August weather forecastRound Rock, AZ
August
Weather in August
August, the last month of the summer in Round Rock, is also a moderately hot month, with an average temperature fluctuating between 68°F (20°C) and 84.6°F (29.2°C).Temperature
The unfolding of August shows an average high-temperature of a warm 84.6°F (29.2°C), indicating a slight variance from July's 86.9°F (30.5°C). In the month of August, the average low-temperature usually rests at a pleasant 68°F (20°C).Humidity
In August, the average relative humidity in Round Rock is 33%.Rainfall
In August, in Round Rock, the rain falls for 11.2 days. Throughout August, 1.22" (31mm) of precipitation is accumulated. Throughout the year, in Round Rock, Arizona, there are 75.5 rainfall days, and 7.91" (201mm) of precipitation is accumulated.Snowfall
In Round Rock, snow does not fall in June through September.Daylight
The average length of the day in August in Round Rock is 13h and 31min.On the first day of August in Round Rock, Arizona, sunrise is at 6:24 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:46 pm MDT.
Sunshine
August has the most sunshine of the year, with an average of 11.9h of sunshine.UV index
In Round Rock, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 6 suggests this advice:
Fend off overexposure. Sun protection is vital. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Round Rock, AZ
- Average high temperature in August: 84.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in August: 68°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in August
Round Rock, AZ
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Round Rock, AZ
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in August
Round Rock, AZ
- Average humidity in August: 33%
The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is June (19%).
Average rainfall in August
Round Rock, AZ
- Average rainfall in August: 1.22"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in August
Round Rock, AZ
- Average rainfall days in August: 11.2 days
The month with the highest number of rainy days is July (13.7 days).
The months with the least rainy days are February and June (3.3 days).
Average snowfall in August
Round Rock, AZ
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Round Rock, AZ
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and December (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Round Rock, AZ
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 11h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in August
Round Rock, AZ
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is June (25.4 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in August
Round Rock, AZ
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Round Rock, AZ
- Average cloud cover in August: 13
The months with the most cloud cover are January and December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in August
Round Rock, AZ
- 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).
