County in California

San Diego County İklim and Average Hava durumu

İklim of San Diego County: average temperatures, rainfall and seasons month by month.

☀️ 31°C now🕔 11:57 PM local📅 Best: Nisan, May, Haziran, Temmuz, Ağustos, Eylül and Ekim👥 3.3 million

İklim in San Diego County month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

OcaŞuMarNisMayHazTemAğEylEkiKasAraLine: average high · Bars: rainfall
AyAvg highAvg lowYağmurfallRating
Ocak19°9°61 mm★★★★☆
Şubat19°10°78 mm★★★★☆
Mart20°11°69 mm★★★★☆
Nisan20°12°12 mm★★★★★
May20°14°7 mm★★★★★
Haziran22°16°3 mm★★★★★
Temmuz24°18°0 mm★★★★★
Ağustos26°19°8 mm★★★★★
Eylül25°18°15 mm★★★★★
Ekim24°14°21 mm★★★★★
Kasım21°11°53 mm★★★★☆
Aralık19°10°32 mm★★★★☆

İklim type: Mediterranean. Kaynak: Open-Meteo archive (ERA5).

Recent extremes in San Diego County

Yüksekest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.

Hottest day35°CEyl 8, 2026
Coldest night3°COca 8, 2024
Wettest day58 mmOca 22, 2024

How San Diego County compares ve nearby places

Annual averages, and the difference against San Diego County.

PlaceDistanceAvg tempvs hereAnnual rain
San Diego0 km17°Cabout the same359 mm
San Diego International Airport4 km17°Cabout the same359 mm
Coronado Beach4 km17°Cabout the same359 mm
Anza-Borrego Desert State Park93 km24°C+6°C warmer118 mm
Orange County128 km18°C+1°C warmer385 mm

Ziyaret için en iyi zaman San Diego County

Go in Nisan, May, Haziran, Temmuz, Ağustos, Eylül and Ekim. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: Ocak, Şubat and Mart - expect the least comfortable mix of heat, cold or rain.

Ocak★★★★☆
Şubat★★★★☆
Mart★★★★☆
Nisan★★★★★
May★★★★★
Haziran★★★★★
Temmuz★★★★★
Ağustos★★★★★
Eylül★★★★★
Ekim★★★★★
Kasım★★★★☆
Aralık★★★★☆

What this means for San Diego County

Compared ve normal

Today is much warmer than average for Ekim. The forecast high of 38°C is 13.9°C above the 24°C typical for this month.

Yağmur chance explained

Yağmur is very unlikely today - plans do not need a backup.

Seyahat and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in Haziran ile Ağustos.

Worth knowing

The gap between the warmest and coldest month averages 9°C.

What ile pack, what ile skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • Pazglasses, a brimmed hat and SPF 30+
Worth avoiding
  • Avoid long hikes after mid-morning; start at dawn or leave it for a cooler day.
  • If your dates are flexible, avoid Ocak, Şubat and Mart - historically the least comfortable months here.

Özet

San Diego County is a county in California. San Diego County is a county in the United States. Nüfusu yaklaşık 3.3 million.

Şu anda sıcaklık 31°C (87°F) in San Diego County ve açık gökyüzü. Hissedilen sıcaklık 32°C. Bugün sıcaklık 24°C ile 38°C. Yağış olasılığı 0%. Sightseeing conditions score 8.7/10 - mükemmel — şimdi çıkın.

Ziyaret için en iyi zaman San Diego County is Nisan, May, Haziran, Temmuz, Ağustos, Eylül and Ekim. İklim Mediterranean. Ocak, Şubat and Mart tend ile be the least comfortable months. Ağustos is the warmest month ve average highs near 26°C, while Ocak is the coldest ve 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.

Kısaca. Today is much warmer than average for Ekim. The forecast high of 38°C is 13.9°C above the 24°C typical for this month. The best window ile be outside is roughly 7 AM ile 10 AM, when temperature, rain chance and wind line up best. swimming is the strongest bet in San Diego County 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 San Diego County

TürCounty
StateCalifornia
ÜlkeAmerika Birleşik Devletleri
KıtaKuzey Amerika
Koordinatlar32°42′56.5″N 117°9′40″W (32.7157, -117.1611)
Nüfus3.280.000
Yerel saat11:57 PM (UTC-07:00)
Best monthsNisan, May, Haziran, Temmuz, Ağustos, Eylül and Ekim
İklimMediterranean

Hava durumu map for San Diego County

Animated model layers. Pick a layer ile load it.

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Animated layers by Rüzgâry. 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.

İklim 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 Kuzey Amerika.

What is the weather like in San Diego County şu anda?

It is currently 31°C (87°F) ve açık gökyüzü. Nem is 46% and wind is 14 km/h.

When is the best time ile visit San Diego County?

Nisan, May, Haziran, Temmuz, Ağustos, Eylül and Ekim offer the most comfortable conditions in San Diego County, which has a Mediterranean climate. Ocak, Şubat and Mart 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 11:57 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 ile 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 ile do in San Diego County?

Popular options include Coronado Beach, Anza-Borrego Desert State Park, Disneyland Resort, Joshua Tree National Park, Santa Pztica State Beach and Hollywood Sign.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Tahmin and observationsOpen-Meteo (ECMWF and national models).
Hava kalitesi and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
İklim averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Hava durumu Service.
MethodScores, 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 Ekim 5, 2026 at 11:57 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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