July weather forecast
Cheyenne, WY

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A sunny day in front of the State Capitol building in Cheyenne, Wyoming
A sunny day in front of the State Capitol building in Cheyenne, Wyoming

Weather in July

July holds its reputation as the hottest month in Cheyenne, Wyoming. The blazing sun remains the central feature of this period, with temperatures rising to 82.4°F (28°C). However, the weather remains pleasant as the humidity is relatively low, promoting agreeable conditions. The city pulsates with life, the weather offering perfect conditions for all sorts of summer festivals and outdoor activities.

Temperature

July, known for its average high temperature of 82.4°F (28°C) and an average low temperature of 59.9°F (15.5°C), is the warmest month in Cheyenne.

Heat index

July's mean heat index is estimated at 82.4°F (28°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In Cheyenne, the average relative humidity in July is 47%.

Rainfall

In July, the rain falls for 12.3 days. Throughout July, 1.5" (38mm) of precipitation is accumulated. In Cheyenne, during the entire year, the rain falls for 116 days and collects up to 14.57" (370mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day in Cheyenne is 14h and 47min.
On the first day of the month, sunrise is at 5:30 am and sunset at 8:35 pm. On the last day of July, in Cheyenne, Wyoming, sunrise is at 5:54 am and sunset at 8:16 pm MDT.

Sunshine

July and August, with an average of 11.6h of sunshine, are months with the most sunshine in Cheyenne.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What part of the year is the hottest in Cheyenne?

July, known for its average high temperature of 82.4°F (28°C) and an average low temperature of 59.9°F (15.5°C), is the warmest month in Cheyenne.

How hot is it in Cheyenne in July?

In July, in Cheyenne, the average high-temperature is 82.4°F (28°C), and the average low-temperature is 59.9°F (15.5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 82.4°F (28°C).

What is the average humidity in July in Cheyenne?

In July, the average relative humidity in Cheyenne is 47%.

How many days does it rain in July in Cheyenne?

In July, in Cheyenne, Wyoming, the rain falls for 12.3 days. Throughout July, 1.5" (38mm) of precipitation is accumulated.

When it does not snow in Cheyenne?

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

How many hours of daylight does Cheyenne have in July?

The average day length in July in Cheyenne, Wyoming, is 14h and 47min.

What time are sunrise and sunset in July in Cheyenne?

On the first day of July in Cheyenne, Wyoming, sunrise is at 5:30 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:16 pm MDT.

What are the months with the most sunshine in Cheyenne?

The months with the most sunshine are July and August, with an average of 11.6h of sunshine.

How many hours of sunshine does Cheyenne have in July?

In July, the average sunshine duration is 11.6h.

What are the months with the highest UV index in Cheyenne?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in July in Cheyenne?

In Cheyenne, Wyoming, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Cheyenne, WY

Average temperature in July - Cheyenne, WY
  • Average high temperature in July: 82.4°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in July: 59.9°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

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Average pressure in July
Cheyenne, WY

Average pressure in July - Cheyenne, WY
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in July
Cheyenne, WY

Average wind speed in July - Cheyenne, WY
  • Average wind speed in July: 8.9mph

The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in July
Cheyenne, WY

Average humidity in July - Cheyenne, WY
  • Average humidity in July: 47%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in July
Cheyenne, WY

Average rainfall in July - Cheyenne, WY
  • Average rainfall in July: 1.5"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in July
Cheyenne, WY

Average rainfall days in July - Cheyenne, WY
  • Average rainfall days in July: 12.3 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).

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Average snowfall in July
Cheyenne, WY

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

The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Cheyenne, WY

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

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in July / Average sunshine in July - Cheyenne, WY
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 11h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

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Average sunshine days in July
Cheyenne, WY

Average sunshine days in July - Cheyenne, WY
  • Average sunshine days in July: 14.8 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).

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Average UV index in July
Cheyenne, WY

Average UV index in July - Cheyenne, WY
  • Average UV index in July: 6

The months with the highest UV index are 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
Cheyenne, WY

Average cloud cover in July - Cheyenne, WY
  • Average cloud cover in July: 21

The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).

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Average visibility in July
Cheyenne, WY

Average visibility in July - Cheyenne, 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).

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Cheyenne, Wyoming, USA

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