San Diego weather in August 2019

  • 27°C maximum daytime temperature in August in San Diego27
    27°C max day temperature
  • 10 hours of sunshine per day (73% of daylight hours) in August in San Diego10
    10 hours of sunshine per day
  • 1 day with some rainfall in August in San Diego1
    1 day with some rainfall
  • 18°C minimum night-time temperature in August in San Diego18
    18°C min night temperature
  • 13 hours of daylight per day in August in San Diego13
    13 hours of daylight per day
  • Moderate heat & humidity in August in San DiegoM
    Moderate heat & humidity
  • 2 mm monthly rainfall in August in San Diego2
    2 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in San Diego10
    10 (Very High) UV index
  • 20°C sea temperature in August in San Diego20
    20°C sea temperature

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Expect 27°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in San Diego in August. Check more long-term weather averages for San Diego in August before you book your next holiday to California in 2019/2020.

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The August weather guide for San Diego, California 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 San Diego weather in August

The average maximum daytime temperature in San Diego in August is a warm 27°C (81°F) with moderate heat & humidity. The average night-time temperature is usually a comfortable 18°C (64°F). There are usually 10 hours of bright sunshine each day, which represents 73% of the 13 hours of daylight.

Expect 2mm (0.1 inches) of rainfall across the whole of August with 1 day 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 San Diego in August is 20°C (68°F).

San Diego sunrise & sunset times for August 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 06:03 19:47
Friday, 2nd August 2019 06:03 19:46
Saturday, 3rd August 2019 06:04 19:45
Sunday, 4th August 2019 06:05 19:44
Monday, 5th August 2019 06:05 19:44
Tuesday, 6th August 2019 06:06 19:43
Wednesday, 7th August 2019 06:07 19:42
Thursday, 8th August 2019 06:07 19:41
Friday, 9th August 2019 06:08 19:40
Saturday, 10th August 2019 06:09 19:39
Sunday, 11th August 2019 06:09 19:38
Monday, 12th August 2019 06:10 19:37
Tuesday, 13th August 2019 06:11 19:36
Wednesday, 14th August 2019 06:11 19:35
Thursday, 15th August 2019 06:12 19:34
Friday, 16th August 2019 06:13 19:33
Saturday, 17th August 2019 06:13 19:32
Sunday, 18th August 2019 06:14 19:30
Monday, 19th August 2019 06:15 19:29
Tuesday, 20th August 2019 06:15 19:28
Wednesday, 21st August 2019 06:16 19:27
Thursday, 22nd August 2019 06:17 19:26
Friday, 23rd August 2019 06:17 19:25
Saturday, 24th August 2019 06:18 19:23
Sunday, 25th August 2019 06:19 19:22
Monday, 26th August 2019 06:19 19:21
Tuesday, 27th August 2019 06:20 19:20
Wednesday, 28th August 2019 06:21 19:18
Thursday, 29th August 2019 06:21 19:17
Friday, 30th August 2019 06:22 19:16
Saturday, 31st August 2019 06:23 19:15
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Below are average maximum temperatures at popular destinations in California in August. Select a destination to see more weather parameters.

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