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 ranging between min 61.9°F (16.6°C) and max 81.7°F (27.6°C).

Temperature

Marlow, South Dakota, registers the highest average temperatures during the month of July, with peaks of 81.7°F (27.6°C) and lows of 61.9°F (16.6°C).

Heat index

The heat index for July is evaluated at a hot 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In Marlow, South Dakota, the average relative humidity in July 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

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

Daylight

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

Sunshine

The month with the most sunshine is July, with an average of 11h 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 value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 6 in July suggests the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

July is the month that records the highest temperatures, with averages ranging from a high of 81.7°F (27.6°C) to a low of 61.9°F (16.6°C).

What is the average July temperature?

In Marlow, 81.7°F (27.6°C) is the average high-temperature and 61.9°F (16.6°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 86°F (30°C).

What is the average humidity in July?

The average relative humidity in July is 71%.

What is the rainiest month?

The month with the most rainfall is July, when the rain falls for 12.7 days and typically aggregates up to 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?

June through September are months without snowfall.

What is the average length of the day in July?

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

When is the sunrise / sunset in July?

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?

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

How many hours of sunshine does Marlow have in July?

In July, the average sunshine duration 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.

What is the UV index intensity in July?

In July, the average daily maximum UV index 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
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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