Attraction in San Francisco

Best Time och Visit Alcatraz Island

Bästa tiden att besöka Alcatraz Island: maj, juni, juli, augusti, september and oktober. Månad-by-month temperature, rainfall and crowd guidance.

☁️ 13°C now🕔 12:45 AM local📅 Best: maj, juni, juli, augusti, september and oktober

Bästa tiden att besöka Alcatraz Island

Go in maj, juni, juli, augusti, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: januari, februari and december - expect the least comfortable mix of heat, cold or rain.

januari★★★☆☆
februari★★★☆☆
mars★★★★
april★★★★
maj★★★★★
juni★★★★★
juli★★★★★
augusti★★★★★
september★★★★★
oktober★★★★★
november★★★☆☆
december★★★☆☆

Klimat in Alcatraz Island month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånadAvg highAvg lowRegnfallRating
januari15°84 mm★★★☆☆
februari15°141 mm★★★☆☆
mars18°10°76 mm★★★★
april17°10°52 mm★★★★
maj18°11°15 mm★★★★★
juni19°12°0 mm★★★★★
juli19°13°2 mm★★★★★
augusti20°14°1 mm★★★★★
september21°14°4 mm★★★★★
oktober22°13°19 mm★★★★★
november17°10°104 mm★★★☆☆
december14°148 mm★★★☆☆

Klimat type: Temperate. Källa: Open-Meteo archive (ERA5).

How Alcatraz Island compares med nearby places

Annual averages, and the difference against Alcatraz Island.

PlaceDistanceAvg tempvs hereAnnual rain
Fisherman's Wharf2 km14°Cabout the same646 mm
ZIP Code 941333 km14°Cabout the same646 mm
Golden Gate Bridge5 km14°Cabout the same646 mm
ZIP Code 941025 km14°Cabout the same646 mm
Area Code 4156 km14°Cabout the same646 mm

What och pack, what och skip

Pack for the next 7 days
  • Normal seasonal clothing - nothing unusual is needed this week
Worth avoiding
  • If your dates are flexible, avoid januari, februari and december - historically the least comfortable months here.

Sammanfattning

Alcatraz Island is a tourist attraction in San Francisco. Alcatraz Island is a landmark known for the former federal prison in the bay.

Just nu är det 13°C (56°F) in Alcatraz Island med mulet. Det känns som 13°C. I dag varierar temperaturen mellan 12°C och 22°C. Risken för nederbörd är 3%. Sightseeing conditions score 9.4/10 - utmärkt — åk nu.

Bästa tiden att besöka Alcatraz Island is maj, juni, juli, augusti, september and oktober. Klimatet är temperate. januari, februari and december tend och be the least comfortable months. oktober is the warmest month med average highs near 22°C, while januari is the coldest med lows near 8°C.

The closest major airport is San Francisco International Airport (SFO), about 23 km away. Nearby highlights include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park and julia Pfeiffer Burns State Park.

Enkelt förklarat. 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 och be outside is roughly 11 AM och 2 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in Alcatraz Island today at 9.7/10. 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.

Vädret i Alcatraz Island just nu

☁️
13°C
Mulet · feels like 13°C
Luftfuktighet88%
Vind7 km/h SW
Vindbyar17 km/h
UV-index0 · Låg
Molntäcke99%
Lufttryck1009 hPa
SiktGood · 15 km
Luftkvalitet60 · Måttlig
Soluppgång6:51 AM
Solnedgång7:17 PM
Måne🌒 Waxing crescent · 14%

Open-Meteo Updated 12:45 AM, sep 15 local time.

Weekend outlook

lörurday, sep 19

☁️ 20° / 15°

Mulet · 1% rain · wind 18 km/h

sönday, sep 20

☁️ 18° / 15°

Mulet · 1% rain · wind 15 km/h

Saker att göra in Alcatraz Island

Sevärdheter, parks and landmarks in and around Alcatraz Island.

Quick facts about Alcatraz Island

TypAttraction
CitySan Francisco
LandUSA
KontinentNordamerika
Koordinater37°49′36.1″N 122°25′22.8″W (37.8267, -122.423)
Known forthe former federal prison in the bay
Lokal tid12:45 AM (UTC-07:00)
Best monthsmaj, juni, juli, augusti, september and oktober
KlimatTemperate

Explore Alcatraz Island

Every topic we hold for this place, and the same topic for the places around it.

Best Time och Visit 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 Nordamerika.

What is the weather like in Alcatraz Island just nu?

It is currently 13°C (56°F) med mulet. Luftfuktighet is 88% and wind is 7 km/h.

When is the best time och visit Alcatraz Island?

maj, juni, juli, augusti, september and oktober offer the most comfortable conditions in Alcatraz Island, which has a temperate climate. januari, februari and december 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 local time is 12:45 AM.

What is the nearest airport och Alcatraz Island?

The closest airports are San Francisco International Airport (SFO), 23 km away.

What are the top things och do in Alcatraz Island?

Popular options include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, julia Pfeiffer Burns State Park, Emerald Bay State Park and Yosemite National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (attractions) - coordinates, hierarchy and facts.
Prognos and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klimat averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Väder Service.
MethodScores, 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 12:45 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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