Sanibel Island weather in August 2019

  • 33°C maximum daytime temperature in August in Sanibel Island33
    33°C max day temperature
  • 9 hours of sunshine per day
  • 16 days with some rainfall in August in Sanibel Island16
    16 days with some rainfall
  • 24°C minimum night-time temperature in August in Sanibel Island24
    24°C min night temperature
  • 13 hours of daylight per day in August in Sanibel Island13
    13 hours of daylight per day
  • Very high heat & humidity in August in Sanibel IslandVH
    Very High heat & humidity
  • 223 mm monthly rainfall in August in Sanibel Island223
    223 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Sanibel Island11
    11 (Extreme) UV index
  • 30°C sea temperature in August in Sanibel Island30
    30°C sea temperature

Going to Sanibel Island? Find the best month to visit Sanibel Island based on the weather.

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Expect 33°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Sanibel Island in August. Check more long-term weather averages for Sanibel Island in August before you book your next holiday to Florida in 2019/2020.

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More about Sanibel Island

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The August weather guide for Sanibel Island, 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.

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

Guide to Sanibel Island weather in August

The average maximum daytime temperature in Sanibel Island in August is a hot 33°C (91°F) with very high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 9 hours of bright sunshine each day, which represents 67% of the 13 hours of daylight.

Expect 223mm (8.8 inches) of rainfall across the whole of August with 16 days with some rain falling. Maximum UV levels will be extreme (11 UV index) at midday when the skies are clear.

The average sea temperature in and around Sanibel Island in August is 30°C (86°F).

Sanibel Island sunrise & sunset times for August 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 06:53 20:15
Friday, 2nd August 2019 06:54 20:15
Saturday, 3rd August 2019 06:54 20:14
Sunday, 4th August 2019 06:55 20:13
Monday, 5th August 2019 06:55 20:13
Tuesday, 6th August 2019 06:56 20:12
Wednesday, 7th August 2019 06:56 20:11
Thursday, 8th August 2019 06:57 20:10
Friday, 9th August 2019 06:57 20:10
Saturday, 10th August 2019 06:58 20:09
Sunday, 11th August 2019 06:58 20:08
Monday, 12th August 2019 06:59 20:07
Tuesday, 13th August 2019 06:59 20:06
Wednesday, 14th August 2019 07:00 20:06
Thursday, 15th August 2019 07:00 20:05
Friday, 16th August 2019 07:01 20:04
Saturday, 17th August 2019 07:01 20:03
Sunday, 18th August 2019 07:02 20:02
Monday, 19th August 2019 07:02 20:01
Tuesday, 20th August 2019 07:03 20:00
Wednesday, 21st August 2019 07:03 19:59
Thursday, 22nd August 2019 07:03 19:58
Friday, 23rd August 2019 07:04 19:57
Saturday, 24th August 2019 07:04 19:56
Sunday, 25th August 2019 07:05 19:55
Monday, 26th August 2019 07:05 19:54
Tuesday, 27th August 2019 07:06 19:53
Wednesday, 28th August 2019 07:06 19:52
Thursday, 29th August 2019 07:07 19:51
Friday, 30th August 2019 07:07 19:50
Saturday, 31st August 2019 07:07 19:49
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Below are average maximum temperatures at popular destinations in Florida in August. Select a destination to see more weather parameters.

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