Weather in San Francisco in May 2017

Check the weather in San Francisco in May before you book your next holiday in California. Long-term weather averages give the best indication of the weather in May 2017 and include figures for temperature, sunshine and rainfall for San Francisco, California, United States.

Weather in San Francisco in May

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

  • 18°C maximum daytime temperature in May in San Francisco18
    18°C max day temperature
  • 11 hours of sunshine per day (75% of daylight hours) in May in San Francisco11
    11 hours of sunshine per day
  • 3 days with some rainfall in May in San Francisco3
    3 days with some rainfall
  • 10°C minimum night-time temperature in May in San Francisco10
    10°C min night temperature
  • 14 hours of daylight per day in May in San Francisco14
    14 hours of daylight per day
  • No heat & humidity in May in San Francisco0
    No heat & humidity
  • 7 mm monthly rainfall in May in San Francisco7
    7 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in San Francisco8
    8 (Very High) UV index
  • 11°C sea temperature in May in San Francisco11
    11°C sea temperature

The average maximum daytime temperature in San Francisco in May is a comfortable 18°C (64°F). There are usually 11 hours of bright sunshine each day, which represents 75% of the 14 hours of daylight. The average sea temperature in and around San Francisco in May is 11°C (52°F).

Expect 7mm (0.3 inches) of rainfall across the whole of May with 3 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear. The average night-time temperature is usually a cool 10°C (50°F).

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

More about San Francisco weather

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San Francisco sunrise & sunset times for May 2017

Browse the sunrise & sunset times for San Francisco in May 2017. Select a month to view San Francisco sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st May 2017 06:13 20:01
Tuesday, 2nd May 2017 06:12 20:01
Wednesday, 3rd May 2017 06:11 20:02
Thursday, 4th May 2017 06:10 20:03
Friday, 5th May 2017 06:09 20:04
Saturday, 6th May 2017 06:08 20:05
Sunday, 7th May 2017 06:07 20:06
Monday, 8th May 2017 06:06 20:07
Tuesday, 9th May 2017 06:05 20:08
Wednesday, 10th May 2017 06:04 20:09
Thursday, 11th May 2017 06:03 20:10
Friday, 12th May 2017 06:02 20:10
Saturday, 13th May 2017 06:01 20:11
Sunday, 14th May 2017 06:00 20:12
Monday, 15th May 2017 05:59 20:13
Tuesday, 16th May 2017 05:59 20:14
Wednesday, 17th May 2017 05:58 20:15
Thursday, 18th May 2017 05:57 20:16
Friday, 19th May 2017 05:56 20:16
Saturday, 20th May 2017 05:56 20:17
Sunday, 21st May 2017 05:55 20:18
Monday, 22nd May 2017 05:54 20:19
Tuesday, 23rd May 2017 05:54 20:20
Wednesday, 24th May 2017 05:53 20:20
Thursday, 25th May 2017 05:52 20:21
Friday, 26th May 2017 05:52 20:22
Saturday, 27th May 2017 05:51 20:23
Sunday, 28th May 2017 05:51 20:23
Monday, 29th May 2017 05:50 20:24
Tuesday, 30th May 2017 05:50 20:25
Wednesday, 31st May 2017 05:50 20:26
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  • Fly direct from London Heathrow Airport (LHR)
  • Book economy, premium economy & upper class tickets

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San Francisco weather by month

Check San Francisco weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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