San Francisco Airport
Climate in the San Francisco Airport area, Year-round
San Francisco International Airport (SFO) enjoys a Mediterranean climate, characterized by warm, dry summers and mild, wet winters. The average annual temperature at SFO is 55°F (13°C), with highs ranging from 58°F (14°C) in January to 75°F (24°C) in September. Lows range from 46°F (8°C) in January to 55°F (13°C) in September.
Rainfall
San Francisco receives an average of 19 inches (483 mm) of rain per year. Most of the rainfall occurs during the winter months, from December to March, with an average of 4 inches (102 mm) per month. Summers are typically dry, with an average of only 0.1 inches (3 mm) of rain per month.
Related weather news
San Francisco is known for its fog, which is most common during the summer months. The fog is caused by the cool ocean air meeting the warm land air. It can sometimes obscure visibility and make driving conditions hazardous.
In recent years, San Francisco has experienced more extreme weather events, such as heat waves, droughts, and wildfires. These events are likely to become more common due to climate change.
Here is a table of the average temperature and rainfall in the San Francisco Airport area, year round:
| Month | Average high temperature (°F) | Average low temperature (°F) | Average rainfall (inches) |
|---|---|---|---|
| January | 58 | 46 | 4.4 |
| February | 59 | 48 | 3.2 |
| March | 61 | 48 | 3.0 |
| April | 63 | 50 | 1.3 |
| May | 66 | 50 | 0.3 |
| June | 70 | 52 | 0.1 |
| July | 72 | 54 | 0.0 |
| August | 72 | 54 | 0.0 |
| September | 75 | 55 | 0.2 |
| October | 70 | 55 | 1.0 |
| November | 64 | 50 | 2.4 |
| December | 57 | 46 | 3.5 |
Annual average temperature: 63°F (17°C) Annual average rainfall: 19 inches (483 mm)
Weather news
- In 2021, San Francisco experienced its foggiest summer on record, with fog blanketing the city for an average of 18 hours per day.
- In 2022, San Francisco was hit by a severe drought, with water restrictions implemented throughout the city.
- Wildfires are becoming more common in the San Francisco area due to climate change. In 2020, the city was threatened by several large wildfires that destroyed homes and businesses.
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Google’s AI Bard
Information provided by Bard, a “Large Evolving Intelligence model” (LEIM) from Google AI.