San Francisco Klima and Average Vejr
Klima of San Francisco: average temperatures, rainfall and seasons month by month.
Klima in San Francisco month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 15° | 8° | 84 mm | ★★★☆☆ |
| februar | 15° | 9° | 141 mm | ★★★☆☆ |
| marts | 18° | 10° | 76 mm | ★★★★☆ |
| april | 17° | 10° | 52 mm | ★★★★☆ |
| maj | 19° | 11° | 15 mm | ★★★★★ |
| juni | 19° | 12° | 0 mm | ★★★★★ |
| juli | 19° | 13° | 2 mm | ★★★★★ |
| august | 20° | 14° | 1 mm | ★★★★★ |
| september | 21° | 14° | 4 mm | ★★★★★ |
| oktober | 22° | 13° | 19 mm | ★★★★★ |
| november | 17° | 10° | 104 mm | ★★★☆☆ |
| december | 14° | 9° | 148 mm | ★★★☆☆ |
Klima type: Mediterranean. Kilde: Open-Meteo archive (ERA5).
Recent extremes in San Francisco
Højest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How San Francisco compares med 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 | 690 mm |
| Point Lobos State Natural Reserve | 146 km | 14°C | about the same | 579 mm |
Klima by attraction in San Francisco
2 attractions mapped in this atlas
Klima by airport in San Francisco
1 airports mapped in this atlas
Klima by district in San Francisco
2 districts and neighborhoods mapped in this atlas
Klima by zip / postal code in San Francisco
2 zip and postal codes mapped in this atlas
Klima by area code in San Francisco
1 area codes mapped in this atlas
Bedste rejsetid San Francisco
Go in maj, juni, juli, august, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and december - expect the least comfortable mix of heat, cold or rain.
What this means for San Francisco
Today is about average for september. The forecast high of 22°C is in line med the 21°C typical for this month.
Regn 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 juni og august.
The gap between the warmest and coldest month averages 6°C - an unusually even climate through the year.
What og pack, what og skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid januar, februar and december - historically the least comfortable months here.
Resumé
San Francisco is a city in California. San Francisco is known for Golden Gate Bridge and cable cars. Der bor omkring 810.000.
Lige nu er det 13°C (55°F) in San Francisco med klart. Det føles som 12°C. I dag ligger temperaturen mellem 12°C og 22°C. Sandsynligheden for nedbør er 2%. Sightseeing conditions score 9.3/10 - fremragende — tag af sted nu.
Det bedste tidspunkt at besøge San Francisco is maj, juni, juli, august, september and oktober. Klimaet er Mediterranean. januar, februar and december tend og be the least comfortable months. oktober is the warmest month med average highs near 22°C, while januar is the coldest med 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.
Kort sagt. Today is about average for september. The forecast high of 22°C is in line med the 21°C typical for this month. The best window og be outside is roughly 11 AM og 2 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in San Francisco 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
| Type | City |
|---|---|
| State | California |
| Land | USA |
| Kontinent | Nordamerika |
| Koordinater | 37°46′29.6″N 122°25′9.8″W (37.7749, -122.4194) |
| Befolkning | 810.000 |
| Known for | Golden Gate Bridge and cable cars |
| Lokal tid | 3:40 AM (UTC-07:00) |
| Best months | maj, juni, juli, august, september and oktober |
| Klima | Mediterranean |
Vejr map for San Francisco
Animated model layers. Pick a layer og load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Explore San Francisco
Every topic we hold for this place, and the same topic for the places around it.
Klima 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 Nordamerika.
What is the weather like in San Francisco lige nu?
It is currently 13°C (55°F) med klart. Luftfugtighed is 91% and wind is 10 km/h.
When is the best time og visit San Francisco?
maj, juni, juli, august, september and oktober offer the most comfortable conditions in San Francisco, which has a Mediterranean climate. januar, februar and december 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 3:40 AM.
How many people live in San Francisco?
San Francisco has a population of approximately 810.000.
What is the nearest airport og San Francisco?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things og do in San Francisco?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, julia 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. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vejr 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 september 15, 2026 at 3:40 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
