Geography of San Diego County
Geography of San Diego County: location, coordinates, elevation, terrain and the places around it.
Geography of San Diego County
San Diego is 0 mi to the north, San Diego International Airport is 2 mi to the north-west, Coronado Beach is 3 mi to the south-west and Anza-Borrego Desert State Park is 58 mi to the north-east.
Map of San Diego County
Interactive map with nearby places. Switch between street, terrain and satellite views.
Coordinates: 32°42′56.5″N 117°9′40″W (32.7157, -117.1611)
Quick facts about San Diego County
| Type | County |
|---|---|
| State | California |
| Country | United States |
| Continent | North America |
| Coordinates | 32°42′56.5″N 117°9′40″W (32.7157, -117.1611) |
| Population | 3.280.000 |
| Local time | 10:36 PM (UTC-07:00) |
| Best months | April, May, June, July, August, September and October |
| Climate | Mediterranean |
Summary
San Diego County is a county in California. San Diego County is a county in the United States. It has a population of about 3.3 million.
Right now it is 76°F (25°C) in San Diego County with clear. It feels like 82°F. Today runs from 69°F to 84°F. Chance of precipitation is 0%. Sightseeing conditions score 9.8/10 - excellent - go now.
The best time to visit San Diego County is April, May, June, July, August, September and October. The climate is Mediterranean. January, February and March tend to be the least comfortable months. August is the warmest month with average highs near 78°F, while January is the coldest with lows near 48°F.
The closest major airport is San Diego International Airport (SAN), about 2 mi away. Nearby highlights include Coronado Beach, Anza-Borrego Desert State Park, Disneyland Resort and Joshua Tree National Park.
In plain terms. Today is slightly warmer than average for August. The forecast high of 84°F is 6.1°F above the 78°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in San Diego County today at 9.8/10. 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.
Climate in San Diego County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 65° | 48° | 2,4 in | ★★★★☆ |
| February | 65° | 50° | 3,1 in | ★★★★☆ |
| March | 67° | 52° | 2,7 in | ★★★★☆ |
| April | 67° | 54° | 0,5 in | ★★★★★ |
| May | 69° | 58° | 0,3 in | ★★★★★ |
| June | 72° | 61° | 0,1 in | ★★★★★ |
| July | 76° | 64° | 0,0 in | ★★★★★ |
| August | 78° | 65° | 0,6 in | ★★★★★ |
| September | 76° | 64° | 0,8 in | ★★★★★ |
| October | 75° | 58° | 0,8 in | ★★★★★ |
| November | 69° | 52° | 2,1 in | ★★★★☆ |
| December | 66° | 49° | 1,3 in | ★★★★☆ |
Climate type: Mediterranean. Source: Open-Meteo archive (ERA5).
Explore San Diego County
Every topic we hold for this place, and the same topic for the places around it.
Geography 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 North America.
What is the weather like in San Diego County right now?
It is currently 76°F (25°C) with clear. Humidity is 74% and wind is 4 mph.
When is the best time to visit San Diego County?
April, May, June, July, August, September and October offer the most comfortable conditions in San Diego County, which has a Mediterranean climate. January, February and March 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 10:36 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 to San Diego County?
The closest airports are San Diego International Airport (SAN), 2 mi away, Los Angeles International Airport (LAX), 111 mi away and Harry Reid International Airport (LAS), 259 mi away.
What are the top things to do in San Diego County?
Popular options include Coronado Beach, Anza-Borrego Desert State Park, Disneyland Resort, Joshua Tree National Park, Santa Monica State Beach and Hollywood Sign.
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| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Map tiles | OpenStreetMap contributors, CARTO and Esri. |
| Elevation | Open-Meteo digital elevation model where the dataset has no value. |
| 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 August 22, 2026 at 10:36 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
