San Francisco County 气候 and Average 天气
气候 of San Francisco County: average temperatures, rainfall and seasons month by month.
气候 in San Francisco County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | 15° | 8° | 84 mm | ★★★☆☆ |
| 二月 | 15° | 9° | 141 mm | ★★★☆☆ |
| 三月 | 18° | 10° | 76 mm | ★★★★☆ |
| 四月 | 17° | 10° | 52 mm | ★★★★☆ |
| 五月 | 19° | 11° | 15 mm | ★★★★★ |
| 六月 | 19° | 12° | 0 mm | ★★★★★ |
| 七月 | 19° | 13° | 2 mm | ★★★★★ |
| 八月 | 20° | 14° | 1 mm | ★★★★★ |
| 九月 | 21° | 14° | 5 mm | ★★★★★ |
| 十月 | 22° | 13° | 19 mm | ★★★★★ |
| 十一月 | 17° | 10° | 104 mm | ★★★☆☆ |
| 十二月 | 14° | 9° | 148 mm | ★★★☆☆ |
气候 type: Mediterranean. 来源： Open-Meteo archive (ERA5).
Recent extremes in San Francisco County
高est and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How San Francisco County compares，天气为nearby places
Annual averages, and the difference against San Francisco County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Area Code 415 | 0 km | 14°C | about the same | 647 mm |
| San Francisco | 0 km | 14°C | about the same | 647 mm |
| ZIP Code 94102 | 0 km | 14°C | about the same | 647 mm |
| Mission District | 2 km | 14°C | about the same | 647 mm |
| ZIP Code 94133 | 3 km | 14°C | about the same | 647 mm |
最佳旅游时间 San Francisco County
Go in 五月, 六月, 七月, 八月, 九月 and 十月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 一月, 二月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
What this means for San Francisco County
Today is slightly cooler than average for 十月. The forecast high of 18°C is 3.9°C below the 22°C typical for this month.
雨 is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in 六月至八月.
The gap between the warmest and coldest month averages 6°C - an unusually even climate through the year.
What至pack, what至skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
摘要
San Francisco County is a county in California. San Francisco County is a county in the United States. 人口约为810.000.
目前气温为12°C (54°F) in San Francisco County，天气为晴. 体感温度为10°C. 今天气温在11°C至18°C. 降水概率为1%. Sightseeing conditions score 9/10 - 极佳 — 现在适合出行.
最佳旅游时间是San Francisco County is 五月, 六月, 七月, 八月, 九月 and 十月. 气候为Mediterranean. 一月, 二月 and 十二月 tend至be the least comfortable months. 十月 is the warmest month，天气为average highs near 22°C, while 一月 is the coldest，天气为lows near 8°C.
The closest major airport is San Francisco International Airport (SFO), about 17 km away. Nearby highlights include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve and Pinnacles National Park.
简单来说。 Today is slightly cooler than average for 十月. The forecast high of 18°C is 3.9°C below the 22°C typical for this month. The best window至be outside is roughly 1 PM至4 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in San Francisco County today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about San Francisco County
| 类型 | County |
|---|---|
| State | California |
| 国家 | 美国 |
| 大洲 | 北美洲 |
| 坐标 | 37°46′29.6″N 122°25′9.8″W (37.7749, -122.4194) |
| 人口 | 810.000 |
| 当地时间 | 12:10 PM (UTC-07:00) |
| Best months | 五月, 六月, 七月, 八月, 九月 and 十月 |
| 气候 | Mediterranean |
天气 map for San Francisco County
Animated model layers. Pick a layer至load it.
Animated layers by 风y. For pin-level detail and nearby places, see the interactive map below.
Explore San Francisco County
Every topic we hold for this place, and the same topic for the places around it.
气候 for related places
Frequently asked questions
Where is San Francisco County?
San Francisco County is a county in California. Its coordinates are 37.7749, -122.4194. It lies in 北美洲.
What is the weather like in San Francisco County现在?
It is currently 12°C (54°F)，天气为晴. 湿度 is 79% and wind is 15 km/h.
When is the best time至visit San Francisco County?
五月, 六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in San Francisco County, which has a Mediterranean climate. 一月, 二月 and 十二月 are usually the hardest months for outdoor plans.
What time zone is San Francisco County in?
San Francisco County observes America/Los_Angeles (UTC-07:00). The local time is 12:10 PM.
How many people live in San Francisco County?
San Francisco County has a population of approximately 810.000.
What is the nearest airport至San Francisco County?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things至do in San Francisco County?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, 七月ia Pfeiffer Burns State Park and Emerald Bay State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天气 Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated 十月 27, 2026 at 12:10 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
