San Diego County 氣候 and Average 天氣
氣候 of San Diego County: average temperatures, rainfall and seasons month by month.
氣候 in San Diego County 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 | 19° | 9° | 61 mm | ★★★★☆ |
| 二月 | 19° | 10° | 78 mm | ★★★★☆ |
| 三月 | 20° | 11° | 69 mm | ★★★★☆ |
| 四月 | 20° | 12° | 12 mm | ★★★★★ |
| 五月 | 20° | 14° | 7 mm | ★★★★★ |
| 六月 | 22° | 16° | 3 mm | ★★★★★ |
| 七月 | 24° | 18° | 0 mm | ★★★★★ |
| 八月 | 26° | 19° | 8 mm | ★★★★★ |
| 九月 | 25° | 18° | 15 mm | ★★★★★ |
| 十月 | 24° | 14° | 21 mm | ★★★★★ |
| 十一月 | 21° | 11° | 53 mm | ★★★★☆ |
| 十二月 | 19° | 10° | 32 mm | ★★★★☆ |
氣候 type: Mediterranean. 來源： Open-Meteo archive (ERA5).
Recent extremes in San Diego County
高est and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How San Diego County compares，天氣為nearby places
Annual averages, and the difference against San Diego County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| San Diego | 0 km | 17°C | about the same | 359 mm |
| San Diego International Airport | 4 km | 17°C | about the same | 359 mm |
| Coronado Beach | 4 km | 17°C | about the same | 359 mm |
| Anza-Borrego Desert State Park | 93 km | 24°C | +6°C warmer | 118 mm |
| Orange County | 128 km | 18°C | +1°C warmer | 385 mm |
最佳旅遊時間 San Diego County
Go in 四月, 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 三月 - expect the least comfortable mix of heat, cold or rain.
What this means for San Diego County
Today is about average for 十月. The forecast high of 24°C is in line，天氣為the 24°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 9°C.
What至pack, what至skip
- 週日glasses, a brimmed hat and SPF 30+
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid 一月, 二月 and 三月 - historically the least comfortable months here.
摘要
San Diego County is a county in California. San Diego County is a county in the United States. 人口約為3.3 million.
目前氣溫為15°C (59°F) in San Diego County，天氣為晴朗. 體感溫度為15°C. 今天氣溫介於15°C至24°C. 降雨機率為1%. Sightseeing conditions score 9.7/10 - 極佳 — 現在適合出發.
最佳旅遊時間是San Diego County is 四月, 五月, 六月, 七月, 八月, 九月 and 十月. 氣候為Mediterranean. 一月, 二月 and 三月 tend至be the least comfortable months. 八月 is the warmest month，天氣為average highs near 26°C, while 一月 is the coldest，天氣為lows near 9°C.
The closest major airport is San Diego International Airport (SAN), about 4 km away. Nearby highlights include Coronado Beach, Anza-Borrego Desert State Park, Disneyland Resort and Joshua Tree National Park.
簡單來說。 Today is about average for 十月. The forecast high of 24°C is in line，天氣為the 24°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 San Diego County today at 9.9/10. 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 San Diego County
| 類型 | County |
|---|---|
| State | California |
| 國家 | 美國 |
| 洲 | 北美洲 |
| 座標 | 32°42′56.5″N 117°9′40″W (32.7157, -117.1611) |
| 人口 | 3.280.000 |
| 當地時間 | 2:37 PM (UTC-07:00) |
| Best months | 四月, 五月, 六月, 七月, 八月, 九月 and 十月 |
| 氣候 | Mediterranean |
天氣 map for San Diego County
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 San Diego County
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 San Diego County?
San Diego County is a county in California. Its coordinates are 32.7157, -117.1611. It lies in 北美洲.
What is the weather like in San Diego County現在?
It is currently 15°C (59°F)，天氣為晴朗. 濕度 is 84% and wind is 8 km/h.
When is the best time至visit San Diego County?
四月, 五月, 六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in San Diego County, which has a Mediterranean climate. 一月, 二月 and 三月 are usually the hardest months for outdoor plans.
What time zone is San Diego County in?
San Diego County observes America/Los_Angeles (UTC-07:00). The local time is 2:37 PM.
How many people live in San Diego County?
San Diego County has a population of approximately 3.3 million.
What is the nearest airport至San Diego County?
The closest airports are San Diego International Airport (SAN), 4 km away, Los Angeles International Airport (LAX), 179 km away and Harry Reid International Airport (LAS), 417 km away.
What are the top things至do in San Diego County?
Popular options include Coronado Beach, Anza-Borrego Desert State Park, Disneyland Resort, Joshua Tree National Park, Santa 週一ica State Beach and Hollywood Sign.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - 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 27, 2026 at 2:37 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
