Alcatraz Island 气候 and Average 天气
气候 of Alcatraz Island: average temperatures, rainfall and seasons month by month.
气候 in Alcatraz Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | 15° | 8° | 84 mm | ★★★☆☆ |
| 二月 | 15° | 9° | 141 mm | ★★★☆☆ |
| 三月 | 18° | 10° | 76 mm | ★★★★☆ |
| 四月 | 17° | 10° | 52 mm | ★★★★☆ |
| 五月 | 18° | 11° | 15 mm | ★★★★★ |
| 六月 | 19° | 12° | 0 mm | ★★★★★ |
| 七月 | 19° | 13° | 2 mm | ★★★★★ |
| 八月 | 20° | 14° | 1 mm | ★★★★★ |
| 九月 | 21° | 14° | 5 mm | ★★★★★ |
| 十月 | 22° | 13° | 19 mm | ★★★★★ |
| 十一月 | 17° | 10° | 104 mm | ★★★☆☆ |
| 十二月 | 14° | 8° | 148 mm | ★★★☆☆ |
气候 type: Temperate. 来源： Open-Meteo archive (ERA5).
Recent extremes in Alcatraz Island
高est and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Alcatraz Island compares，天气为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 | 643 mm |
最佳旅游时间 Alcatraz Island
Go in 五月, 六月, 七月, 八月, 九月 and 十月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 一月, 二月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
What this means for Alcatraz Island
Today is slightly cooler than average for 十月. The forecast high of 19°C is 2.8°C below the 22°C typical for this month.
雨 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 六月至八月.
The gap between the warmest and coldest month averages 6°C - an unusually even climate through the year.
What至pack, what至skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
摘要
Alcatraz Island is a tourist attraction in San Francisco. Alcatraz Island is a landmark known for the former federal prison in the bay.
目前气温为16°C (61°F) in Alcatraz Island，天气为晴朗. 体感温度为13°C. 今天气温在12°C至19°C. 降水概率为1%. Sightseeing conditions score 9.2/10 - 极佳 — 现在适合出行.
最佳旅游时间是Alcatraz Island is 五月, 六月, 七月, 八月, 九月 and 十月. 气候为temperate. 一月, 二月 and 十二月 tend至be the least comfortable months. 十月 is the warmest month，天气为average highs near 22°C, while 一月 is the coldest，天气为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 七月ia Pfeiffer Burns State Park.
简单来说。 Today is slightly cooler than average for 十月. The forecast high of 19°C is 2.8°C below the 22°C typical for this month. The best window至be outside is roughly 1 PM至4 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Alcatraz Island today at 9.6/10. 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
| 类型 | Attraction |
|---|---|
| City | San Francisco |
| 国家 | 美国 |
| 大洲 | 北美洲 |
| 坐标 | 37°49′36.1″N 122°25′22.8″W (37.8267, -122.423) |
| Known for | the former federal prison in the bay |
| 当地时间 | 4:33 PM (UTC-07:00) |
| Best months | 五月, 六月, 七月, 八月, 九月 and 十月 |
| 气候 | Temperate |
天气 map for Alcatraz Island
Animated model layers. Pick a layer至load it.
Animated layers by 风y. 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.
气候 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 北美洲.
What is the weather like in Alcatraz Island现在?
It is currently 16°C (61°F)，天气为晴朗. 湿度 is 65% and wind is 23 km/h.
When is the best time至visit Alcatraz Island?
五月, 六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in Alcatraz Island, which has a temperate climate. 一月, 二月 and 十二月 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 4:33 PM.
What is the nearest airport至Alcatraz Island?
The closest airports are San Francisco International Airport (SFO), 23 km away.
What are the top things至do in Alcatraz Island?
Popular options include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, 七月ia Pfeiffer Burns State Park, Emerald Bay State Park and Yosemite National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (attractions) - coordinates, hierarchy and facts. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天气 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 十月 28, 2026 at 4:33 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
