August Weather in Tempe, United States

Last updated: June 24, 2025

In August, the average temperature in Tempe, United States soars to 35°C (95°F), creating a warm haven. Temperatures can swing from a minimum of 22°C (73°F) to a blistering maximum of 47°C (116°F). Expect light rainfall with a total precipitation of 39 mm (1.5 in) over 5 days, while the average humidity sits comfortably at 48%. Enjoy the sunshine, but don’t forget to stay hydrated!

August Temperature in Tempe

In August in Tempe, the average temperature is 35°C (95°F). Maximums can reach 47°C (116°F), while minimums can dip as low as 22°C (73°F). Therefore, travelers should be prepared for extreme heat during this time and ensure they stay hydrated and protected from the sun.

August Weather in Tempe: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Tempe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tempe, August typically has an average temperature of 35°C (95°F), with highs reaching up to 47°C (116°F) and lows dropping to around 22°C (73°F).

Data source: Temperature data for Tempe generated using information from the Copernicus Climate Change Service.

August Precipitation in Tempe

In Tempe in August, the precipitation amount is 39 mm (1.5 in) spread over a duration of 5 days.

August Precipitation Trends in Tempe

The chart displays monthly precipitation patterns in Tempe, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Tempe, August typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Tempe

In Tempe in August humidity is 48%. With an average temperature of 35°C (95°F), this humidity feels like a warm, sultry embrace that can leave travelers feeling sticky and fatigued if they're not careful to stay hydrated and take breaks in the shade.

August Average Humidity in Tempe

This chart illustrates the average monthly humidity levels in Tempe, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Tempe is approximately 48%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Tempe

In Tempe in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Tempe.

Maximum UV Index Levels in Tempe for August

The chart shows the monthly maximum UV Index (UVI) for Tempe in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Tempe typically reaches 11, which falls under the extreme exposure category.

Data source: Tempe August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How August Weather in Tempe Compares to Other Months

Weather in Tempe varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Tempe, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Tempe, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	25 mm (1.0 inches)	76%	moderate
February Weather	14°C (57°F)	37 mm (1.4 inches)	79%	high
March Weather	18°C (65°F)	29 mm (1.2 inches)	67%	very high
April Weather	24°C (75°F)	1 mm (0.1 inches)	55%	very high
May Weather	28°C (82°F)	2 mm (0.1 inches)	40%	extreme
June Weather	34°C (93°F)	2 mm (0.1 inches)	33%	extreme
July Weather	35°C (95°F)	37 mm (1.4 inches)	34%	extreme
August Weather	35°C (95°F)	39 mm (1.5 inches)	48%	extreme
September Weather	32°C (89°F)	27 mm (1.1 inches)	64%	very high
October Weather	24°C (76°F)	26 mm (1.0 inches)	67%	high
November Weather	18°C (66°F)	21 mm (0.8 inches)	77%	moderate
December Weather	13°C (55°F)	23 mm (0.9 inches)	82%	moderate