Weather in San Francisco

• All Year
• Autumn
• Winter
• Spring
• Summer

Yearly weather

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

Temperatures #

• San Francisco maintains comfortable temperatures throughout the year, with average monthly temperatures consistently falling within the 64.4F to 78.80000000000001F range from May to October

• The lowest temperatures occur in January, February, and December, but they remain above discomfort levels

• The highest temperatures are reached in August and September.

Conditions #

• In San Francisco, sun hours tend to peak in the summer months, with June and July averaging around 12 hours of sunshine per day, while that figure drops to just 3.6 hours in December.

• Precipitation levels are notably low during the summer, particularly in July and August when no measurable rainfall occurs, contrasting sharply with December's higher precipitation of 0.18 inches.

Daylight Hours #

• In San Francisco, the earliest sunrise occurs in June at 5:48 AM, while the latest sunrise is recorded in January at 7:22 AM.

• Conversely, the city's latest sunset happens also in June at 8:32 PM, and the earliest sunset is in December at 4:53 PM, which highlights the significant seasonal variation in daylight hours.

• The shortest day of the year is in December, with just 9 hours and 35 minutes of daylight, whereas the longest day in June boasts a duration of 14 hours and 43 minutes, indicating a wide range in day length correlating with the changing seasons.