July weather forecast
Stephan, SD

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Weather in July

July, like June, in Stephan, South Dakota, is another warm summer month, with an average temperature fluctuating between 64.6°F (18.1°C) and 85.8°F (29.9°C).

Temperature

July, with its average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 64.6°F (18.1°C), holds the record as the warmest month.

Heat index

The heat index value for July is evaluated at a hot 91.4°F (33°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Consider that heat index readings are for situations in the shade and light wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in July in Stephan is 63%.

Rainfall

July is the month with the most rainfall. Rain falls for 12.7 days and accumulates 3.07" (78mm) of precipitation.

Snowfall

June through September are months without snowfall in Stephan.

Daylight

In July, the average length of the day in Stephan is 15h and 7min.
On the first day of July, sunrise is at 5:58 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 9:03 pm CDT.

Sunshine

With an average of 11h of sunshine, July has the most sunshine of the year in Stephan.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 6 during July morphs into the following directions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What is the warmest month in Stephan?

The warmest temperatures in Stephan, South Dakota, occur during July, when averages reach a peak of 85.8°F (29.9°C) and a low of 64.6°F (18.1°C).

How hot does it get in Stephan in July?

During July, Stephan experiences an average high-temperature of 85.8°F (29.9°C) and a low-temperature of 64.6°F (18.1°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 91.4°F (33°C).

What is the average humidity in July in Stephan?

The average relative humidity in July in Stephan, South Dakota, is 63%.

What is the rainiest month in Stephan?

July is the month with the most rainfall in Stephan. Rain falls for 12.7 days and accumulates 3.07" (78mm) of precipitation.

How many days does it rain in July in Stephan?

In July, in Stephan, South Dakota, the rain falls for 12.7 days. Throughout July, 3.07" (78mm) of precipitation is accumulated.

When it does not snow in Stephan?

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

How many hours of daylight does Stephan have in July?

In July, the average day length in Stephan is 15h and 7min.

What time are sunrise and sunset in July in Stephan?

In July, on the first day of the month, sunrise is at 5:58 am and sunset at 9:25 pm. On the last day of the month, in Stephan, South Dakota, sunrise is at 6:25 am and sunset at 9:03 pm CDT.

What month has the most sunshine in Stephan?

With an average of 11h of sunshine, July has the most sunshine of the year in Stephan.

How long on average sun shines in July in Stephan?

In July, the average sunshine duration is 11h.

What are the months with the highest UV index in Stephan?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Stephan, South Dakota.

What is the UV index intensity in July in Stephan?

In Stephan, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe 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
Stephan, SD

Average temperature in July - Stephan, SD
  • Average high temperature in July: 85.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in July: 64.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

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Average pressure in July
Stephan, SD

Average pressure in July - Stephan, SD
  • Average pressure in July: 29.9"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in July
Stephan, SD

Average wind speed in July - Stephan, SD
  • Average wind speed in July: 9mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

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Average humidity in July
Stephan, SD

Average humidity in July - Stephan, SD
  • Average humidity in July: 63%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).

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Average rainfall in July
Stephan, SD

Average rainfall in July - Stephan, SD
  • Average rainfall in July: 3.07"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in July
Stephan, SD

Average rainfall days in July - Stephan, SD
  • Average rainfall days in July: 12.7 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in July
Stephan, SD

Average snowfall in July - Stephan, SD
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Stephan, SD

Average snowfall days in July - Stephan, SD
  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are January and February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in July /
Average sunshine in July
Stephan, SD

Average daylight in July / Average sunshine in July - Stephan, SD
  • Average daylight in July: 15h and 1min

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 July: 11h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in July
Stephan, SD

Average sunshine days in July - Stephan, SD
  • Average sunshine days in July: 15.6 days

The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is June (12.4 days).

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Average UV index in July
Stephan, SD

Average UV index in July - Stephan, SD
  • 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 February (UV index 1).

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Average cloud cover in July
Stephan, SD

Average cloud cover in July - Stephan, SD
  • Average cloud cover in July: 24

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 24).

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Average visibility in July
Stephan, SD

Average visibility in July - Stephan, SD
  • Average visibility in July: 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).

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Stephan, South Dakota, USA

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