Alcatraz Island المناخ and Average الطقس
المناخ of Alcatraz Island: average temperatures, rainfall and seasons month by month.
المناخ in Alcatraz Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| الشهر | Avg high | Avg low | مطرfall | Rating |
|---|---|---|---|---|
| يناير | 15° | 8° | 84 mm | ★★★☆☆ |
| فبراير | 15° | 9° | 141 mm | ★★★☆☆ |
| مارس | 18° | 10° | 76 mm | ★★★★☆ |
| أبريل | 17° | 10° | 52 mm | ★★★★☆ |
| ماي | 18° | 11° | 15 mm | ★★★★★ |
| يونيو | 19° | 12° | 0 mm | ★★★★★ |
| يوليو | 19° | 13° | 2 mm | ★★★★★ |
| أغسطس | 20° | 14° | 1 mm | ★★★★★ |
| سبتمبر | 21° | 14° | 5 mm | ★★★★★ |
| أكتوبر | 22° | 13° | 19 mm | ★★★★★ |
| نوفمبر | 17° | 10° | 104 mm | ★★★☆☆ |
| ديسمبر | 14° | 8° | 148 mm | ★★★☆☆ |
المناخ type: Temperate. المصدر: Open-Meteo archive (ERA5).
Recent extremes in Alcatraz Island
مرتفعest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Alcatraz Island compares مع 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 |
أفضل وقت للزيارة Alcatraz Island
Go in ماي, يونيو, يوليو, أغسطس, سبتمبر and أكتوبر. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: يناير, فبراير and ديسمبر - expect the least comfortable mix of heat, cold or rain.
What this means for Alcatraz Island
Today is about average for أكتوبر. The forecast high of 22°C is in line مع the 22°C typical for this month.
مطر 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 يونيو و أغسطس.
The gap between the warmest and coldest month averages 6°C - an unusually even climate through the year.
What و pack, what و skip
- Layers - the daily swing is 14°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid يناير, فبراير and ديسمبر - historically the least comfortable months here.
الملخص
Alcatraz Island is a tourist attraction in San Francisco. Alcatraz Island is a landmark known for the former federal prison in the bay.
درجة الحرارة الآن 15°C (60°F) in Alcatraz Island مع غائم. المحسوسة 14°C. تتراوح درجات الحرارة اليوم بين 10°C و 22°C. احتمال هطول الأمطار 1%. Sightseeing conditions score 9.4/10 - ممتاز — انطلق الآن.
أفضل وقت لزيارة Alcatraz Island is ماي, يونيو, يوليو, أغسطس, سبتمبر and أكتوبر. المناخ temperate. يناير, فبراير and ديسمبر tend و be the least comfortable months. أكتوبر is the warmest month مع average highs near 22°C, while يناير is the coldest مع 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 يولia Pfeiffer Burns State Park.
باختصار. Today is about average for أكتوبر. The forecast high of 22°C is in line مع the 22°C typical for this month. The best window و be outside is roughly 11 AM و 2 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Alcatraz Island today at 9.4/10. 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
| النوع | Attraction |
|---|---|
| City | San Francisco |
| الدولة | الولايات المتحدة |
| القارة | أمريكا الشمالية |
| الإحداثيات | 37°49′36.1″N 122°25′22.8″W (37.8267, -122.423) |
| Known for | the former federal prison in the bay |
| التوقيت المحلي | 12:17 PM (UTC-07:00) |
| Best months | ماي, يونيو, يوليو, أغسطس, سبتمبر and أكتوبر |
| المناخ | Temperate |
الطقس map for Alcatraz Island
Animated model layers. Pick a layer و load it.
Animated layers by الرياحy. 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.
المناخ 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 أمريكا الشمالية.
What is the weather like in Alcatraz Island الآن?
It is currently 15°C (60°F) مع غائم. الرطوبة is 87% and wind is 16 km/h.
When is the best time و visit Alcatraz Island?
ماي, يونيو, يوليو, أغسطس, سبتمبر and أكتوبر offer the most comfortable conditions in Alcatraz Island, which has a temperate climate. يناير, فبراير and ديسمبر 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 12:17 PM.
What is the nearest airport و Alcatraz Island?
The closest airports are San Francisco International Airport (SFO), 23 km away.
What are the top things و do in Alcatraz Island?
Popular options include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, يولia 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. |
|---|---|
| التوقعات and observations | Open-Meteo (ECMWF and national models). |
| جودة الهواء and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| المناخ averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National الطقس 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 أكتوبر 26, 2026 at 12:17 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
