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.
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.
Klimat in Alcatraz Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | 15° | 8° | 84 mm | ★★★☆☆ |
| februari | 15° | 9° | 141 mm | ★★★☆☆ |
| mars | 18° | 10° | 76 mm | ★★★★☆ |
| april | 17° | 10° | 52 mm | ★★★★☆ |
| maj | 18° | 11° | 15 mm | ★★★★★ |
| juni | 19° | 12° | 0 mm | ★★★★★ |
| juli | 19° | 13° | 2 mm | ★★★★★ |
| augusti | 20° | 14° | 1 mm | ★★★★★ |
| september | 21° | 14° | 5 mm | ★★★★★ |
| oktober | 22° | 13° | 19 mm | ★★★★★ |
| november | 17° | 10° | 104 mm | ★★★☆☆ |
| december | 14° | 8° | 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.
| 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 |
What och pack, what och skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sönglasses, a brimmed hat and SPF 30+
- 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 23°C (73°F) in Alcatraz Island med klart. Det känns som 21°C. I dag varierar temperaturen mellan 13°C och 26°C. Risken för nederbörd är 1%. Sightseeing conditions score 9.3/10 - 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 warmer than average for september. The forecast high of 26°C is 4.8°C above the 21°C typical for this month. The best window och be outside is roughly 4 PM och 7 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.
Vädret i Alcatraz Island just nu
Wear sunglasses and use SPF 30+ if you are outside for long.
Open-Meteo Updated 8:56 PM, sep 30 local time.
Weekend outlook
⛅ 30° / 18°
Delvis molnigt · 0% rain · wind 10 km/h
☁️ 29° / 20°
Mulet · 3% rain · wind 11 km/h
Saker att göra in Alcatraz Island
Sevärdheter, parks and landmarks in and around Alcatraz Island.
Quick facts about Alcatraz Island
| Typ | Attraction |
|---|---|
| City | San Francisco |
| Land | USA |
| Kontinent | Nordamerika |
| Koordinater | 37°49′36.1″N 122°25′22.8″W (37.8267, -122.423) |
| Known for | the former federal prison in the bay |
| Lokal tid | 8:56 PM (UTC-07:00) |
| Best months | maj, juni, juli, augusti, september and oktober |
| Klimat | Temperate |
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 23°C (73°F) med klart. Luftfuktighet is 56% and wind is 21 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 8:56 PM.
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.
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| Place data | USPOTUS Atlas dataset (attractions) - coordinates, hierarchy and facts. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Väder 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 30, 2026 at 8:56 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
