July weather forecast
Riverton, IA

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Weather in July

July, the same as June, is a moderately hot summer month in Riverton, Iowa, with an average temperature varying between 66.7°F (19.3°C) and 84°F (28.9°C).

Temperature

The warmest period tends to be July, when average temperatures fluctuate between a high of 84°F (28.9°C) and a low of 66.7°F (19.3°C).

Heat index

In July, the average heat index is estimated at a tropical 93.2°F (34°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

January and July, with an average relative humidity of 79%, are the most humid months in Riverton.

Rainfall

In July, the rain falls for 13.5 days. Throughout July, 2.56" (65mm) of precipitation is accumulated. Throughout the year, in Riverton, there are 125.6 rainfall days, and 26.14" (664mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in July is 14h and 45min.
On the first day of July in Riverton, Iowa, sunrise is at 5:55 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:38 pm CDT.

Sunshine

The month with the most sunshine in Riverton is July, with an average of 10.5h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Riverton?

The month of July, characterized by an average high of 84°F (28.9°C) and a low of 66.7°F (19.3°C), is recognized as the warmest in Riverton.

How hot does it get in Riverton in July?

In July, in Riverton, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 66.7°F (19.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 93.2°F (34°C).

What is the most humid month in Riverton?

The months with the highest humidity in Riverton, Iowa, are January and July, with an average relative humidity of 79%.

What is the average humidity in July in Riverton?

The average relative humidity in July in Riverton, Iowa, is 79%.

How much does it rain in Riverton in July?

In Riverton, Iowa, in July, during 13.5 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow in Riverton?

In Riverton, Iowa, snow does not fall in May through September.

How many hours of daylight does Riverton have in July?

In July, the average day length in Riverton is 14h and 45min.

When are sunrise and sunset in July in Riverton?

On the first day of July in Riverton, Iowa, sunrise is at 5:55 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:38 pm CDT.

What month has the most sunshine in Riverton?

With an average of 10.5h of sunshine, July has the most sunshine of the year in Riverton, Iowa.

How many hours of sunshine does Riverton have in July?

The average sunshine duration in July is 10.5h.

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

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

How high is the UV index in July in Riverton?

In Riverton, Iowa, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Riverton, IA

Average temperature in July - Riverton, IA
  • Average high temperature in July: 84°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in July: 66.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in July
Riverton, IA

Average pressure in July - Riverton, IA
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in July
Riverton, IA

Average wind speed in July - Riverton, IA
  • Average wind speed in July: 6.7mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in July
Riverton, IA

Average humidity in July - Riverton, IA
  • Average humidity in July: 79%

The months with the highest relative humidity are January and July (79%).
The month with the lowest relative humidity is October (67%).

Average rainfall in July
Riverton, IA

Average rainfall in July - Riverton, IA
  • Average rainfall in July: 2.56"

The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in July
Riverton, IA

Average rainfall days in July - Riverton, IA
  • Average rainfall days in July: 13.5 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in July
Riverton, IA

Average snowfall in July - Riverton, IA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Riverton, IA

Average snowfall days in July - Riverton, IA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Riverton, IA

Average daylight in July / Average sunshine in July - Riverton, IA
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in July
Riverton, IA

Average sunshine days in July - Riverton, IA
  • Average sunshine days in July: 14.5 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in July
Riverton, IA

Average UV index in July - Riverton, IA
  • 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).

Average cloud cover in July
Riverton, IA

Average cloud cover in July - Riverton, IA
  • Average cloud cover in July: 26

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in July
Riverton, IA

Average visibility in July - Riverton, IA
  • 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).

Riverton, Iowa, USA

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