Best Time至Visit San Francisco
最佳旅遊時間 San Francisco: 五月, 六月, 七月, 八月, 九月 and 十月. 月份-by-month temperature, rainfall and crowd guidance.
最佳旅遊時間 San Francisco
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.
氣候 in San Francisco 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 | 21° | 14° | 1 mm | ★★★★★ |
| 九月 | 21° | 14° | 4 mm | ★★★★★ |
| 十月 | 22° | 13° | 19 mm | ★★★★★ |
| 十一月 | 17° | 10° | 104 mm | ★★★☆☆ |
| 十二月 | 14° | 9° | 148 mm | ★★★☆☆ |
氣候 type: Mediterranean. 來源： Open-Meteo archive (ERA5).
How San Francisco compares，天氣為nearby places
Annual averages, and the difference against San Francisco.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| San Francisco County | 0 km | 14°C | about the same | 646 mm |
| Napa | 59 km | 15°C | +1°C warmer | 768 mm |
| Santa Clara County | 62 km | 16°C | +2°C warmer | 555 mm |
| Sacramento | 121 km | 17°C | +3°C warmer | 692 mm |
| Point Lobos State Natural Reserve | 146 km | 14°C | about the same | 580 mm |
最佳旅遊時間 each attraction in San Francisco
2 attractions mapped in this atlas
最佳旅遊時間 each airport in San Francisco
1 airports mapped in this atlas
最佳旅遊時間 each district in San Francisco
2 districts and neighborhoods mapped in this atlas
最佳旅遊時間 each zip / postal code in San Francisco
2 zip and postal codes mapped in this atlas
最佳旅遊時間 each area code in San Francisco
1 area codes mapped in this atlas
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 is a city in California. San Francisco is known for Golden Gate Bridge and cable cars. 人口約為810.000.
目前氣溫為15°C (59°F) in San Francisco，天氣為陰天. 體感溫度為12°C. 今天氣溫介於12°C至20°C. 降雨機率為1%. Sightseeing conditions score 9.1/10 - 極佳 — 現在適合出發.
最佳旅遊時間是San Francisco is 五月, 六月, 七月, 八月, 九月 and 十月. 氣候為Mediterranean. 一月, 二月 and 十二月 tend至be the least comfortable months. 十月 is the warmest month，天氣為average highs near 22°C, while 一月 is the coldest，天氣為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.
簡單來說。 Today is about average for 八月. The forecast high of 20°C is in line，天氣為the 21°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. hiking is the strongest bet in San Francisco today at 9.2/10. 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.
天氣：San Francisco現在
Open-Meteo Updated 3:19 PM, 八月 21 local time.
Weekend outlook
⛅ 22° / 14°
局部多雲 · 2% rain · wind 24 km/h
☁️ 23° / 15°
陰天 · 0% rain · wind 15 km/h
可以做的事 in San Francisco
景點, parks and landmarks in and around San Francisco.
Quick facts about San Francisco
| 類型 | City |
|---|---|
| State | California |
| 國家 | 美國 |
| 洲 | 北美洲 |
| 座標 | 37°46′29.6″N 122°25′9.8″W (37.7749, -122.4194) |
| 人口 | 810.000 |
| Known for | Golden Gate Bridge and cable cars |
| 當地時間 | 3:19 PM (UTC-07:00) |
| Best months | 五月, 六月, 七月, 八月, 九月 and 十月 |
| 氣候 | Mediterranean |
Explore San Francisco
Every topic we hold for this place, and the same topic for the places around it.
Best Time至Visit for related places
Frequently asked questions
Where is San Francisco?
San Francisco is a city in California. Its coordinates are 37.7749, -122.4194. It lies in 北美洲.
What is the weather like in San Francisco現在?
It is currently 15°C (59°F)，天氣為陰天. 濕度 is 91% and wind is 24 km/h.
When is the best time至visit San Francisco?
五月, 六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in San Francisco, 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 in?
San Francisco observes America/Los_Angeles (UTC-07:00). The local time is 3:19 PM.
How many people live in San Francisco?
San Francisco has a population of approximately 810.000.
What is the nearest airport至San Francisco?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things至do in San Francisco?
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.
What places are in San Francisco?
San Francisco covers 8 places in this atlas, including Alcatraz Island, Golden Gate Bridge, San Francisco International Airport, Fisherman's Wharf, Mission District and ZIP Code 94102.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天氣 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 八月 21, 2026 at 3:19 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
