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San Francisco US

Summer weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

Maximum Temperatures

Minimum Temperatures

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions

Sunny Weather

Period	San Francisco
Jun 1	12.4 hours/day
Jun 8	11.2 hours/day
Jun 15	13.9 hours/day
Jun 22	11.7 hours/day
Jul 1	12.3 hours/day
Jul 8	12.9 hours/day
Jul 15	12.3 hours/day
Jul 22	11.8 hours/day
Aug 1	11.1 hours/day
Aug 8	11.5 hours/day
Aug 15	10.9 hours/day
Aug 22	11.5 hours/day
Average	12.0 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Humidity

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Astronomy

Sunrise Time

Sunrise times are output in the local timezone of each place.

Sunset Time

Sunset times are output in the local timezone of each place.

Useful Day Length

Period	San Francisco
Jun 1	13:28 hours
Jun 8	13:32 hours
Jun 15	13:34 hours
Jun 22	13:35 hours
Jul 1	13:35 hours
Jul 8	13:32 hours
Jul 15	13:29 hours
Jul 22	13:23 hours
Aug 1	13:14 hours
Aug 8	13:07 hours
Aug 15	12:58 hours
Aug 22	12:47 hours
Average	13:24 hours

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

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Weather in San Francisco

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Daily Forecast

Summer weather

Temperatures

Conditions

Astronomy

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	San Francisco US
Today Thu May 22
Fri May 23
Sat May 24
Sun May 25
Mon May 26
Tue May 27
Wed May 28

Period	San Francisco
Jun 1	20.1°C
Jun 8	20.7°C
Jun 15	21.4°C
Jun 22	20.9°C
Jul 1	21.1°C
Jul 8	22.0°C
Jul 15	21.5°C
Jul 22	21.6°C
Aug 1	21.8°C
Aug 8	22.2°C
Aug 15	22.7°C
Aug 22	22.7°C
Average	21.6°C

Period	San Francisco
Jun 1	12.0°C
Jun 8	12.9°C
Jun 15	13.0°C
Jun 22	13.1°C
Jul 1	13.0°C
Jul 8	13.4°C
Jul 15	13.3°C
Jul 22	13.6°C
Aug 1	14.0°C
Aug 8	14.5°C
Aug 15	14.8°C
Aug 22	14.5°C
Average	13.5°C

Period	San Francisco
Jun 1	0.0mm
Jun 8	0.1mm
Jun 15	0.0mm
Jun 22	0.0mm
Jul 1	0.0mm
Jul 8	0.0mm
Jul 15	0.0mm
Jul 22	0.0mm
Aug 1	0.0mm
Aug 8	0.0mm
Aug 15	0.0mm
Aug 22	0.0mm
Average	0.0mm

Period	San Francisco
Jun 1	19.7km/h
Jun 8	20.0km/h
Jun 15	19.7km/h
Jun 22	18.5km/h
Jul 1	18.3km/h
Jul 8	17.1km/h
Jul 15	17.5km/h
Jul 22	16.7km/h
Aug 1	17.0km/h
Aug 8	17.3km/h
Aug 15	16.9km/h
Aug 22	16.2km/h
Average	17.9km/h

Period	San Francisco
Jun 1	73.6%
Jun 8	71.3%
Jun 15	71.3%
Jun 22	74.5%
Jul 1	75.0%
Jul 8	75.1%
Jul 15	76.6%
Jul 22	75.1%
Aug 1	76.5%
Aug 8	75.6%
Aug 15	75.6%
Aug 22	74.6%
Average	74.6%

Period	San Francisco
Jun 1	5:49
Jun 8	5:47
Jun 15	5:48
Jun 22	5:50
Jul 1	5:53
Jul 8	5:58
Jul 15	6:02
Jul 22	6:09
Aug 1	6:16
Aug 8	6:22
Aug 15	6:28
Aug 22	6:35
Average	6:06

Period	San Francisco
Jun 1	20:28
Jun 8	20:32
Jun 15	20:34
Jun 22	20:35
Jul 1	20:35
Jul 8	20:32
Jul 15	20:29
Jul 22	20:23
Aug 1	20:14
Aug 8	20:07
Aug 15	19:58
Aug 22	19:47
Average	20:24