Tucson weather in August 2025

Expect daytime maximum temperatures of 36°C in Tucson, Arizona in August and very high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 54 mm of rainfall in the month.

  • 36°C maximum daytime temperature in August in Tucson36
    36°C max day temperature
  • 11 hours of sunshine per day
  • 9 days with some rainfall in August in Tucson9
    9 days with some rainfall
  • 23°C minimum night-time temperature in August in Tucson23
    23°C min night temperature
  • 13 hours of daylight per day in August in Tucson13
    13 hours of daylight per day
  • Very high heat & humidity in August in TucsonVH
    Very High heat & humidity
  • 54 mm monthly rainfall in August in Tucson54
    54 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Tucson11
    11 (Extreme) UV index

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The August weather guide for Arizona (Tucson) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Arizona

How hot is it in Tucson in August?

Daytime temperatures usually reach 36°C in Tucson in August with very high heat and humidity, falling to 23°C at night.

How sunny is it in Tucson in August?

There are normally 11 hours of bright sunshine each day in Tucson in August - that's 81% of daylight hours.

Does it ever rain in Tucson in August?

There are usually 9 days with some rain in Tucson in August and the average monthly rainfall is 54mm.

Tucson August sunrise & sunset times

Browse the sunrise and sunset times for Tucson in August 2025. Select a month to view Tucson sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:39 19:21
Saturday, 16th August 2025 05:49 19:06
Sunday, 31st August 2025 05:58 18:49

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