August weather forecastWindow Rock, AZ
August
Weather in August
August, the last month of the summer in Window Rock, is another warm month, with an average temperature varying between 80.2°F (26.8°C) and 61.2°F (16.2°C).Temperature
As July turns into August, the average high-temperatures rest at a still warm 80.2°F (26.8°C), showing a minor variation from the prior month. Window Rock observes an average nighttime low-temperature of 61.2°F (16.2°C) during the month of August.Humidity
In August, the average relative humidity is 41%.Rainfall
In August, in Window Rock, Arizona, the rain falls for 14.6 days. Throughout August, 1.61" (41mm) of precipitation is accumulated. In Window Rock, during the entire year, the rain falls for 90.1 days and collects up to 11.93" (303mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 28min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:48 am and sunset at 7:44 pm MDT.
Sunshine
In Window Rock, the average sunshine in August is 11.7h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. 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 August
Window Rock, AZ
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in August
Window Rock, AZ
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Window Rock, AZ
- Average wind speed in August: 6.7mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in August
Window Rock, AZ
- Average humidity in August: 41%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (23%).
Average rainfall in August
Window Rock, AZ
- Average rainfall in August: 1.61"
The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is June (0.35").
Average rainfall days in August
Window Rock, AZ
- Average rainfall days in August: 14.6 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in August
Window Rock, AZ
- Average snowfall in August: 0"
The month with the highest snowfall is December (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Window Rock, AZ
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Window Rock, AZ
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 11h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).
Average sunshine days in August
Window Rock, AZ
- Average sunshine days in August: 11.6 days
The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in August
Window Rock, AZ
- 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, November and December (UV index 2).
Average cloud cover in August
Window Rock, AZ
- Average cloud cover in August: 16
The month with the most cloud cover is January (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in August
Window Rock, AZ
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
