July weather forecast
Plana, SD

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Weather in July

July, like June, in Plana, South Dakota, is a moderately hot summer month, with an average temperature ranging between max 84.7°F (29.3°C) and min 63.1°F (17.3°C).

Temperature

July stands out as Plana's warmest month, with an average high-temperature of 84.7°F (29.3°C) and a low-temperature of 63.1°F (17.3°C).

Heat index

For most parts of July, the heat index is computed to be a hot 89.6°F (32°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

The average relative humidity in July is 65%.

Rainfall

In Plana, in July, during 12.2 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, in Plana, South Dakota, there are 97.2 rainfall days, and 18.35" (466mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in July is 15h and 16min.
On the first day of July, sunrise is at 5:48 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 9:02 pm CDT.

Sunshine

July has the most sunshine of the year, with an average of 11.1h of sunshine.

UV index

The months with the highest UV index 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 unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 during July leads to these advisories:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What are the warmest months in Plana?

Plana, South Dakota, experiences its highest temperatures in July, with an average peak of 84.7°F (29.3°C) and a low of 63.1°F (17.3°C).

Is it hot in Plana during July?

The average high-temperature, in July, in Plana, is 84.7°F (29.3°C), while the average low-temperature is 63.1°F (17.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in July is computed to be 89.6°F (32°C).

What is the average humidity in July in Plana?

In Plana, the average relative humidity in July is 65%.

How many days does it rain in July in Plana?

In July, in Plana, the rain falls for 12.2 days. Throughout July, 2.6" (66mm) of precipitation is accumulated.

When it does not snow in Plana?

In Plana, snow does not fall in June through September.

How many hours of daylight does Plana have in July?

In July, the average day length in Plana is 15h and 16min.

What time are sunrise and sunset in July in Plana?

On the first day of July in Plana, South Dakota, sunrise is at 5:48 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 9:02 pm CDT.

What month has the most sunshine in Plana?

July has the most sunshine of the year in Plana, South Dakota, with an average of 11.1h of sunshine.

How long on average sun shines in July in Plana?

In July, the average sunshine duration is 11.1h.

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

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

How high is the UV index in July in Plana?

The average daily maximum UV index in July in Plana, South Dakota, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Plana, SD

Average temperature in July - Plana, SD
  • Average high temperature in July: 84.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in July: 63.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

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Average pressure in July
Plana, SD

Average pressure in July - Plana, SD
  • Average pressure in July: 29.91"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in July
Plana, SD

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

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Average humidity in July
Plana, SD

Average humidity in July - Plana, SD
  • Average humidity in July: 65%

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

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Average rainfall in July
Plana, SD

Average rainfall in July - Plana, SD
  • Average rainfall in July: 2.6"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in July
Plana, SD

Average rainfall days in July - Plana, SD
  • Average rainfall days in July: 12.2 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

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Average snowfall in July
Plana, SD

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

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Plana, SD

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

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Plana, SD
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in July: 11h 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: 3h and 54min).

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Average sunshine days in July
Plana, SD

Average sunshine days in July - Plana, SD
  • Average sunshine days in July: 16.8 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

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Average UV index in July
Plana, SD

Average UV index in July - Plana, 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 and November (UV index 1).

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Average cloud cover in July
Plana, SD

Average cloud cover in July - Plana, SD
  • Average cloud cover in July: 23

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

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Average visibility in July
Plana, SD

Average visibility in July - Plana, 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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Plana, South Dakota, USA

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