July weather forecast
Opal, WY

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Weather in July

July is a warm summer month in Opal, Wyoming, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 55°F (12.8°C).

Temperature

The month of July, characterized by an average high of 79.3°F (26.3°C) and a low of 55°F (12.8°C), is recognized as the warmest.

Humidity

The average relative humidity in July is 36%.

Rainfall

In Opal, during July, the rain falls for 7.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, in Opal, there are 96.8 rainfall days, and 11.46" (291mm) of precipitation is accumulated.

Snowfall

In Opal, snow does not fall in July and August.

Daylight

In July, the average length of the day in Opal is 14h and 51min.
On the first day of the month, sunrise is at 5:50 am and sunset at 8:59 pm. On the last day of July, sunrise is at 6:15 am and sunset at 8:40 pm MDT.

Sunshine

The months with the most sunshine are July and August, with an average of 11.8h of sunshine.

UV index

The month with the highest UV index in Opal is July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Feb 14, 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 Opal?

The highest temperatures in Opal are recorded in July, with averages reaching a high of 79.3°F (26.3°C) and a low of 55°F (12.8°C).

What is the average July temperature in Opal?

The high-temperature, in July, in Opal, records 79.3°F (26.3°C), while the low-temperature is 55°F (12.8°C).

What is the average humidity in July in Opal?

In Opal, Wyoming, the average relative humidity in July is 36%.

How many days does it rain in July in Opal?

In July, the rain falls for 7.5 days. Throughout July, 0.63" (16mm) of precipitation is accumulated.

When it does not snow in Opal?

July and August are months without snowfall.

Does it snow in Opal in July?

In July, it doesn't snow. June is the latest month when it typically snows.

How many hours of daylight does Opal have in July?

In Opal, the average day length in July is 14h and 51min.

When are sunrise and sunset in July in Opal?

In July, on the first day of the month, sunrise is at 5:50 am and sunset at 8:59 pm. On the last day of the month, in Opal, sunrise is at 6:15 am and sunset at 8:40 pm MDT.

What is the month with the most sunshine in Opal?

The months with the most sunshine in Opal are July and August, with an average of 11.8h of sunshine.

How many hours of sunshine does Opal have in July?

In Opal, the average sunshine duration in July is 11.8h.

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

July is the month with the highest UV index in Opal, Wyoming, with an average maximum UV index of 6.

How high is the UV index in July in Opal?

The average daily maximum UV index in July in Opal, Wyoming, is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Opal, WY

Average temperature in July - Opal, WY
  • Average high temperature in July: 79.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in July: 55°F

The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in July
Opal, WY

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

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in July
Opal, WY

Average wind speed in July - Opal, WY
  • Average wind speed in July: 7.5mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

Average humidity in July
Opal, WY

Average humidity in July - Opal, WY
  • Average humidity in July: 36%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (35%).

Average rainfall in July
Opal, WY

Average rainfall in July - Opal, WY
  • Average rainfall in July: 0.63"

The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is August (0.59").

Average rainfall days in July
Opal, WY

Average rainfall days in July - Opal, WY
  • Average rainfall days in July: 7.5 days

The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is February (5 days).

Average snowfall in July
Opal, WY

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

The month with the highest snowfall is March (6.81").
The months with the least snowfall are July and August (0").

Average snowfall days in July
Opal, WY

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

The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 11h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in July
Opal, WY

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

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is April (9.7 days).

Average UV index in July
Opal, WY

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in July
Opal, WY

Average cloud cover in July - Opal, WY
  • Average cloud cover in July: 13

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in July
Opal, WY

Average visibility in July - Opal, WY
  • Average visibility in July: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

Opal, Wyoming, USA

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