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
As Rock River transitions into August, the average high-temperature stands at a still moderately hot 75.7°F (24.3°C), offering little variation from the preceding month. Against the backdrop of high daytime temperatures, an average low-temperature of 52.3°F (11.3°C) is noted during August nights in Rock River, Wyoming.Humidity
August and September, with an average relative humidity of 43%, are the least humid months.Rainfall
In Rock River, during August, the rain falls for 13.3 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Rock River, during the entire year, the rain falls for 101.4 days and collects up to 14.37" (365mm) of precipitation.Snowfall
In Rock River, snow does not fall in July and August.Daylight
The average length of the day in August in Rock River, Wyoming, is 13h and 48min.On the first day of August in Rock River, Wyoming, sunrise is at 5:58 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:38 pm MDT.
Sunshine
The average sunshine in August is 11.5h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during August translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Rock River?
What are the least humid months in Rock River?
What is the average humidity in August in Rock River?
How much does it rain in Rock River in August?
When it does not snow in Rock River?
Does it snow in Rock River in August?
How many hours of daylight does Rock River have in August?
When is the sunrise / sunset in August in Rock River?
How many hours of sunshine does Rock River have in August?
When is the highest UV index in Rock River?
What is the UV index intensity in August in Rock River?
Average temperature in August
Rock River, WY
- Average high temperature in August: 75.7°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (28.2°F).
- Average low temperature in August: 52.3°F
The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is December (14.4°F).
Average pressure in August
Rock River, WY
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Rock River, WY
- Average wind speed in August: 9.6mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest month (with the lowest average wind speed) is July (9.3mph).
Average humidity in August
Rock River, WY
- Average humidity in August: 43%
The months with the highest relative humidity are January and February (75%).
The months with the lowest relative humidity are August and September (43%).
Average rainfall in August
Rock River, WY
- Average rainfall in August: 0.98"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in August
Rock River, WY
- Average rainfall days in August: 13.3 days
The months with the highest number of rainy days are May and July (15.1 days).
The months with the least rainy days are January, February and November (2.9 days).
Average snowfall in August
Rock River, WY
- Average snowfall in August: 0"
The month with the highest snowfall is April (9.76").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Rock River, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is April (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Rock River, WY
- Average daylight in August: 13h 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 August: 11h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in August
Rock River, WY
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is May (8.9 days).
Average UV index in August
Rock River, WY
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in August
Rock River, WY
- Average cloud cover in August: 18
The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is September (Cloud cover 17).
Average visibility in August
Rock River, 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).
Rock River, Wyoming, USA
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