July weather forecastCasper, WY
July
Weather in July
July in Casper, Wyoming, truly personifies the summer season with a peak recorded temperature of 83.5°F (28.6°C). Record summer heat, long daylight hours and wealthy sunshine of 11.9 hours paints a typical summer picture. Despite less frequent rainfall, the city retains its green glow under the bright sun. Outdoor activities are at their peak with inviting warmth and plenty of daylight. Come July, Casper basks in the peak of summer, offering clear, warm days.Temperature
The average temperatures reach their apex in July, averaging 83.5°F (28.6°C) at the high end and 59.5°F (15.3°C) at the low end.Humidity
The average relative humidity in July is 39%.Rainfall
In Casper, in July, during 8.4 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, in Casper, there are 91.6 rainfall days, and 9.69" (246mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall.Daylight
In July, the average length of the day in Casper, Wyoming, is 14h and 58min.On the first day of the month, sunrise is at 5:30 am and sunset at 8:47 pm. On the last day of July, in Casper, sunrise is at 5:56 am and sunset at 8:26 pm MDT.
Sunshine
July and August, with an average of 11.9h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 in July translates into these instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Casper, WY
- Average high temperature in July: 83.5°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in July: 59.5°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).
Average pressure in July
Casper, WY
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Casper, WY
- Average wind speed in July: 8.5mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity in July
Casper, WY
- Average humidity in July: 39%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (37%).
Average rainfall in July
Casper, WY
- Average rainfall in July: 0.63"
The wettest month (with the highest rainfall) is May (1.77").
The driest months (with the least rainfall) are January, August and September (0.43").
Average rainfall days in July
Casper, WY
- Average rainfall days in July: 8.4 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in July
Casper, WY
- Average snowfall in July: 0"
The month with the highest snowfall is November (5.47").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Casper, WY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Casper, 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: 11h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days in July
Casper, WY
- Average sunshine days in July: 17.9 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in July
Casper, WY
- 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, March, April, October, November and December (UV index 2).
Average cloud cover in July
Casper, WY
- Average cloud cover in July: 14
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in July
Casper, 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).
