California 氣候 and Average 天氣
氣候 of California: average temperatures, rainfall and seasons month by month.
氣候 in California 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 | 14° | 5° | 91 mm | ★★★☆☆ |
| 二月 | 16° | 7° | 171 mm | ★★★☆☆ |
| 三月 | 20° | 9° | 62 mm | ★★★★☆ |
| 四月 | 22° | 10° | 66 mm | ★★★★☆ |
| 五月 | 29° | 13° | 20 mm | ★★★★★ |
| 六月 | 34° | 16° | 1 mm | ★★★★★ |
| 七月 | 36° | 17° | 3 mm | ★★★★★ |
| 八月 | 36° | 17° | 3 mm | ★★★★★ |
| 九月 | 32° | 16° | 2 mm | ★★★★★ |
| 十月 | 26° | 13° | 38 mm | ★★★★☆ |
| 十一月 | 18° | 8° | 108 mm | ★★★☆☆ |
| 十二月 | 14° | 6° | 125 mm | ★★★☆☆ |
氣候 type: Mediterranean. 來源： Open-Meteo archive (ERA5).
Recent extremes in California
高est and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How California compares，天氣為nearby places
Annual averages, and the difference against California.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Nevada | 163 km | 12°C | 5°C cooler | 374 mm |
| Reno | 179 km | 12°C | 5°C cooler | 362 mm |
| Crater Lake National Park | 480 km | 6°C | 12°C cooler | 1548 mm |
| Crater Lake | 488 km | 6°C | 12°C cooler | 1465 mm |
氣候 by city in California
7 cities mapped in this atlas
氣候 by national park in California
9 national parks mapped in this atlas
氣候 by state park in California
4 state and provincial parks mapped in this atlas
氣候 by mountain in California
2 mountains and peaks mapped in this atlas
氣候 by county in California
6 counties mapped in this atlas
最佳旅遊時間 California
Go in 五月, 六月, 七月, 八月 and 九月. 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 California
Today is warmer than average for 十月. The forecast high of 31°C is 4.9°C above the 26°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 17°C.
What至pack, what至skip
- Lightweight, light-coloured clothing and a refillable water bottle
- 週日glasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 22°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
摘要
California is a state in 美國. California is a US state，首都是Sacramento. 人口約為39 million. 首都是Sacramento.
目前氣溫為25°C (76°F) in California，天氣為晴朗. 體感溫度為23°C. 今天氣溫介於10°C至31°C. 降雨機率為0%. Sightseeing conditions score 9.9/10 - 極佳 — 現在適合出發.
最佳旅遊時間是California is 五月, 六月, 七月, 八月 and 九月. 氣候為Mediterranean. 一月, 二月 and 十二月 tend至be the least comfortable months. 七月 is the warmest month，天氣為average highs near 36°C, while 一月 is the coldest，天氣為lows near 5°C.
The closest major airport is Los Angeles International Airport (LAX), about 585 km away. Nearby highlights include Channel Islands National Park, Death Valley National Park, Joshua Tree National Park and Kings Canyon National Park.
簡單來說。 Today is warmer than average for 十月. The forecast high of 31°C is 4.9°C above the 26°C typical for this month. The best window至be outside is roughly 9 AM至12 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in California 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 California
天氣 map for California
Animated model layers. Pick a layer至load it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
Explore California
Every topic we hold for this place, and the same topic for the places around it.
氣候 for related places
Frequently asked questions
Where is California?
California is a state in 美國. Its coordinates are 38.5816, -121.4944. It lies in 北美洲.
What is the weather like in California現在?
It is currently 25°C (76°F)，天氣為晴朗. 濕度 is 26% and wind is 4 km/h.
When is the best time至visit California?
五月, 六月, 七月, 八月 and 九月 offer the most comfortable conditions in California, which has a Mediterranean climate. 一月, 二月 and 十二月 are usually the hardest months for outdoor plans.
What time zone is California in?
California observes America/Los_Angeles (UTC-07:00). The local time is 5:41 AM.
How many people live in California?
California has a population of approximately 39 million.
What is the nearest airport至California?
The closest airports are San Francisco International Airport (SFO), 132 km away, Los Angeles International Airport (LAX), 585 km away and San Diego International Airport (SAN), 757 km away.
What are the top things至do in California?
Popular options include Channel Islands National Park, Death Valley National Park, Joshua Tree National Park, Kings Canyon National Park, Lassen Volcanic National Park and Pinnacles National Park.
What places are in California?
California covers 28 places in this atlas, including Los Angeles, San Diego, Channel Islands National Park, Death Valley National Park, Joshua Tree National Park and Kings Canyon National Park.
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| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天氣 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 18, 2026 at 5:41 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
