San Francisco Sää Ennuste
San Francisco weather: 17°C, selkeä. Tunneittain forecast, 14-day outlook, UV, air quality and the best time ja visit.
San Francisco weather in joulukuu
A workable month, ja trade-offs.
joulukuu runs 3°C cooler than the annual average in San Francisco.
Sää map for San Francisco
Animated model layers. Pick a layer ja load it.
Animated layers by Tuuliy. For pin-level detail and nearby places, see the interactive map below.
Ilmasto in San Francisco month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Kuukausi | Avg high | Avg low | Sadefall | Rating |
|---|---|---|---|---|
| tammikuu | 15° | 8° | 84 mm | ★★★☆☆ |
| helmikuu | 15° | 9° | 141 mm | ★★★☆☆ |
| maaliskuu | 18° | 10° | 76 mm | ★★★★☆ |
| huhtikuu | 17° | 10° | 52 mm | ★★★★☆ |
| tou | 19° | 11° | 15 mm | ★★★★★ |
| kesäkuu | 19° | 12° | 0 mm | ★★★★★ |
| heinäkuu | 19° | 13° | 2 mm | ★★★★★ |
| elokuu | 20° | 14° | 1 mm | ★★★★★ |
| syyskuu | 21° | 14° | 5 mm | ★★★★★ |
| lokakuu | 22° | 13° | 19 mm | ★★★★★ |
| marraskuu | 17° | 10° | 104 mm | ★★★☆☆ |
| joulukuu | 14° | 9° | 148 mm | ★★★☆☆ |
Ilmasto type: Mediterranean. Lähde: Open-Meteo archive (ERA5).
Paras aika vierailla San Francisco
Go in tou, kesäkuu, heinäkuu, elokuu, syyskuu and lokakuu. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: tammikuu, helmikuu and joulukuu - expect the least comfortable mix of heat, cold or rain.
What ja pack, what ja skip
- Layers - the daily swing is 14°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid tammikuu, helmikuu and joulukuu - historically the least comfortable months here.
How San Francisco compares ja 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 | 647 mm |
| Napa | 59 km | 15°C | +1°C warmer | 766 mm |
| Santa Clara County | 62 km | 16°C | +2°C warmer | 554 mm |
| Sacramento | 121 km | 17°C | +3°C warmer | 690 mm |
| Point Lobos State Natural Reserve | 146 km | 14°C | about the same | 577 mm |
Katso kohteen San Francisco ennuste aikavälin mukaan
San Francisco weather - more answers
Explore San Francisco
Every topic we hold for this place, and the same topic for the places around it.
Sää 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 Pohjois-Amerikka.
What is the weather like in San Francisco nyt?
It is currently 17°C (62°F) ja selkeä. Kosteus is 65% and wind is 15 km/h.
When is the best time ja visit San Francisco?
tou, kesäkuu, heinäkuu, elokuu, syyskuu and lokakuu offer the most comfortable conditions in San Francisco, which has a Mediterranean climate. tammikuu, helmikuu and joulukuu 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 3:11 PM.
How many people live in San Francisco?
San Francisco has a population of approximately 810.000.
What is the nearest airport ja San Francisco?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things ja do in San Francisco?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, heiia 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. |
|---|---|
| Ennuste and observations | Open-Meteo (ECMWF and national models). |
| Ilmanlaatu and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Ilmasto averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Sää 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 lokakuu 24, 2026 at 3:11 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
