Laguna Beach weather in August

August in Laguna Beach: warm, dry, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Laguna Beach🇺🇸 United States · California · Beach93
  1. 69Jan
  2. 73Feb
  3. 77Mar
  4. 81Apr
  5. 85May
  6. 87Jun
  7. 91Jul
  8. 93Aug
  9. 92Sep
  10. 89Oct
  11. 79Nov
  12. 71Dec

#1 of 12 months in Laguna Beach · #75 of 1413 destinations to visit in August · comfort 93/100 (tier S)

Days
24°C
Nights
19°C
Wet days
1
Sun
12.1 h
Humidity
74%
Daylight
13 h
Laguna Beach, United States
Photo: Mark Stebnicki · Pexels

Traveller notes on Laguna Beach in August

Laguna Beach's forum calls August one of the best months for warm ocean swimming, with water temperatures peaking around this time of year along the Southern California coast. Regulars note the sea breeze does most of the work keeping the immediate coastline comfortable even on a hot inland day, with a light sweater worth having once the sun goes down.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗

Other months in Laguna Beach

Regulars are specific June Gloom, the marine layer of low cloud and fog, is a genuine daily feature here that typically clears by around noon into a sunny afternoon, though some years stay cloudy for much longer stretches than usual. Our row backs that mild, genuinely dry read, 20.6C over 16.5C nights, with rain essentially absent, 0.8mm across half a day, and humidity at 74 percent. Regulars are consistent the sand itself runs noticeably cooler than areas even half a mile inland thanks to the steady ocean breeze, May actually rated as having better beach weather than this month, with July and August the genuinely reliable warm stretch. The sea sits at a cool 17.8C. The record: 12.9 hours of sun, a 14 kph wind and AQI 46.
GloomClearsByNoonMayBeatsJune · June · 1 month ago · Read more on Tripadvisor ↗
Laguna Beach-forum threads on December weather describe a genuine range: some visitors catch a beautiful early-month stretch good enough for the beach, while a winter storm rolling through can mean rain for the better part of a week instead. The standing daily rhythm regulars describe is morning and evening marine fog burning off into afternoon sun, a pattern that holds even on an otherwise middling day. Inland temperatures can run a good ten degrees warmer than right on the sand, worth knowing for anyone splitting time between the coast and Orange County further in. The advice across every thread is the same: layer up, since a warm, sunny afternoon can still turn into a genuinely cool evening requiring a proper jacket. Regulars call December a smart trade-off overall - thinner crowds than summer, in exchange for real weather variability. The record: 18C days feeling like 16C, 11C nights, 43mm across 4.1 days, a 16.3C sea, 75 percent humidity and 7.9 hours of sun.
MainBeachDecemberRegular · December · 1 month ago · Read more on Tripadvisor ↗
Laguna Beach-forum threads on October weather call it just about perfect: dry, fog-free, not really warm and not cold, sunny days in the 70s Fahrenheit dropping to the upper 50s at night. The standard advice is layering for the day-to-evening swing - shorts and a t-shirt through the afternoon, a light jacket or sweater once the sun goes down - with the end of the month running cooler, windier and drier still, enough that posters specifically recommend extra lotion for dry skin. Being coastal keeps Laguna a touch cooler than inland Orange County the whole month. The record: 23.5C days feeling like 26C, 19C nights, essentially none at all, a 21.1C sea, 74 percent humidity and 12.1 hours of sun - close to the mild, reliable month the forum describes.
MainBeachOctoberRegular · October · 1 month ago · Read more on Tripadvisor ↗
July is where Laguna Beach comes out of the gloom. June Gloom is the local name for the marine layer that forms when warming inland air pulls cool ocean air against the hills, and it can hang over the coast into early July; regulars say the cloud thins out noticeably right around the Fourth, and that later July is reliably warm. When it does turn up it usually burns off around midday. The catchy phrase oversells it - not every May or June day is grey - but July and August are the months they name for weather. Our row's 22.4C reads as 26C with the sun out, over an 18.5C night. The record: 0.5 precipitation days, 13 hours of sun, humidity 73 percent and a 20.1C sea.
ThinsOutAfterTheFourth · July · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Laguna Beach's card on the map.

Laguna Beach climate normals — August

Daytime high24°C / 74°F🌤 warm
Nighttime low19°C / 66°F
Feels like (high)26°C / 79°F
Sea temperature21°C / 70°F🌊 fresh
Rainfall7 mm / 0.3 in☀️ dry
Rainy days1 days
Humidity74%💧 humid
Dew point17°C / 63°F
Sunshine12.1 h/day
Daylight13.4 h
Wind14 km/h / 9 mph
Air quality (US AQI)48🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Laguna Beach in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsSummer season, Summer art festivals, Summer break in United States(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Laguna Beach's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherLaguna Beach's weather peaks July–September, best around August.

August includes Sawdust Art Festival.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Laguna Beach in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Summer season

    23 May – 7 SepSchool holidaysCrowded

    Coast Highway through the village backs up from Memorial Day, the beach lots fill before nine, and the free summer trolley is the only sane way in. Labor Day ends it as abruptly as it started.

  • Festival

    Sawdust Art Festival

    24 Jun – 6 Sep · usuallyArts festival

    Two hundred local artists selling out of their own booths in a eucalyptus grove, on ground actually covered in sawdust. It has run since 1966 as the artists' answer to the show over the road. Source ↗

  • Festival

    Summer art festivals

    7 Jul – 3 SepArts festivalCrowded

    Three shows run at once in the canyon all summer: the Festival of Arts with the Pageant of the Masters staged nightly as living tableaux, Sawdust across the road, and Art-A-Fair beside it. Park at ACT V and take the shuttle. Source ↗

What's on around the world in August →

Nearby, and something's on

Within 300 km of Laguna Beach — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Laguna Beach?

Loading map…

Laguna Beach in August — FAQ

Is August a good time to visit Laguna Beach?
August in Laguna Beach: warm, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Laguna Beach on SeasonMap's comfort score (93/100).
What is the weather like in Laguna Beach in August?
In August, Laguna Beach averages a daily high of 23.5°C and a low of 19°C, with about 6.7 mm of rain over roughly 0.5 rainy days.
What is the air quality in Laguna Beach in August?
Laguna Beach has a mean US Air Quality Index of about 48 in August.

Within 300 km: Joshua Tree National Park's Perseids and new-moon nights around 25 Jul – 20 Aug, and Santa Barbara's Blue and humpback season around 15 May – 15 Sep.