August weather forecastTempe, AZ
August
Weather in August
The weather in August maintains similar patterns to July with the city experiencing high temperatures nearing 101.8°F (38.8°C). Rainfall remains relatively high with 0.94" (24mm) spread over nine days. The wind speed slows down, complementing the increased humidity levels. Despite these conditions, the UV index remains high, urging inhabitants to remain careful under the sun. With prolonged daylight hours and large amounts of sunshine, August continues to uphold the summer weather in Tempe.Temperature
Tempe's entry into August measures an average high-temperature of a still torrid 101.8°F (38.8°C), closely parallel to the preceding month. In August, Tempe reports a consistent average low-temperature of 84.4°F (29.1°C) during the nights.Humidity
The average relative humidity in August is 30%.Rainfall
In Tempe, Arizona, in August, it is raining for 9.3 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 57.7 rainfall days, and 7.72" (196mm) of precipitation is accumulated.Daylight
In August, the average length of the day in Tempe is 13h and 21min.On the first day of August, sunrise is at 5:40 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 6:53 pm MST.
Sunshine
June and August, with an average of 12.1h of sunshine, are months with the most sunshine in Tempe, Arizona.UV index
The months with the highest UV index in Tempe are May through August, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 8 during August translates into these guidelines:
With the absence of protection, damage to skin and eyes can occur instantly. Ensure precautions are taken. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Tempe, AZ
- Average high temperature in August: 101.8°F
The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in August: 84.4°F
The month with the highest average low temperature is August (84.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in August
Tempe, AZ
- Average pressure in August: 29.87"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in August
Tempe, AZ
- Average wind speed in August: 5.1mph
The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity in August
Tempe, AZ
- Average humidity in August: 30%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (16%).
Average rainfall in August
Tempe, AZ
- Average rainfall in August: 0.94"
The wettest month (with the highest rainfall) is July (1.14").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in August
Tempe, AZ
- Average rainfall days in August: 9.3 days
The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is June (1 days).
Average daylight in August /
Average sunshine in August
Tempe, AZ
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 12h and 6min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in August
Tempe, AZ
- Average sunshine days in August: 17.8 days
The month with the most sunshine days is May (28.7 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in August
Tempe, AZ
- Average UV index in August: 8
The months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Tempe, AZ
- Average cloud cover in August: 12
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in August
Tempe, 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).
