August weather forecastGilbert, AZ
August
Weather in August
August in Gilbert, Arizona, scales down the summer heat slightly, signaling the forthcoming fall. Yet, the month still brims with high heat and bright sunshine hours, extending desert adventures or pool-side relaxations for the dwellers. Compared to July, August experiences slight moderations in temperature, coupled with a slight increase in rainfall chances.Temperature
In Gilbert, August's average high-temperature stands at a still very hot 100.9°F (38.3°C), closely related to the preceding month. Gilbert observes an average nighttime low-temperature of 83.8°F (28.8°C) during the month of August.Humidity
In August, the average relative humidity in Gilbert is 32%.Rainfall
In Gilbert, Arizona, in August, during 8.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Gilbert, during the entire year, the rain falls for 60.2 days and collects up to 7.91" (201mm) of precipitation.Daylight
In Gilbert, Arizona, the average length of the day in August is 13h and 21min.On the first day of August in Gilbert, sunrise is at 5:40 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 6:53 pm MST.
Sunshine
The average sunshine in August is 12.1h.UV index
June through August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In August, a daily maximum UV index of 8 leads to the following instructions:
With the absence of protection, damage to skin and eyes can occur instantly. Ensure precautions are taken. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. 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
Average temperature in August
Gilbert, AZ
- Average high temperature in August: 100.9°F
The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in August: 83.8°F
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in August
Gilbert, AZ
- Average pressure in August: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in August
Gilbert, AZ
- Average wind speed in August: 5mph
The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in August
Gilbert, AZ
- Average humidity in August: 32%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall in August
Gilbert, AZ
- Average rainfall in August: 0.79"
The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in August
Gilbert, AZ
- Average rainfall days in August: 8.8 days
The month with the highest number of rainy days is July (10.6 days).
The month with the least rainy days is June (1.2 days).
Average daylight in August /
Average sunshine in August
Gilbert, AZ
- Average daylight in August: 13h and 18min
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 month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in August
Gilbert, AZ
- Average sunshine days in August: 18.9 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in August
Gilbert, AZ
- Average UV index in August: 8
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Gilbert, 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
Gilbert, 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).
