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 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
The average high-temperature in August, at a fiery hot 103.6°F (39.8°C), reveals a modest deviation from July's 104.2°F (40.1°C). During the month of August, Poston anticipates a mean low-temperature of 85.6°F (29.8°C).Humidity
In August, the average relative humidity in Poston is 25%.Rainfall
In Poston, in August, it is raining for 6 days, with typically 0.55" (14mm) of accumulated precipitation. In Poston, during the entire year, the rain falls for 39.4 days and collects up to 3.9" (99mm) of precipitation.Daylight
In Poston, the average length of the day in August is 13h and 23min.On the first day of August, sunrise is at 5:49 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:04 pm MST.
Sunshine
In August, the average sunshine is 11.2h.UV index
In Poston, the average daily maximum UV index in August is 8. A UV Index reading of 8 to 10 represents a very high health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 8 during August translates into the following guidance:
Take extra precautions. Protection against sun damage is required. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in August?
What is the average humidity in August?
How many days does it rain in August?
What is the average length of the day in August?
When are sunrise and sunset in August?
How long on average sun shines in August?
What is the UV index reading in August?
Average temperature in August
Poston, AZ
- Average high temperature in August: 103.6°F
The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in August: 85.6°F
The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).
Average pressure in August
Poston, AZ
- Average pressure in August: 29.79"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in August
Poston, AZ
- Average wind speed in August: 7.4mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).
Average humidity in August
Poston, AZ
- Average humidity in August: 25%
The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).
Average rainfall in August
Poston, AZ
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days in August
Poston, AZ
- Average rainfall days in August: 6 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).
Average daylight in August /
Average sunshine in August
Poston, AZ
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in August: 11h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in August
Poston, AZ
- Average sunshine days in August: 20.8 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).
Average UV index in August
Poston, AZ
- Average UV index in August: 8
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Poston, AZ
- Average cloud cover in August: 8
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in August
Poston, 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).
Poston, Arizona, USA
Weather forecast for your location
2. Allow the app to use your location