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 plus sunrise & sunset times 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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  • Depart from Manchester Airport
  • Prices shown are one way based on return flights

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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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