Alcatraz Island Climat and Average Météo
Climat of Alcatraz Island: average temperatures, rainfall and seasons month by month.
Climat in Alcatraz Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mois | Max moyenne | Min moyenne | Précipitations | Évaluation |
|---|---|---|---|---|
| janvier | 15° | 8° | 84 mm | ★★★☆☆ |
| février | 15° | 9° | 141 mm | ★★★☆☆ |
| mars | 18° | 10° | 76 mm | ★★★★☆ |
| avril | 17° | 10° | 52 mm | ★★★★☆ |
| mai | 18° | 11° | 15 mm | ★★★★★ |
| juin | 19° | 12° | 0 mm | ★★★★★ |
| juillet | 19° | 13° | 2 mm | ★★★★★ |
| août | 20° | 14° | 1 mm | ★★★★★ |
| septembre | 21° | 14° | 5 mm | ★★★★★ |
| octobre | 22° | 13° | 19 mm | ★★★★★ |
| novembre | 17° | 10° | 104 mm | ★★★☆☆ |
| décembre | 14° | 8° | 148 mm | ★★★☆☆ |
Climat type: Temperate. Source : Open-Meteo archive (ERA5).
Recent extremes in Alcatraz Island
Élevéest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How Alcatraz Island compares avec 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 |
Meilleur moment pour visiter Alcatraz Island
Go in mai, juin, juillet, août, septembre and octobre. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janvier, février and décembre – expect the least comfortable mix of heat, cold or rain.
What this means for Alcatraz Island
Today is about average for octobre. The forecast high of 21°C is in line avec the 22°C typical for this month.
Pluie 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 juin à août.
The gap between the warmest and coldest month averages 6°C – an unusually even climate through the year.
What à pack, what à skip
- Layers – the daily swing is 12°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid janvier, février and décembre – historically the least comfortable months here.
Résumé
Alcatraz Island is a tourist attraction in San Francisco. Alcatraz Island is a landmark known for the former federal prison in the bay.
Actuellement, il fait 18°C (64°F) in Alcatraz Island avec ciel dégagé. La température ressentie est de 15°C. Aujourd’hui, les températures vont de 12°C à 21°C. La probabilité de précipitations est de 1%. Les conditions pour les visites obtiennent 9.3/10 – excellent — partez maintenant.
La meilleure période pour visiter Alcatraz Island is mai, juin, juillet, août, septembre and octobre. Le climat est temperate. janvier, février and décembre sont généralement les mois les moins confortables. octobre est le mois le plus chaud, avec des maximales moyennes proches de 22°C, tandis que janvier est le mois le plus froid, avec des minimales proches de 8°C.
L’aéroport principal le plus proche est San Francisco International Airport (SFO), about 23 km away. Parmi les sites à proximité, citons Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park and juiia Pfeiffer Burns State Park.
En termes simples. Today is about average for octobre. The forecast high of 21°C is in line avec the 22°C typical for this month. The best window à be outside is roughly 1 PM à 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
| Type | Attraction |
|---|---|
| City | San Francisco |
| Pays | États-Unis |
| Continent | Amérique du Nord |
| Coordonnées | 37°49′36.1″N 122°25′22.8″W (37.8267, -122.423) |
| Known for | the former federal prison in the bay |
| Heure locale | 4:00 AM (UTC-07:00) |
| Meilleurs mois | mai, juin, juillet, août, septembre and octobre |
| Climat | Temperate |
Météo map for Alcatraz Island
Animated model layers. Pick a layer à load it.
Animated layers by Venty. 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.
Climat 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 Amérique du Nord.
What is the weather like in Alcatraz Island maintenant?
It is currently 18°C (64°F) avec ciel dégagé. Humidité is 59% and wind is 19 km/h.
When is the best time à visit Alcatraz Island?
mai, juin, juillet, août, septembre and octobre offer the most comfortable conditions in Alcatraz Island, which has a temperate climate. janvier, février and décembre 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 heure locale is 4:00 AM.
What is the nearest airport à Alcatraz Island?
The closest airports are San Francisco International Airport (SFO), 23 km away.
What are the top things à do in Alcatraz Island?
Popular options include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, juiia 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. |
|---|---|
| Prévisions and observations | Open-Meteo (ECMWF and national models). |
| Qualité de l’air and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Météo 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 octobre 24, 2026 at 4:00 AM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
