San Francisco County Éghajlat and Average Időjárás
Éghajlat of San Francisco County: average temperatures, rainfall and seasons month by month.
Éghajlat in San Francisco County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Hónap | Avg high | Avg low | Esőfall | Rating |
|---|---|---|---|---|
| január | 15° | 8° | 84 mm | ★★★☆☆ |
| február | 15° | 9° | 141 mm | ★★★☆☆ |
| március | 18° | 10° | 76 mm | ★★★★☆ |
| április | 17° | 10° | 52 mm | ★★★★☆ |
| máj | 19° | 11° | 15 mm | ★★★★★ |
| június | 19° | 12° | 0 mm | ★★★★★ |
| július | 19° | 13° | 2 mm | ★★★★★ |
| augusztus | 20° | 14° | 1 mm | ★★★★★ |
| szeptember | 21° | 14° | 4 mm | ★★★★★ |
| október | 22° | 13° | 19 mm | ★★★★★ |
| november | 17° | 10° | 104 mm | ★★★☆☆ |
| december | 14° | 9° | 148 mm | ★★★☆☆ |
Éghajlat type: Mediterranean. Forrás: Open-Meteo archive (ERA5).
Recent extremes in San Francisco County
Magasest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How San Francisco County compares és 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 |
Legjobb idő a látogatásra San Francisco County
Go in máj, június, július, augusztus, szeptember and október. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: január, február and december - expect the least comfortable mix of heat, cold or rain.
What this means for San Francisco County
Today is slightly cooler than average for szeptember. The forecast high of 17°C is 3.8°C below the 21°C typical for this month.
Eső 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 június és augusztus.
The gap between the warmest and coldest month averages 6°C - an unusually even climate through the year.
What és pack, what és skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid január, február and december - historically the least comfortable months here.
Összefoglaló
San Francisco County is a county in California. San Francisco County is a county in the United States. Lakossága körülbelül 810.000.
Jelenleg 15°C (58°F) in San Francisco County és borult. A hőérzet 14°C. Ma a hőmérséklet 13°C és 17°C. A csapadék valószínűsége 1%. Sightseeing conditions score 9.5/10 - kiváló — indulhat.
A legjobb időszak San Francisco County is máj, június, július, augusztus, szeptember and október. Az éghajlat Mediterranean. január, február and december tend és be the least comfortable months. október is the warmest month és average highs near 22°C, while január is the coldest és 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.
Egyszerűen fogalmazva. Today is slightly cooler than average for szeptember. The forecast high of 17°C is 3.8°C below the 21°C typical for this month. The best window és be outside is roughly 1 PM és 4 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in San Francisco County today at 9.6/10. 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
| Típus | County |
|---|---|
| State | California |
| Ország | Egyesült Államok |
| Kontinens | Észak-Amerika |
| Koordináták | 37°46′29.6″N 122°25′9.8″W (37.7749, -122.4194) |
| Népesség | 810.000 |
| Helyi idő | 7:53 PM (UTC-07:00) |
| Best months | máj, június, július, augusztus, szeptember and október |
| Éghajlat | Mediterranean |
Időjárás map for San Francisco County
Animated model layers. Pick a layer és load it.
Animated layers by Szély. 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.
Éghajlat 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 Észak-Amerika.
What is the weather like in San Francisco County jelenleg?
It is currently 15°C (58°F) és borult. Páratartalom is 93% and wind is 11 km/h.
When is the best time és visit San Francisco County?
máj, június, július, augusztus, szeptember and október offer the most comfortable conditions in San Francisco County, which has a Mediterranean climate. január, február and december 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 7:53 PM.
How many people live in San Francisco County?
San Francisco County has a population of approximately 810.000.
What is the nearest airport és San Francisco County?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things és do in San Francisco County?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, júlia Pfeiffer Burns State Park and Emerald Bay State Park.
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| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Előrejelzés and observations | Open-Meteo (ECMWF and national models). |
| Levegőminőség and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Éghajlat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Időjárás 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 szeptember 20, 2026 at 7:53 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
