Alcatraz Island Clima and Average Meteo
Clima of Alcatraz Island: average temperatures, rainfall and seasons month by month.
Clima in Alcatraz Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mese | Massima media | Minima media | Precipitazioni | Valutazione |
|---|---|---|---|---|
| gennaio | 15° | 8° | 84 mm | ★★★☆☆ |
| febbraio | 15° | 9° | 141 mm | ★★★☆☆ |
| marzo | 18° | 10° | 76 mm | ★★★★☆ |
| aprile | 17° | 10° | 52 mm | ★★★★☆ |
| mag | 18° | 11° | 15 mm | ★★★★★ |
| giugno | 19° | 12° | 0 mm | ★★★★★ |
| luglio | 19° | 13° | 2 mm | ★★★★★ |
| agosto | 20° | 14° | 1 mm | ★★★★★ |
| settembre | 21° | 14° | 5 mm | ★★★★★ |
| ottobre | 22° | 13° | 19 mm | ★★★★★ |
| novembre | 17° | 10° | 104 mm | ★★★☆☆ |
| dicembre | 14° | 8° | 148 mm | ★★★☆☆ |
Clima type: Temperate. Fonte: Open-Meteo archive (ERA5).
Recent extremes in Alcatraz Island
Altoest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How Alcatraz Island compares con nearby places
Annual averages, and the difference against Alcatraz Island.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Fisherman's Wharf | 2 km | 14°C | about the same | 647 mm |
| ZIP Code 94133 | 3 km | 14°C | about the same | 647 mm |
| Golden Gate Bridge | 5 km | 14°C | about the same | 647 mm |
| ZIP Code 94102 | 5 km | 14°C | about the same | 647 mm |
| Area Code 415 | 6 km | 14°C | about the same | 647 mm |
Periodo migliore per visitare Alcatraz Island
Go in mag, giugno, luglio, agosto, settembre and ottobre. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: gennaio, febbraio and dicembre – expect the least comfortable mix of heat, cold or rain.
What this means for Alcatraz Island
Today is about average for ottobre. The forecast high of 21°C is in line con the 22°C typical for this month.
Pioggia 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 giugno a agosto.
The gap between the warmest and coldest month averages 6°C – an unusually even climate through the year.
What a pack, what a skip
- Layers – the daily swing is 12°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid gennaio, febbraio and dicembre – historically the least comfortable months here.
Riepilogo
Alcatraz Island is a tourist attraction in San Francisco. Alcatraz Island is a landmark known for the former federal prison in the bay.
Attualmente ci sono 18°C (64°F) in Alcatraz Island con cielo sereno. La temperatura percepita è di 15°C. Oggi le temperature vanno da 12°C a 21°C. La probabilità di precipitazioni è del 1%. Le condizioni per le visite turistiche sono valutate 9.3/10 – eccellente — vai ora.
Il periodo migliore per visitare Alcatraz Island is mag, giugno, luglio, agosto, settembre and ottobre. Il clima è temperate. gennaio, febbraio and dicembre tendono a essere i mesi meno confortevoli. ottobre è il mese più caldo, con massime medie intorno a 22°C, mentre gennaio è il mese più freddo, con minime intorno a 8°C.
L'aeroporto principale più vicino è San Francisco International Airport (SFO), about 23 km away. Tra i luoghi di interesse nelle vicinanze ci sono Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park and lugia Pfeiffer Burns State Park.
In parole semplici. Today is about average for ottobre. The forecast high of 21°C is in line con the 22°C typical for this month. The best window a be outside is roughly 1 PM a 4 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Alcatraz Island today at 10/10. 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 Alcatraz Island
| Tipo | Attraction |
|---|---|
| City | San Francisco |
| Paese | Stati Uniti |
| Continente | America del Nord |
| Coordinate | 37°49′36.1″N 122°25′22.8″W (37.8267, -122.423) |
| Known for | the former federal prison in the bay |
| Ora locale | 2:04 PM (UTC-07:00) |
| Mesi migliori | mag, giugno, luglio, agosto, settembre and ottobre |
| Clima | Temperate |
Meteo map for Alcatraz Island
Animated model layers. Pick a layer a load it.
Animated layers by Ventoy. For pin-level detail and nearby places, see the interactive map below.
Explore Alcatraz Island
Every topic we hold for this place, and the same topic for the places around it.
Clima for related places
Frequently asked questions
Where is Alcatraz Island?
Alcatraz Island is a tourist attraction in San Francisco. Its coordinates are 37.8267, -122.423. It lies in America del Nord.
What is the weather like in Alcatraz Island ora?
It is currently 18°C (64°F) con cielo sereno. Umidità is 59% and wind is 19 km/h.
When is the best time a visit Alcatraz Island?
mag, giugno, luglio, agosto, settembre and ottobre offer the most comfortable conditions in Alcatraz Island, which has a temperate climate. gennaio, febbraio and dicembre are usually the hardest months for outdoor plans.
What time zone is Alcatraz Island in?
Alcatraz Island observes America/Los_Angeles (UTC-07:00). The ora locale is 2:04 PM.
What is the nearest airport a Alcatraz Island?
The closest airports are San Francisco International Airport (SFO), 23 km away.
What are the top things a do in Alcatraz Island?
Popular options include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, lugia Pfeiffer Burns State Park, Emerald Bay State Park and Yosemite National Park.
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| Place data | USPOTUS Atlas dataset (attractions) – coordinates, hierarchy and facts. |
|---|---|
| Previsioni and observations | Open-Meteo (ECMWF and national models). |
| Qualità dell’aria and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Meteo 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 ottobre 24, 2026 at 2:04 PM ora locale. Live blocks refresh every 15 minutes; climate averages monthly.
