Alcatraz Island 気候 and Average 天気
気候 of Alcatraz Island: average temperatures, rainfall and seasons month by month.
気候 in Alcatraz Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 1月 | 15° | 8° | 84 mm | ★★★☆☆ |
| 2月 | 15° | 9° | 141 mm | ★★★☆☆ |
| 3月 | 18° | 10° | 76 mm | ★★★★☆ |
| 4月 | 17° | 10° | 52 mm | ★★★★☆ |
| 5月 | 18° | 11° | 15 mm | ★★★★★ |
| 6月 | 19° | 12° | 0 mm | ★★★★★ |
| 7月 | 19° | 13° | 2 mm | ★★★★★ |
| 8月 | 20° | 14° | 1 mm | ★★★★★ |
| 9月 | 21° | 14° | 5 mm | ★★★★★ |
| 10月 | 22° | 13° | 19 mm | ★★★★★ |
| 11月 | 17° | 10° | 104 mm | ★★★☆☆ |
| 12月 | 14° | 8° | 148 mm | ★★★☆☆ |
気候 type: Temperate. 出典： Open-Meteo archive (ERA5).
Recent extremes in Alcatraz Island
高いest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Alcatraz Island compares、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 |
訪問に最適な時期 Alcatraz Island
Go in 5月, 6月, 7月, 8月, 9月 and 10月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1月, 2月 and 12月 - expect the least comfortable mix of heat, cold or rain.
What this means for Alcatraz Island
Today is about average for 10月. The forecast high of 21°C is in line、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 6月から8月.
The gap between the warmest and coldest month averages 6°C - an unusually even climate through the year.
Whatからpack, whatからskip
- Layers - the daily swing is 12°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid 1月, 2月 and 12月 - historically the least comfortable months here.
概要
Alcatraz Island is a tourist attraction in San Francisco. Alcatraz Island is a landmark known for the former federal prison in the bay.
現在の気温は18°C (64°F) in Alcatraz Island、快晴. 体感温度は15°C. 今日の気温は12°Cから21°C. 降水確率は1%. Sightseeing conditions score 9.3/10 - 絶好 — 今すぐ出かけられます.
訪問に最適な時期はAlcatraz Island is 5月, 6月, 7月, 8月, 9月 and 10月. 気候はtemperate. 1月, 2月 and 12月 tendからbe the least comfortable months. 10月 is the warmest month、average highs near 22°C, while 1月 is the coldest、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 7月ia Pfeiffer Burns State Park.
簡単に言うと。 Today is about average for 10月. The forecast high of 21°C is in line、the 22°C typical for this month. The best windowからbe outside is roughly 1 PMから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
| 種類 | Attraction |
|---|---|
| City | San Francisco |
| 国 | アメリカ合衆国 |
| 大陸 | 北アメリカ |
| 座標 | 37°49′36.1″N 122°25′22.8″W (37.8267, -122.423) |
| Known for | the former federal prison in the bay |
| 現地時刻 | 12:34 PM (UTC-07:00) |
| Best months | 5月, 6月, 7月, 8月, 9月 and 10月 |
| 気候 | Temperate |
天気 map for Alcatraz Island
Animated model layers. Pick a layerからload it.
Animated layers by 風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.
気候 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 北アメリカ.
What is the weather like in Alcatraz Island現在?
It is currently 18°C (64°F)、快晴. 湿度 is 59% and wind is 19 km/h.
When is the best timeからvisit Alcatraz Island?
5月, 6月, 7月, 8月, 9月 and 10月 offer the most comfortable conditions in Alcatraz Island, which has a temperate climate. 1月, 2月 and 12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 12:34 PM.
What is the nearest airportからAlcatraz Island?
The closest airports are San Francisco International Airport (SFO), 23 km away.
What are the top thingsからdo in Alcatraz Island?
Popular options include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, 7月ia 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. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天気 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 10月 24, 2026 at 12:34 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
