Fayetteville weather in August 2025

Expect daytime maximum temperatures of 90°F in Fayetteville, Arkansas in August and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 3.6 inches of rainfall in the month.

  • 90°F maximum daytime temperature in August in Fayetteville90
    90°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in August in Fayetteville8
    8 days with some rainfall
  • 66°F minimum night-time temperature in August in Fayetteville66
    66°F min night temperature
  • 13 hours of daylight per day in August in Fayetteville13
    13 hours of daylight per day
  • High heat & humidity in August in FayettevilleH
    High heat & humidity
  • 3.6 inches monthly rainfall in August in Fayetteville3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Fayetteville9
    9 (Very High) UV index

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The August weather guide for Arkansas (Fayetteville) 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)  |  Imperial (°F)

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How hot is it in Fayetteville in August?

Daytime temperatures usually reach 90°F in Fayetteville in August with high heat and humidity, falling to 66°F at night.

How sunny is it in Fayetteville in August?

There are normally 9 hours of bright sunshine each day in Fayetteville in August - that's 70% of daylight hours.

Does it rain in Fayetteville in August?

There are usually 8 days with some rain in Fayetteville in August and the average monthly rainfall is 3.6 inches.

Fayetteville August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:24 19:21
Saturday, 16th August 2025 05:36 19:05
Sunday, 31st August 2025 05:48 18:45

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