April weather forecast
Marty, SD

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Weather in April

April is a moderate spring month in Marty, South Dakota, with an average temperature fluctuating between 39.7°F (4.3°C) and 57.7°F (14.3°C).

Temperature

April's onset brings a temperature rise, moving from a frosty 46.9°F (8.3°C) in March to a moderate 57.7°F (14.3°C). During the month of April, an average temperature of 39.7°F (4.3°C) is noted during the nights.

Humidity

In Marty, the average relative humidity in April is 67%.

Rainfall

In Marty, in April, it is raining for 10.8 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 104.1 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.8 snowfall days, in April, Marty aggregates 0.75" (19mm) of snow. Throughout the year, there are 32.8 snowfall days, and 8.35" (212mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 26min.
On the first day of April, sunrise is at 7:14 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:34 pm CDT.

Sunshine

In Marty, the average sunshine in April is 8.1h.

UV index

In Marty, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 4 during April translates into the following directions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Marty in April?

During April, Marty experiences an average high-temperature of 57.7°F (14.3°C) and a low-temperature of 39.7°F (4.3°C).

What is the average humidity in April?

The average relative humidity in April is 67%.

How many days does it rain in April?

In Marty, in April, during 10.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

What is the last month it snows in Marty?

April is the last month it regularly snows in Marty. During 1.8 snowfall days, in April, Marty aggregates 0.75" (19mm) of snow.

How many hours of daylight does Marty have in April?

The average day length in April is 13h and 26min.

What time are sunrise and sunset in April?

On the first day of April, sunrise is at 7:14 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:34 pm CDT.

How long on average sun shines in April?

In April, the average sunshine duration is 8.1h.

How high is the UV index in April?

In Marty, 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
Marty, SD

Average temperature in April - Marty, SD
  • Average high temperature in April: 57.7°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in April: 39.7°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in April
Marty, SD

Average pressure in April - Marty, 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 (29.85"Hg).

Average wind speed in April
Marty, SD

Average wind speed in April - Marty, SD
  • Average wind speed in April: 11.1mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in April
Marty, SD

Average humidity in April - Marty, SD
  • Average humidity in April: 67%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

Average rainfall in April
Marty, SD

Average rainfall in April - Marty, SD
  • Average rainfall in April: 1.42"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

Average rainfall days in April
Marty, SD

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

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in April
Marty, SD

Average snowfall in April - Marty, SD
  • Average snowfall in April: 0.75"

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Marty, SD

Average snowfall days in April - Marty, SD
  • Average snowfall days in April: 1.8 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Marty, 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 6min).

  • Average sunshine in April: 8h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in April
Marty, SD

Average sunshine days in April - Marty, SD
  • Average sunshine days in April: 15.4 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in April
Marty, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in April
Marty, SD

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

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

Average visibility in April
Marty, SD

Average visibility in April - Marty, 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).

Marty, South Dakota, USA

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