Maricopa County (Phoenix)
August
Weather in Maricopa County, Arizona for August 2025
Your guide to Maricopa County weather in August - trends and predictions
Extreme Heat Warning - See hour by hour.
The forecast for the first days of August 2025 in Maricopa County predicts temperatures to be around 44 °F, close to the historical average.
In general, the average temperature in Maricopa County at the beginning of August is 45 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 42 °F by the end of August.
The climate of Maricopa County in August is notably wet, with an average of 12 rainy days, and a total of 46 mm of precipitation.
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Temperatures
Rain 🌧️
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19
Dry days
12
Rainy days
0
Snow days
40°/30°
Temperatures
19 km/h
Avg max wind
30 %
Avg humidity
Maricopa County Weather August
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Temperatures trend during August in Maricopa County
See the weather trend as well as the moving average line
August weather in Maricopa County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 46° /31° | 0 mm | 3 | |
| Aug. 2 | Sunny | 46° /30° | 0 mm | 2.9 | |
| Aug. 3 | Sunny | 46° /26° | 0 mm | 2.8 | |
| Aug. 4 | Sunny | 43° /33° | 0 mm | 2.9 | |
| Aug. 5 | Sunny | 43° /35° | 0 mm | 0 | |
| Aug. 6 |  Patchy rain possible | 45° /35° | 0.8 mm | 8 | |
| Aug. 7 | Sunny | 46° /34° | 0 mm | 9 | |
| Aug. 8 | Sunny | 42° /34° | 0 mm | 9 | |
| Aug. 9 | Patchy rain possible | 43° /32° | 0.2 mm | 8 | |
| Aug. 10 |  Partly cloudy | 42° /32° | 0.1 mm | 9 | |
| Aug. 11 | Patchy rain possible | 42° /33° | 0.9 mm | 8 | |
| Aug. 12 | Patchy rain possible | 41° /33° | 1.7 mm | 8 | |
| Aug. 13 | Patchy rain possible | 42° /31° | 0.8 mm | 8 | |
| Aug. 14 | Patchy rain possible | 39° /29° | 4.2 mm | 9 | |
| Aug. 15 | Sunny | 40° /29° | 0.1 mm | 9 | |
| Aug. 16 |  Moderate rain at times | 40° /30° | 0.7 mm | 9 | |
| Aug. 17 | Patchy rain possible | 40° /31° | 2.7 mm | 9 | |
| Aug. 18 | Moderate or heavy rain shower | 39° /29° | 5.3 mm | 9 | |
| Aug. 19 | Sunny | 37° /28° | 1.1 mm | 9 | |
| Aug. 20 | Sunny | 38° /28° | 1.1 mm | 9 | |
| Aug. 21 | Moderate rain at times | 36° /27° | 4.1 mm | 8 | |
| Aug. 22 | Sunny | 38° /27° | 1.4 mm | 9 | |
| Aug. 23 | Sunny | 40° /28° | 0.1 mm | 9 | |
| Aug. 24 | Sunny | 40° /28° | 0.4 mm | 9 | |
| Aug. 25 | Sunny | 41° /29° | 1 mm | 10 | |
| Aug. 26 | Sunny | 43° /30° | 0.2 mm | 10 | |
| Aug. 27 | Sunny | 42° /30° | 0.2 mm | 9 | |
| Aug. 28 | Sunny | 42° /30° | 0.2 mm | 9 | |
| Aug. 29 | Sunny | 42° /30° | 0 mm | 10 | |
| Aug. 30 | Patchy rain possible | 43° /30° | 0.2 mm | 10 | |
| Aug. 31 | Moderate rain at times | 41° /30° | 0.5 mm | 9 | |
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Important Notice
Our weather forecast for Maricopa County in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Maricopa County forecast closer to your planned date for the most up-to-date weather information.
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Maricopa County in August - FAQ
What are the expected maximum and minimum temperatures in Maricopa County during August?
With daytime temperatures soaring above 40° and not dropping much below 30° at night, August in Maricopa County is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Maricopa County during August?
In August, Maricopa County can expect light to moderate rainfall, totaling 46 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Maricopa County during August?
The average wind speed in Maricopa County during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Maricopa County
Explore the daily rainfall trends and prepare for Maricopa Countys August weather 💧
UV exposure in Maricopa County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Maricopa County?Get accurate weather forecasts for Maricopa County, located at latitude 33.448 and longitude -112.074. Stay updated with localized weather information tailored for Maricopa County.
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