Weather in San Francisco in May 2017

Check the weather in San Francisco in May based on long-term weather averages before you book your next holiday to California in 2017. Expect daytime temperatures to reach 18°C with on average 11 hours of sunshine per day in San Francisco in May.

What is the weather like in San Francisco in May?
How hot is San Francisco in May? 18°C
How sunny is San Francisco in May? 11 sunshine hours/day
How wet is San Francisco in May? 7 mm rainfall
How warm is the sea around San Francisco in May? 11°C

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

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

  • Book low fares on flights to Los Angeles with Virgin Atlantic
  • Flights depart from London Heathrow Airport
  • Join Flying Club & earn miles with every booking

More about San Francisco

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

More about San Francisco weather in May

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). The weather in San Francisco in May is represented by San Francisco.

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
  • Book special offers on Virgin Atlantic flights to San Francisco
  • Flights depart from London Heathrow Airport
  • Return flights to San Francisco from £462

Expires at 23:59 on Tuesday 2nd May 2017 · View all Virgin Atlantic offers

Back to top

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.

Back to top

Popular California destinations

More California destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

More destinations

Related posts

Popular travel offers

Top ^