July weather forecast
Nisland, SD

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Weather in July

July, the same as June, is a moderately hot summer month in Nisland, South Dakota, with an average temperature fluctuating between 85.8°F (29.9°C) and 63°F (17.2°C).

Temperature

The warmest period is July, when temperatures fluctuate between an average high of 85.8°F (29.9°C) and a low of 63°F (17.2°C).

Heat index

The heat index in July is estimated at a tropical 87.8°F (31°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The average relative humidity in July in Nisland is 49%.

Rainfall

In Nisland, during July, the rain falls for 11.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, in Nisland, there are 100 rainfall days, and 12.83" (326mm) of precipitation is accumulated.

Snowfall

In Nisland, snow does not fall in June through August.

Daylight

In Nisland, South Dakota, the average length of the day in July is 15h and 10min.
On the first day of the month, sunrise is at 5:13 am and sunset at 8:43 pm. On the last day of July, sunrise is at 5:40 am and sunset at 8:20 pm MDT.

Sunshine

In July, the average sunshine is 11.8h.

UV index

The months with the highest UV index in Nisland are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, the maximum UV index of 6 translates into these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What time of the year is the hottest in Nisland?

The month of July sees the average highest temperatures in Nisland, reaching 85.8°F (29.9°C) at the peak and 63°F (17.2°C) at the low.

Is it hot in Nisland during July?

The high-temperature, in July, in Nisland, is 85.8°F (29.9°C), while the low-temperature averages to 63°F (17.2°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in July in Nisland?

In July, the average relative humidity is 49%.

How much does it rain in Nisland in July?

In Nisland, South Dakota, in July, it is raining for 11.8 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow in Nisland?

In Nisland, snow does not fall in June through August.

What is the average length of the day in July in Nisland?

The average day length in July in Nisland, South Dakota, is 15h and 10min.

What time are sunrise and sunset in July in Nisland?

On the first day of July in Nisland, South Dakota, sunrise is at 5:13 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:20 pm MDT.

How many hours of sunshine does Nisland have in July?

In July, the average sunshine duration in Nisland, South Dakota, is 11.8h.

What is the month with the highest UV index in Nisland?

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

How high is the UV index in July in Nisland?

In July, the average daily maximum UV index in Nisland, South Dakota, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
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
Nisland, SD

Average temperature in July - Nisland, 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 December (30.4°F).

  • Average low temperature in July: 63°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).

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Average pressure in July
Nisland, SD

Average pressure in July - Nisland, SD
  • Average pressure in July: 29.89"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in July
Nisland, SD

Average wind speed in July - Nisland, SD
  • Average wind speed in July: 8.4mph

The windiest months (with the highest average wind speed) are January and October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

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Average humidity in July
Nisland, SD

Average humidity in July - Nisland, SD
  • Average humidity in July: 49%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in July
Nisland, SD

Average rainfall in July - Nisland, SD
  • Average rainfall in July: 1.57"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in July
Nisland, SD

Average rainfall days in July - Nisland, SD
  • Average rainfall days in July: 11.8 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (2.8 days).

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Average snowfall in July
Nisland, SD

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

The month with the highest snowfall is April (4.88").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in July
Nisland, SD

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

The month with the highest number of snowfall days is February (10.3 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
Nisland, SD

Average daylight in July / Average sunshine in July - Nisland, 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 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days in July
Nisland, SD

Average sunshine days in July - Nisland, SD
  • Average sunshine days in July: 14.2 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is April (12.6 days).

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Average UV index in July
Nisland, SD

Average UV index in July - Nisland, SD
  • Average UV index in July: 6

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).

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Average cloud cover in July
Nisland, SD

Average cloud cover in July - Nisland, SD
  • Average cloud cover in July: 17

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in July
Nisland, SD

Average visibility in July - Nisland, SD
  • 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).

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Nisland, South Dakota, USA

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