July weather forecast
Gary, SD

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Weather in July

July, like June, in Gary, South Dakota, is another warm summer month, with an average temperature varying between 62.1°F (16.7°C) and 81.1°F (27.3°C).

Temperature

July, noted for its average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 62.1°F (16.7°C), is considered the warmest month.

Heat index

In July, the heat index is estimated at a hot 86°F (30°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital 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

In Gary, the average relative humidity in July is 75%.

Rainfall

July is the month with the most rainfall. Rain falls for 13.2 days and accumulates 2.56" (65mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 15h and 11min.
On the first day of July, sunrise is at 5:44 am and sunset at 9:15 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:52 pm CDT.

Sunshine

July has the most sunshine of the year, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

What time of the year is the hottest?

July, on average, is the warmest month, registering a high temperature of 81.1°F (27.3°C) and a low of 62.1°F (16.7°C).

What is the average July temperature?

In Gary, 81.1°F (27.3°C) is the average high-temperature and 62.1°F (16.7°C) is the average low-temperature during July. The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in July is estimated at 86°F (30°C).

What is the average humidity in July?

In July, the average relative humidity is 75%.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 13.2 days and accumulates 2.56" (65mm) of precipitation.

How much does it rain in July?

In Gary, in July, during 13.2 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in July?

In Gary, the average day length in July is 15h and 11min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:44 am and sunset at 9:15 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:52 pm CDT.

What month has the most sunshine?

The month with the most sunshine in Gary is July, with an average of 10.6h of sunshine.

How long on average sun shines in July?

In Gary, South Dakota, the average sunshine duration in July is 10.6h.

What are the months with the highest UV index?

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

How high is the UV index in July?

In Gary, the average daily maximum UV index in July is 6. A UV Index 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
Gary, SD

Average temperature in July - Gary, SD
  • Average high temperature in July: 81.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.5°F).

  • Average low temperature in July: 62.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).

Average pressure in July
Gary, SD

Average pressure in July - Gary, SD
  • Average pressure in July: 29.93"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in July
Gary, SD

Average wind speed in July - Gary, SD
  • Average wind speed in July: 8mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in July
Gary, SD

Average humidity in July - Gary, SD
  • Average humidity in July: 75%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).

Average rainfall in July
Gary, SD

Average rainfall in July - Gary, SD
  • Average rainfall in July: 2.56"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in July
Gary, SD

Average rainfall days in July - Gary, SD
  • Average rainfall days in July: 13.2 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (1.7 days).

Average snowfall in July
Gary, SD

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

The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Gary, SD

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

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Gary, 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: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in July
Gary, SD

Average sunshine days in July - Gary, SD
  • Average sunshine days in July: 15.2 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in July
Gary, SD

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in July
Gary, SD

Average cloud cover in July - Gary, SD
  • Average cloud cover in July: 27

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in July
Gary, SD

Average visibility in July - Gary, 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).

Gary, South Dakota, USA

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