July weather forecast
Riverton, WY

Share

Weather in July

The zenith of summer heat in Riverton is July, with temperatures soaring to a scorching 87.1°F (30.6°C). It is also the driest month, receiving a mere 0.31" (8mm) of rainfall. The sky is more or less clear, allowing the sun to beam down with unfiltered intensity. For those seeking adventure, the generous daylight hours open a long window for exploration and enjoyment. It is during this month that Riverton is truly warmed up, exerting its full summer charm amid the intense heat.

Temperature

Riverton's warmest temperatures are experienced in July, with average high temperatures of 87.1°F (30.6°C) and lows of 61.5°F (16.4°C).

Humidity

July and August, with an average relative humidity of 31%, are the least humid months.

Rainfall

In Riverton, in July, during 6.2 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. Throughout the year, there are 67.3 rainfall days, and 6.93" (176mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall.

Daylight

In July, the average length of the day is 14h and 59min.
On the first day of the month, sunrise is at 5:38 am and sunset at 8:56 pm. On the last day of July, sunrise is at 6:04 am and sunset at 8:35 pm MDT.

Sunshine

With an average of 12h of sunshine, July has the most sunshine of the year.

UV index

The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 7 in July translates into this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

July stands out as Riverton's warmest month, with temperatures ranging between an average high of 87.1°F (30.6°C) and a low of 61.5°F (16.4°C).

How hot is it in July?

Riverton in July has an average high-temperature of 87.1°F (30.6°C) and an average low-temperature of 61.5°F (16.4°C).

What are the least humid months?

The months with the lowest humidity in Riverton are July and August, with an average relative humidity of 31%.

What is the average humidity in July?

In July, the average relative humidity is 31%.

How much does it rain in July?

In Riverton, in July, it is raining for 6.2 days, with typically 0.31" (8mm) of accumulated precipitation.

When it does not snow?

June through August are months without snowfall in Riverton.

What is the average length of the day in July?

The average day length in July is 14h and 59min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:38 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:35 pm MDT.

What month has the most sunshine in Riverton?

July has the most sunshine of the year, with an average of 12h of sunshine.

How long on average sun shines in July?

In July, the average sunshine duration is 12h.

What is the month with the highest UV index?

July is the month with the highest UV index, with an average maximum UV index of 7.

How high is the UV index in July?

The average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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, WY

Average temperature in July - Riverton, WY
  • Average high temperature in July: 87.1°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (30.9°F).

  • Average low temperature in July: 61.5°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure in July
Riverton, WY

Average pressure in July - Riverton, WY
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in July
Riverton, WY

Average wind speed in July - Riverton, WY
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

Average humidity in July
Riverton, WY

Average humidity in July - Riverton, WY
  • Average humidity in July: 31%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are July and August (31%).

Average rainfall in July
Riverton, WY

Average rainfall in July - Riverton, WY
  • Average rainfall in July: 0.31"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is January (0.24").

Average rainfall days in July
Riverton, WY

Average rainfall days in July - Riverton, WY
  • Average rainfall days in July: 6.2 days

The month with the highest number of rainy days is May (9.9 days).
The month with the least rainy days is January (2.5 days).

Average snowfall in July
Riverton, WY

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

The month with the highest snowfall is April (5.39").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Riverton, WY

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

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in July / Average sunshine in July - Riverton, WY
  • 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: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).

Average sunshine days in July
Riverton, WY

Average sunshine days in July - Riverton, WY
  • Average sunshine days in July: 19.3 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (15.5 days).

Average UV index in July
Riverton, WY

Average UV index in July - Riverton, WY
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Riverton, WY

Average cloud cover in July - Riverton, WY
  • Average cloud cover in July: 12

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in July
Riverton, WY

Average visibility in July - Riverton, WY
  • 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, Wyoming, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location