Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The shift into August in Greybull, Wyoming, reveals an average high-temperature of a still moderately hot 82.6°F (28.1°C), closely mirroring July's climate. In the month of August, Greybull records a consistent average low-temperature of 61.7°F (16.5°C).Humidity
July and August, with an average relative humidity of 33%, are the least humid months.Rainfall
In August, in Greybull, the rain falls for 7.8 days. Throughout August, 0.47" (12mm) of precipitation is accumulated. In Greybull, during the entire year, the rain falls for 103.2 days and collects up to 5.71" (145mm) of precipitation.Snowfall
In Greybull, snow does not fall in June through September.Daylight
The average length of the day in August in Greybull, Wyoming, is 13h and 59min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:37 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:49 pm MDT.
Sunshine
June through August, with an average of 11.9h of sunshine, are months with the most sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 6 during August translates into these guidelines:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Greybull in August?
What is the least humid month in Greybull?
What is the average humidity in August in Greybull?
How many days does it rain in August in Greybull?
When it does not snow in Greybull?
How many hours of daylight does Greybull have in August?
When is the sunrise / sunset in August in Greybull?
What is the month with the most sunshine in Greybull?
How many hours of sunshine does Greybull have in August?
What are the months with the highest UV index in Greybull?
How high is the UV index in August in Greybull?
Average temperature in August
Greybull, WY
- Average high temperature in August: 82.6°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in August
Greybull, WY
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Greybull, WY
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest months (with the lowest average wind speed) are January and August (6mph).
Average humidity in August
Greybull, WY
- Average humidity in August: 33%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in August
Greybull, WY
- Average rainfall in August: 0.47"
The wettest month (with the highest rainfall) is May (0.87").
The driest month (with the least rainfall) is December (0.2").
Average rainfall days in August
Greybull, WY
- Average rainfall days in August: 7.8 days
The month with the highest number of rainy days is May (12.6 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in August
Greybull, WY
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Greybull, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Greybull, WY
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 11h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in August
Greybull, WY
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is December (20.9 days).
The months with the least sunshine days are April and June (12.5 days).
Average UV index in August
Greybull, WY
- Average UV index in August: 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, November and December (UV index 2).
Average cloud cover in August
Greybull, WY
- Average cloud cover in August: 12
The month with the most cloud cover is February (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in August
Greybull, WY
- Average visibility in August: 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).
Greybull, Wyoming, USA
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