County in California

San Diego County Veður Spá

San Diego County weather: 16°C, skýjað. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.

☁️ 16°C now🕔 4:10 PM local📅 Best: apríl, maí, júní, júlí, ágúst, september and október👥 3.3 million

San Diego County weather in júlí

24°
average high · low 18°C
★★★★★
ranked #1 of 12 months

One of the best months til visit San Diego County.

Average high24°C
Average low18°C
Mean21°C
Rigningfall0 mm

júlí runs 4°C warmer than the annual average in San Diego County.

Veður map for San Diego County

Animated model layers. Pick a layer til load it.

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Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.

Loftslag in San Diego County month by month

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

janfebmaraprjújúágsepoktnódesLine: average high · Bars: rainfall
MánuðurAvg highAvg lowRigningfallRating
janúar19°9°61 mm★★★★☆
febrúar19°10°78 mm★★★★☆
mars20°11°69 mm★★★★☆
apríl20°12°12 mm★★★★★
maí20°14°7 mm★★★★★
júní22°16°3 mm★★★★★
júlí24°18°0 mm★★★★★
ágúst26°19°8 mm★★★★★
september25°18°15 mm★★★★★
október24°14°21 mm★★★★★
nóvember21°11°53 mm★★★★☆
desember19°10°32 mm★★★★☆

Loftslag type: Mediterranean. Heimild: Open-Meteo archive (ERA5).

Best time til visit San Diego County

Go in apríl, maí, júní, júlí, ágúst, september and október. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: janúar, febrúar and mars - expect the least comfortable mix of heat, cold or rain.

janúar★★★★☆
febrúar★★★★☆
mars★★★★☆
apríl★★★★★
maí★★★★★
júní★★★★★
júlí★★★★★
ágúst★★★★★
september★★★★★
október★★★★★
nóvember★★★★☆
desember★★★★☆

What til pack, what til skip

Pack for the next 7 days
  • sun.glasses, a brimmed hat and SPF 30+
  • A packable rain shell - 2 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid janúar, febrúar and mars - historically the least comfortable months here.

How San Diego County compares með 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 warmer128 mm
Orange County128 km18°C+1°C warmer396 mm

Sjá spá fyrir San Diego County eftir tímabili

San Diego County weather - more answers

Explore San Diego County

Every topic we hold for this place, and the same topic for the places around it.

Veður 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 Norður-Ameríka.

What is the weather like in San Diego County núna?

It is currently 16°C (60°F) með skýjað. Raki is 91% and wind is 8 km/h.

When is the best time til visit San Diego County?

apríl, maí, júní, júlí, ágúst, september and október offer the most comfortable conditions in San Diego County, which has a Mediterranean climate. janúar, febrúar and mars 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 4:10 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 til 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 til do in San Diego County?

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

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Spá and observationsOpen-Meteo (ECMWF and national models).
Loftgæði and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Loftslag averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Veður 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 október 28, 2026 at 4:10 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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