Weather in Galveston in August 2018

  • 31°C maximum daytime temperature in August in Galveston31
    31°C max day temperature
  • 9 hours of sunshine per day (68% of daylight hours) in August in Galveston9
    9 hours of sunshine per day
  • 9 days with some rainfall in August in Galveston9
    9 days with some rainfall
  • 26°C minimum night-time temperature in August in Galveston26
    26°C min night temperature
  • 13 hours of daylight per day in August in Galveston13
    13 hours of daylight per day
  • Very high heat & humidity in August in GalvestonVH
    Very High heat & humidity
  • 110 mm monthly rainfall in August in Galveston110
    110 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Galveston10
    10 (Very High) UV index
  • 30°C sea temperature in August in Galveston30
    30°C sea temperature

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Expect 31°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Galveston in August. Check more long-term weather averages for Galveston in August before you book your next holiday to Texas in 2018.

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More about Galveston

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

Guide to Galveston weather in August

The average maximum daytime temperature in Galveston in August is a hot 31°C (88°F) with very high heat & humidity. The average night-time temperature is usually a warm 26°C (79°F). There are usually 9 hours of bright sunshine each day, which represents 68% of the 13 hours of daylight.

Expect 110mm (4.3 inches) of rainfall across the whole of August with 9 days with some rain falling. Maximum UV levels will be very high (10 UV index) at midday when the skies are clear.

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

Galveston sunrise & sunset times for August 2018

Browse the sunrise & sunset times for Galveston in August 2018. Select a month to view Galveston sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st August 2018 06:40 20:11
Thursday, 2nd August 2018 06:40 20:10
Friday, 3rd August 2018 06:41 20:10
Saturday, 4th August 2018 06:41 20:09
Sunday, 5th August 2018 06:42 20:08
Monday, 6th August 2018 06:42 20:07
Tuesday, 7th August 2018 06:43 20:06
Wednesday, 8th August 2018 06:44 20:06
Thursday, 9th August 2018 06:44 20:05
Friday, 10th August 2018 06:45 20:04
Saturday, 11th August 2018 06:45 20:03
Sunday, 12th August 2018 06:46 20:02
Monday, 13th August 2018 06:46 20:01
Tuesday, 14th August 2018 06:47 20:00
Wednesday, 15th August 2018 06:48 19:59
Thursday, 16th August 2018 06:48 19:58
Friday, 17th August 2018 06:49 19:57
Saturday, 18th August 2018 06:49 19:56
Sunday, 19th August 2018 06:50 19:55
Monday, 20th August 2018 06:50 19:54
Tuesday, 21st August 2018 06:51 19:53
Wednesday, 22nd August 2018 06:51 19:52
Thursday, 23rd August 2018 06:52 19:51
Friday, 24th August 2018 06:53 19:50
Saturday, 25th August 2018 06:53 19:49
Sunday, 26th August 2018 06:54 19:48
Monday, 27th August 2018 06:54 19:47
Tuesday, 28th August 2018 06:55 19:46
Wednesday, 29th August 2018 06:55 19:44
Thursday, 30th August 2018 06:56 19:43
Friday, 31st August 2018 06:56 19:42
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