Weather in San Francisco in October 2018

  • 21°C maximum daytime temperature in October in San Francisco21
    21°C max day temperature
  • 8 hours of sunshine per day (72% of daylight hours) in October in San Francisco8
    8 hours of sunshine per day
  • 4 days with some rainfall in October in San Francisco4
    4 days with some rainfall
  • 12°C minimum night-time temperature in October in San Francisco12
    12°C min night temperature
  • 11 hours of daylight per day in October in San Francisco11
    11 hours of daylight per day
  • No heat & humidity in October in San Francisco0
    No heat & humidity
  • 35 mm monthly rainfall in October in San Francisco35
    35 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in October in San Francisco5
    5 (Moderate) UV index
  • 14°C sea temperature in October in San Francisco14
    14°C sea temperature

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Expect 21°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in San Francisco in October. Check more long-term weather averages for San Francisco in October before you book your next holiday to California in 2018.

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

Guide to San Francisco weather in October

The average maximum daytime temperature in San Francisco in October is a comfortable 21°C (70°F). The average night-time temperature is usually a cool 12°C (54°F). There are usually 8 hours of bright sunshine each day, which represents 72% of the 11 hours of daylight.

Expect 35mm (1.4 inches) of rainfall across the whole of October with 4 days with some rain falling. Maximum UV levels will be moderate (5 UV index) at midday when the skies are clear.

The average sea temperature in and around San Francisco in October is 14°C (57°F).

San Francisco sunrise & sunset times for October 2018

Browse the sunrise & sunset times for San Francisco in October 2018. Select a month to view San Francisco sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st October 2018 07:05 18:53
Tuesday, 2nd October 2018 07:06 18:51
Wednesday, 3rd October 2018 07:07 18:49
Thursday, 4th October 2018 07:08 18:48
Friday, 5th October 2018 07:09 18:46
Saturday, 6th October 2018 07:10 18:45
Sunday, 7th October 2018 07:11 18:43
Monday, 8th October 2018 07:12 18:42
Tuesday, 9th October 2018 07:13 18:41
Wednesday, 10th October 2018 07:13 18:39
Thursday, 11th October 2018 07:14 18:38
Friday, 12th October 2018 07:15 18:36
Saturday, 13th October 2018 07:16 18:35
Sunday, 14th October 2018 07:17 18:33
Monday, 15th October 2018 07:18 18:32
Tuesday, 16th October 2018 07:19 18:31
Wednesday, 17th October 2018 07:20 18:29
Thursday, 18th October 2018 07:21 18:28
Friday, 19th October 2018 07:22 18:27
Saturday, 20th October 2018 07:23 18:25
Sunday, 21st October 2018 07:24 18:24
Monday, 22nd October 2018 07:25 18:23
Tuesday, 23rd October 2018 07:26 18:21
Wednesday, 24th October 2018 07:27 18:20
Thursday, 25th October 2018 07:28 18:19
Friday, 26th October 2018 07:29 18:18
Saturday, 27th October 2018 07:30 18:16
Sunday, 28th October 2018 07:31 18:15
Monday, 29th October 2018 07:32 18:14
Tuesday, 30th October 2018 07:33 18:13
Wednesday, 31st October 2018 07:34 18:12
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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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