San Francisco Loftslag and Average Veður
Loftslag of San Francisco: average temperatures, rainfall and seasons month by month.
Loftslag in San Francisco month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 15° | 8° | 84 mm | ★★★☆☆ |
| febrúar | 15° | 9° | 141 mm | ★★★☆☆ |
| mars | 18° | 10° | 76 mm | ★★★★☆ |
| apríl | 17° | 10° | 52 mm | ★★★★☆ |
| maí | 19° | 11° | 15 mm | ★★★★★ |
| júní | 19° | 12° | 0 mm | ★★★★★ |
| júlí | 19° | 13° | 2 mm | ★★★★★ |
| ágúst | 21° | 14° | 1 mm | ★★★★★ |
| september | 21° | 14° | 4 mm | ★★★★★ |
| október | 22° | 13° | 19 mm | ★★★★★ |
| nóvember | 17° | 10° | 104 mm | ★★★☆☆ |
| desember | 14° | 9° | 148 mm | ★★★☆☆ |
Loftslag type: Mediterranean. Heimild: Open-Meteo archive (ERA5).
Recent extremes in San Francisco
Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How San Francisco compares með 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 | 692 mm |
| Point Lobos State Natural Reserve | 146 km | 14°C | about the same | 580 mm |
Loftslag by attraction in San Francisco
2 attractions mapped in this atlas
Loftslag by airport in San Francisco
1 airports mapped in this atlas
Loftslag by district in San Francisco
2 districts and neighborhoods mapped in this atlas
Loftslag by zip / postal code in San Francisco
2 zip and postal codes mapped in this atlas
Loftslag by area code in San Francisco
1 area codes mapped in this atlas
Best time til visit San Francisco
Go in maí, júní, júlí, ágúst, september and október. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.
What this means for San Francisco
Today is warmer than average for ágúst. The forecast high of 25°C is 4.5°C above the 21°C typical for this month.
Rigning 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 júní til ágúst.
The gap between the warmest and coldest month averages 6°C - an unusually even climate through the year.
What til pack, what til skip
- sun.glasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
Samantekt
San Francisco is a city in California. San Francisco is known for Golden Gate Bridge and cable cars. Íbúafjöldinn er um 810.000.
Núna er hitinn 16°C (60°F) in San Francisco með að mestu heiðskýrt. Hitinn finnst vera 15°C. Í dag er hitinn frá 13°C til 25°C. Líkur á úrkomu eru 2%. Sightseeing conditions score 9.5/10 - frábært — farðu núna.
Besti tíminn til að heimsækja San Francisco is maí, júní, júlí, ágúst, september and október. Loftslagið er Mediterranean. janúar, febrúar and desember tend til be the least comfortable months. október is the warmest month með average highs near 22°C, while janúar is the coldest með 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.
Í einföldu máli. Today is warmer than average for ágúst. The forecast high of 25°C is 4.5°C above the 21°C typical for this month. The best window til be outside is roughly 1 PM til 4 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in San Francisco today at 9.5/10. 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
| Tegund | City |
|---|---|
| State | California |
| Land | Bandaríkin |
| Heimsálfa | Norður-Ameríka |
| Hnit | 37°46′29.6″N 122°25′9.8″W (37.7749, -122.4194) |
| Mannfjöldi | 810.000 |
| Known for | Golden Gate Bridge and cable cars |
| Staðartími | 9:23 PM (UTC-07:00) |
| Best months | maí, júní, júlí, ágúst, september and október |
| Loftslag | Mediterranean |
Veður map for San Francisco
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. 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.
Loftslag 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 Norður-Ameríka.
What is the weather like in San Francisco núna?
It is currently 16°C (60°F) með að mestu heiðskýrt. Raki is 89% and wind is 13 km/h.
When is the best time til visit San Francisco?
maí, júní, júlí, ágúst, september and október offer the most comfortable conditions in San Francisco, which has a Mediterranean climate. janúar, febrúar and desember 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 9:23 PM.
How many people live in San Francisco?
San Francisco has a population of approximately 810.000.
What is the nearest airport til San Francisco?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things til do in San Francisco?
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.
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. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 ágúst 23, 2026 at 9:23 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
