San Francisco Sää Ennuste
San Francisco weather: 9°C, puolipilvistä. Tunneittain forecast, 14-day outlook, UV, air quality and the best time ja visit.
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° | 6 mm | ★★★★★ |
| lokakuu | 22° | 13° | 14 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.
Recent extremes in San Francisco
Korkeaest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
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 | 643 mm |
| Napa | 59 km | 15°C | +1°C warmer | 762 mm |
| Santa Clara County | 62 km | 16°C | +2°C warmer | 554 mm |
| Sacramento | 121 km | 17°C | +3°C warmer | 682 mm |
| Point Lobos State Natural Reserve | 146 km | 14°C | about the same | 579 mm |
What ja pack, what ja skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid tammikuu, helmikuu and joulukuu - historically the least comfortable months here.
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.
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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 9°C (49°F) ja puolipilvistä. Kosteus is 75% and wind is 2 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 1:34 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 29, 2026 at 1:34 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
