July weather forecast
Marlow, SD

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Weather in July

July, like June, in Marlow, South Dakota, is a moderately hot summer month, with an average temperature varying between 81.7°F (27.6°C) and 61.9°F (16.6°C).

Temperature

July is the month when Marlow sees the highest average temperatures, with a high of 81.7°F (27.6°C) and a low of 61.9°F (16.6°C).

Heat index

July's average heat index is estimated at a tropical 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Note that heat index values are valued for light wind and location in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

In July, the average relative humidity is 71%.

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.

Daylight

The average length of the day in July is 15h and 19min.
On the first day of July, sunrise is at 5:43 am and sunset at 9:23 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:59 pm CDT.

Sunshine

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

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

What are the warmest months?

In Marlow, the average temperatures in July are the highest, with a peak at 81.7°F (27.6°C) and a low of 61.9°F (16.6°C).

What are July temperatures in Marlow?

During July, Marlow experiences an average high-temperature of 81.7°F (27.6°C) and a low-temperature of 61.9°F (16.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in July is estimated at 86°F (30°C).

What is the average humidity in July?

In July, the average relative humidity is 71%.

What is the rainiest month?

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

How many days does it rain in July?

In Marlow, in July, it is raining for 12.7 days, with typically 3.07" (78mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Marlow have in July?

In July, the average day length is 15h and 19min.

When are sunrise and sunset in July in Marlow?

On the first day of July, sunrise is at 5:43 am and sunset at 9:23 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:59 pm CDT.

What month has the most sunshine?

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

How many hours of sunshine does Marlow have in July?

The average sunshine duration in July is 11h.

What is the month 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?

The average daily maximum UV index in July in Marlow is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Marlow, SD

Average temperature in July - Marlow, SD
  • Average high temperature in July: 81.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in July: 61.9°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).

Average pressure in July
Marlow, SD

Average pressure in July - Marlow, SD
  • Average pressure in July: 29.92"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in July
Marlow, SD

Average wind speed in July - Marlow, SD
  • Average wind speed in July: 8.1mph

The windiest months (with the highest average wind speed) are April and October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

Average humidity in July
Marlow, SD

Average humidity in July - Marlow, SD
  • Average humidity in July: 71%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (64%).

Average rainfall in July
Marlow, SD

Average rainfall in July - Marlow, 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 February (0.43").

Average rainfall days in July
Marlow, SD

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

The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.8 days).

Average snowfall in July
Marlow, SD

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

The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Marlow, SD

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

The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • 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: 3h and 30min).

Average sunshine days in July
Marlow, SD

Average sunshine days in July - Marlow, SD
  • Average sunshine days in July: 16.3 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in July
Marlow, SD

Average UV index in July - Marlow, 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 December (UV index 1).

Average cloud cover in July
Marlow, SD

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

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 24).

Average visibility in July
Marlow, SD

Average visibility in July - Marlow, SD
  • Average visibility in July: 6mi

The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).

Marlow, South Dakota, USA

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