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San Francisco US

Spring 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
Mar 1	4.5 hours/day
Mar 8	5.7 hours/day
Mar 15	5.2 hours/day
Mar 22	6.4 hours/day
Apr 1	6.1 hours/day
Apr 8	9.1 hours/day
Apr 15	8.3 hours/day
Apr 22	9.3 hours/day
May 1	10.3 hours/day
May 8	10.8 hours/day
May 15	10.1 hours/day
May 22	10.8 hours/day
Average	8.0 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
Mar 1	11:07 hours
Mar 8	11:39 hours
Mar 15	12:04 hours
Mar 22	12:25 hours
Apr 1	12:36 hours
Apr 8	12:42 hours
Apr 15	12:49 hours
Apr 22	12:56 hours
May 1	13:03 hours
May 8	13:10 hours
May 15	13:16 hours
May 22	13:22 hours
Average	12:36 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

Spring 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
Mar 1	13.6°C
Mar 8	15.0°C
Mar 15	14.7°C
Mar 22	15.5°C
Apr 1	16.1°C
Apr 8	16.5°C
Apr 15	16.8°C
Apr 22	18.4°C
May 1	18.5°C
May 8	18.6°C
May 15	18.1°C
May 22	18.9°C
Average	16.7°C

Period	San Francisco
Mar 1	8.2°C
Mar 8	9.0°C
Mar 15	8.8°C
Mar 22	9.2°C
Apr 1	9.6°C
Apr 8	9.5°C
Apr 15	9.9°C
Apr 22	10.8°C
May 1	10.7°C
May 8	11.0°C
May 15	11.2°C
May 22	11.4°C
Average	9.9°C

Period	San Francisco
Mar 1	2.8mm
Mar 8	4.7mm
Mar 15	3.4mm
Mar 22	2.6mm
Apr 1	2.3mm
Apr 8	0.8mm
Apr 15	0.9mm
Apr 22	0.1mm
May 1	0.8mm
May 8	0.1mm
May 15	1.2mm
May 22	0.2mm
Average	1.7mm

Period	San Francisco
Mar 1	20.6km/h
Mar 8	19.2km/h
Mar 15	17.4km/h
Mar 22	20.1km/h
Apr 1	19.7km/h
Apr 8	20.1km/h
Apr 15	18.2km/h
Apr 22	19.5km/h
May 1	19.7km/h
May 8	19.6km/h
May 15	21.3km/h
May 22	19.3km/h
Average	19.6km/h

Period	San Francisco
Mar 1	73.1%
Mar 8	75.2%
Mar 15	74.9%
Mar 22	73.4%
Apr 1	72.3%
Apr 8	72.1%
Apr 15	73.2%
Apr 22	72.4%
May 1	71.8%
May 8	72.7%
May 15	74.7%
May 22	74.7%
Average	73.4%

Period	San Francisco
Mar 1	6:37
Mar 8	6:52
Mar 15	7:16
Mar 22	7:03
Apr 1	6:50
Apr 8	6:40
Apr 15	6:30
Apr 22	6:19
May 1	6:10
May 8	6:03
May 15	5:58
May 22	5:52
Average	6:30

Period	San Francisco
Mar 1	18:07
Mar 8	18:39
Mar 15	19:20
Mar 22	19:28
Apr 1	19:36
Apr 8	19:42
Apr 15	19:49
Apr 22	19:56
May 1	20:03
May 8	20:10
May 15	20:16
May 22	20:22
Average	19:36