Fresno weather in August 2026

Expect daytime maximum temperatures of 36°C in Fresno, California in August and very high heat and humidity based on long-term weather averages. There are 13 hours of sunshine per day on average.

  • 36°C maximum daytime temperature in August in Fresno36
    36°C max day temperature
  • 13 hours of sunshine per day
  • 0 days with some rainfall in August in Fresno0
    0 days with some rainfall
  • 17°C minimum night-time temperature in August in Fresno17
    17°C min night temperature
  • 14 hours of daylight per day in August in Fresno14
    14 hours of daylight per day
  • Very high heat & humidity in August in FresnoVH
    Very High heat & humidity
  • 1 mm monthly rainfall in August in Fresno1
    1 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Fresno9
    9 (Very High) UV index

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The August weather guide for California (Fresno) 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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How hot is it in Fresno in August?

Daytime temperatures usually reach 30°C in Fresno in August with moderate heat and humidity, falling to 18°C at night.

How sunny is it in Fresno in August?

There are normally 11 hours of bright sunshine each day in Fresno in August - that's 83% of daylight hours.

Does it ever rain in Fresno in August?

There is usually 1 day with some rain in Fresno in August and the average monthly rainfall is 4mm.

Fresno August sunrise & sunset times

Browse the sunrise and sunset times for Fresno in August 2026. Select a month to view Fresno sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 05:05 19:05
Sunday, 16th August 2026 05:17 18:49
Monday, 31st August 2026 05:29 18:29

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