April weather forecast
Dallas, SD

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Weather in April

April in Dallas, South Dakota, is a moderate spring month, with an average temperature ranging between min 39.2°F (4°C) and max 56.7°F (13.7°C).

Temperature

Dallas experiences a temperature shift with the start of April, with average high-temperatures moving from a frosty 46.6°F (8.1°C) in March to a refreshing 56.7°F (13.7°C). Dallas registers a consistent average low-temperature of 39.2°F (4°C) during April.

Humidity

In April, the average relative humidity in Dallas is 65%.

Rainfall

In Dallas, in April, during 11.8 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in Dallas, South Dakota, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Dallas, during April, snow falls for 2.8 days and regularly aggregates up to 1.73" (44mm) of snow. In Dallas, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.

Daylight

In Dallas, the average length of the day in April is 13h and 26min.
On the first day of April, sunrise is at 7:18 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:38 pm CDT.

Sunshine

The average sunshine in April in Dallas, South Dakota, is 8h.

UV index

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 4 in April translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. 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. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Feb 14, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the temperatures in Dallas in April?

In Dallas, 56.7°F (13.7°C) is the average high-temperature and 39.2°F (4°C) is the average low-temperature during April.

What is the average humidity in April in Dallas?

The average relative humidity in April is 65%.

How many days does it rain in April in Dallas?

In Dallas, South Dakota, during April, the rain falls for 11.8 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How much does it snow in Dallas in April?

In Dallas, during April, snow falls for 2.8 days and regularly aggregates up to 1.73" (44mm) of snow.

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

In April, the average day length is 13h and 26min.

What time are sunrise and sunset in April in Dallas?

In April, on the first day of the month, sunrise is at 7:18 am and sunset at 8:05 pm. On the last day of the month, in Dallas, South Dakota, sunrise is at 6:31 am and sunset at 8:38 pm CDT.

How many hours of sunshine does Dallas have in April?

The average sunshine duration in April in Dallas is 8h.

What is the UV index intensity in April in Dallas?

In Dallas, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Dallas, SD

Average temperature in April - Dallas, SD
  • Average high temperature in April: 56.7°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in April: 39.2°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

Average pressure in April
Dallas, SD

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

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

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

Average humidity in April
Dallas, SD

Average humidity in April - Dallas, SD
  • Average humidity in April: 65%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).

Average rainfall in April
Dallas, SD

Average rainfall in April - Dallas, SD
  • Average rainfall in April: 1.77"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in April
Dallas, SD

Average rainfall days in April - Dallas, SD
  • Average rainfall days in April: 11.8 days

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).

Average snowfall in April
Dallas, SD

Average snowfall in April - Dallas, SD
  • Average snowfall in April: 1.73"

The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Dallas, SD

Average snowfall days in April - Dallas, SD
  • Average snowfall days in April: 2.8 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Dallas, SD
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in April: 8h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in April
Dallas, SD

Average sunshine days in April - Dallas, SD
  • Average sunshine days in April: 13.7 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in April
Dallas, SD

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

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

Average cloud cover in April
Dallas, SD

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

The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).

Average visibility in April
Dallas, SD

Average visibility in April - Dallas, 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).

Dallas, South Dakota, USA

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