July weather forecast
Marty, SD

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Weather in July

July in Marty, South Dakota, is a hot summer month, with an average temperature varying between 65.7°F (18.7°C) and 86.5°F (30.3°C).

Temperature

July is the month that records the highest temperatures, with averages ranging from a high of 86.5°F (30.3°C) to a low of 65.7°F (18.7°C).

Heat index

The heat index for July is estimated at a sweltering 95°F (35°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 are particularly important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The average relative humidity in July in Marty is 67%.

Rainfall

In Marty, South Dakota, during July, the rain falls for 12.4 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 104.1 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

In Marty, snow does not fall in May through September.

Daylight

The average length of the day in July is 14h and 59min.
On the first day of the month, sunrise is at 5:58 am and sunset at 9:16 pm. On the last day of July, sunrise is at 6:24 am and sunset at 8:55 pm CDT.

Sunshine

The month with the most sunshine in Marty, South Dakota, is July, with an average of 11.1h of sunshine.

UV index

The months with the highest UV index in Marty are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What is the hottest time of year in Marty?

Marty's warmest month, July, registers temperatures that range from a high of 86.5°F (30.3°C) to a low of 65.7°F (18.7°C).

How hot is it in Marty in July?

The average high-temperature and low-temperature during July are 86.5°F (30.3°C) and 65.7°F (18.7°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 95°F (35°C).

What is the average humidity in July in Marty?

The average relative humidity in July in Marty is 67%.

How many days does it rain in July in Marty?

In July, in Marty, South Dakota, the rain falls for 12.4 days. Throughout July, 1.73" (44mm) of precipitation is accumulated.

When it does not snow in Marty?

In Marty, snow does not fall in May through September.

How many hours of daylight does Marty have in July?

In July, the average day length in Marty, South Dakota, is 14h and 59min.

When is the sunrise / sunset in July in Marty?

In July, on the first day of the month, sunrise is at 5:58 am and sunset at 9:16 pm. On the last day of the month, in Marty, South Dakota, sunrise is at 6:24 am and sunset at 8:55 pm CDT.

What month has the most sunshine in Marty?

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

How long on average sun shines in July in Marty?

In Marty, the average sunshine duration in July is 11.1h.

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

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

What is the UV index intensity in July in Marty?

In July, the average daily maximum UV index in Marty, South Dakota, 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
Marty, SD

Average temperature in July - Marty, SD
  • Average high temperature in July: 86.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in July: 65.7°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in July
Marty, SD

Average pressure in July - Marty, SD
  • Average pressure in July: 29.92"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).

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Average wind speed in July
Marty, SD

Average wind speed in July - Marty, SD
  • Average wind speed in July: 8.3mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in July
Marty, SD

Average humidity in July - Marty, SD
  • Average humidity in July: 67%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

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Average rainfall in July
Marty, SD

Average rainfall in July - Marty, SD
  • Average rainfall in July: 1.73"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

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Average rainfall days in July
Marty, SD

Average rainfall days in July - Marty, SD
  • Average rainfall days in July: 12.4 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall in July
Marty, SD

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

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in July
Marty, SD

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

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Marty, SD
  • 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: 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: 4h and 42min).

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Average sunshine days in July
Marty, SD

Average sunshine days in July - Marty, SD
  • Average sunshine days in July: 14.6 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in July
Marty, SD

Average UV index in July - Marty, 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
Marty, SD

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

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

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Average visibility in July
Marty, SD

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

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