Overview
San Francisco, located in the United States, has been experiencing significant changes in its climate. The data from multiple stations in the region, including the San Francisco International Airport, indicate a notable warming trend over the years.
Trends
From the period of 1948–1957 to 2015–2025, the mean temperature in San Francisco has increased by 2.19°C. The first ten years recorded a mean temperature of 13.15°C, while the last ten years have seen an increase to 15.33°C.
Climate Data
- Population
- 3,364,979
- Observation Period
- 1948–2025
- Top Warmest Year
- 2014 at 16.68°C
- Record Coldest Year
- 1949 at 12.61°C
Context
San Francisco's warming trend is consistent with national averages, where the mean annual temperature from 1991–2020 was approximately 14.93°C. The city's climate is also significantly warmer than Paris, with a difference of 2.15°C.
Impacts
The increase in temperatures may lead to heightened risks of heat waves and droughts in the region. These changes can significantly impact local ecosystems and urban living conditions.
Records
| Year | Temperature (°C) |
|---|---|
| 2014 | 16.68 |
| 2015 | 15.78 |
| 2020 | 15.65 |
| 1958 | 15.59 |
| 2017 | 15.49 |