July weather forecast
South Yankton, NE

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Weather in July

July, like June, in South Yankton, Nebraska, is a moderately hot summer month, with an average temperature fluctuating between 64.9°F (18.3°C) and 84.9°F (29.4°C).

Temperature

In South Yankton, July is the warmest month, with temperatures averaging a high of 84.9°F (29.4°C) and a low of 64.9°F (18.3°C).

Heat index

The heat index value for July is computed to be a tropical 93.2°F (34°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In South Yankton, Nebraska, the average relative humidity in July is 71%.

Rainfall

In South Yankton, during July, the rain falls for 13.4 days and regularly aggregates up to 2.24" (57mm) of precipitation. In South Yankton, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) of precipitation.

Snowfall

In South Yankton, snow does not fall in June through September.

Daylight

In July, the average length of the day is 14h and 58min.
On the first day of the month, sunrise is at 5:55 am and sunset at 9:12 pm. On the last day of July, sunrise is at 6:20 am and sunset at 8:51 pm CDT.

Sunshine

With an average of 10.8h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

The warmest temperatures occur during July, when averages reach a peak of 84.9°F (29.4°C) and a low of 64.9°F (18.3°C).

How hot is it in July?

The high-temperature, in July, in South Yankton, is 84.9°F (29.4°C), while the low-temperature averages to 64.9°F (18.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 93.2°F (34°C).

What is the average humidity in July in South Yankton?

The average relative humidity in July is 71%.

How many days does it rain in July?

In July, the rain falls for 13.4 days. Throughout July, 2.24" (57mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in July?

In South Yankton, the average day length in July is 14h and 58min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:55 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:51 pm CDT.

What month has the most sunshine?

With an average of 10.8h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July?

The average sunshine duration in July is 10.8h.

What are the months with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index reading in July?

In South Yankton, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
South Yankton, NE

Average temperature in July - South Yankton, NE
  • Average high temperature in July: 84.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in July: 64.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in July
South Yankton, NE

Average pressure in July - South Yankton, NE
  • Average pressure in July: 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 July
South Yankton, NE

Average wind speed in July - South Yankton, NE
  • Average wind speed in July: 7.9mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

Average humidity in July
South Yankton, NE

Average humidity in July - South Yankton, NE
  • Average humidity in July: 71%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).

Average rainfall in July
South Yankton, NE

Average rainfall in July - South Yankton, NE
  • Average rainfall in July: 2.24"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").

Average rainfall days in July
South Yankton, NE

Average rainfall days in July - South Yankton, NE
  • Average rainfall days in July: 13.4 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in July
South Yankton, NE

Average snowfall in July - South Yankton, NE
  • Average snowfall in July: 0"

The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
South Yankton, NE

Average snowfall days in July - South Yankton, NE
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
South Yankton, NE

Average daylight in July / Average sunshine in July - South Yankton, NE
  • Average daylight in July: 15h and 0min

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 July: 10h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in July
South Yankton, NE

Average sunshine days in July - South Yankton, NE
  • Average sunshine days in July: 13 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in July
South Yankton, NE

Average UV index in July - South Yankton, NE
  • Average UV index in July: 6

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

Average cloud cover in July
South Yankton, NE

Average cloud cover in July - South Yankton, NE
  • Average cloud cover in July: 25

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in July
South Yankton, NE

Average visibility in July - South Yankton, NE
  • Average visibility in July: 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).

South Yankton, Nebraska, USA

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