Jacksonville weather in August 2019

  • 33°C maximum daytime temperature in August in Jacksonville33
    33°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in August in Jacksonville15
    15 days with some rainfall
  • 22°C minimum night-time temperature in August in Jacksonville22
    22°C min night temperature
  • 13 hours of daylight per day in August in Jacksonville13
    13 hours of daylight per day
  • Very high heat & humidity in August in JacksonvilleVH
    Very High heat & humidity
  • 186 mm monthly rainfall in August in Jacksonville186
    186 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Jacksonville10
    10 (Very High) UV index
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The August weather guide for Jacksonville, Florida 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.

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

Guide to Jacksonville weather in August

The average maximum daytime temperature in Jacksonville in August is a hot 33°C (91°F) with very high heat & humidity. The average night-time temperature is usually a warm 22°C (72°F). There are usually 8 hours of bright sunshine each day, which represents 64% of the 13 hours of daylight.

Expect 186mm (7.3 inches) of rainfall across the whole of August with 15 days with some rain falling. Maximum UV levels will be very high (10 UV index) at midday when the skies are clear.

Jacksonville sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Jacksonville in August 2019. Select a month to view Jacksonville sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Thursday, 1st August 2019 06:45 20:21
Friday, 16th August 2019 06:54 20:07
Saturday, 31st August 2019 07:03 19:51
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Where's hot in Florida in August?

Below are average maximum temperatures at popular destinations in Florida in August. Select a destination to see more weather parameters.

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