 1.69" (43mm) of accumulated precipitation.

How many days does it snow in April?

In Summit, during April, snow falls for 3.8 days and regularly aggregates up to 1.81" (46mm) of snow.

What is the average length of the day in April?

In Summit, the average day length in April is 13h and 33min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 7:06 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:33 pm CDT.

How many hours of sunshine does Summit have in April?

In April, the average sunshine duration is 7.7h.

What is the UV index intensity in April?

In Summit, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Summit, SD

Average temperature in April - Summit, SD
  • Average high temperature in April: 52.5°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (19.6°F).

  • Average low temperature in April: 36.5°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).

Average pressure in April
Summit, SD

Average pressure in April - Summit, SD
  • Average pressure in April: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in April
Summit, SD

Average wind speed in April - Summit, SD
  • Average wind speed in April: 10.7mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in April
Summit, SD

Average humidity in April - Summit, SD
  • Average humidity in April: 68%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (66%).

Average rainfall in April
Summit, SD

Average rainfall in April - Summit, SD
  • Average rainfall in April: 1.69"

The wettest month (with the highest rainfall) is June (3.11").
The driest months (with the least rainfall) are January and February (0.63").

Average rainfall days in April
Summit, SD

Average rainfall days in April - Summit, SD
  • Average rainfall days in April: 12.2 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in April
Summit, SD

Average snowfall in April - Summit, SD
  • Average snowfall in April: 1.81"

The month with the highest snowfall is December (4.49").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Summit, SD

Average snowfall days in April - Summit, SD
  • Average snowfall days in April: 3.8 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Summit, SD
  • Average daylight in April: 13h and 3min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in April: 7h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in April
Summit, SD

Average sunshine days in April - Summit, SD
  • Average sunshine days in April: 13.3 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (9.6 days).

Average UV index in April
Summit, SD

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in April
Summit, SD

Average cloud cover in April - Summit, SD
  • Average cloud cover in April: 46

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 25).

Average visibility in April
Summit, SD

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

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Summit, South Dakota, USA

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