San Francisco County 天気 予報
San Francisco County weather: 18°C, 快晴. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
San Francisco County weather in 5月
One of the best monthsからvisit San Francisco County.
5月 runs closeからthe annual average in San Francisco County.
天気 map for San Francisco County
Animated model layers. Pick a layerからload it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
気候 in San Francisco County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 1月 | 15° | 8° | 84 mm | ★★★☆☆ |
| 2月 | 15° | 9° | 141 mm | ★★★☆☆ |
| 3月 | 18° | 10° | 76 mm | ★★★★☆ |
| 4月 | 17° | 10° | 52 mm | ★★★★☆ |
| 5月 | 19° | 11° | 15 mm | ★★★★★ |
| 6月 | 19° | 12° | 0 mm | ★★★★★ |
| 7月 | 19° | 13° | 2 mm | ★★★★★ |
| 8月 | 20° | 14° | 1 mm | ★★★★★ |
| 9月 | 21° | 14° | 4 mm | ★★★★★ |
| 10月 | 22° | 13° | 19 mm | ★★★★★ |
| 11月 | 17° | 10° | 104 mm | ★★★☆☆ |
| 12月 | 14° | 9° | 148 mm | ★★★☆☆ |
気候 type: Mediterranean. 出典： Open-Meteo archive (ERA5).
訪問に最適な時期 San Francisco County
Go in 5月, 6月, 7月, 8月, 9月 and 10月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1月, 2月 and 12月 - expect the least comfortable mix of heat, cold or rain.
Whatからpack, whatからskip
- 日glasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid 1月, 2月 and 12月 - historically the least comfortable months here.
How San Francisco County compares、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 | 646 mm |
| San Francisco | 0 km | 14°C | about the same | 646 mm |
| ZIP Code 94102 | 0 km | 14°C | about the same | 646 mm |
| Mission District | 2 km | 14°C | about the same | 646 mm |
| ZIP Code 94133 | 3 km | 14°C | about the same | 646 mm |
時間帯別のSan Francisco County 予報を見る
San Francisco County weather - more answers
Explore San Francisco County
Every topic we hold for this place, and the same topic for the places around it.
天気 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 北アメリカ.
What is the weather like in San Francisco County現在?
It is currently 18°C (64°F)、快晴. 湿度 is 79% and wind is 26 km/h.
When is the best timeからvisit San Francisco County?
5月, 6月, 7月, 8月, 9月 and 10月 offer the most comfortable conditions in San Francisco County, which has a Mediterranean climate. 1月, 2月 and 12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 6:50 PM.
How many people live in San Francisco County?
San Francisco County has a population of approximately 810.000.
What is the nearest airportからSan Francisco County?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top thingsからdo in San Francisco County?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, 7月ia Pfeiffer Burns State Park and Emerald Bay State Park.
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| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天気 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 9月 18, 2026 at 6:50 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
