La Union (San Juan La Union) weather in August

August in La Union: sweltering, soaked, with clean air — a gamble, with 28 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

La Union🇵🇭 Philippines · Philippines · Beach55
  1. 85Jan
  2. 89Feb
  3. 93Mar
  4. 90Apr
  5. 75May
  6. 63Jun
  7. 57Jul
  8. 55Aug
  9. 60Sep
  10. 66Oct
  11. 78Nov
  12. 81Dec

#12 of 12 months in La Union · #1180 of 1413 destinations to visit in August · comfort 55/100 (tier D)

Days
29°C
Nights
26°C
Wet days
28
Sun
8 h
Humidity
85%
Daylight
13 h
La Union, Philippines
Photo: Luzviminda7641 · CC0

Traveller notes on La Union in August

Notes from nearby Baguio (39 km away)

La Union doesn't have its own notes for August yet — these are about Baguio, close enough to share the season.

Forum posters consistently describe August as squarely within Baguio's wet, typhoon-prone season, with one estimate citing around 750mm of rain across the month - genuinely heavy by any measure. Posters are direct that Baguio, known as the Philippines' coolest city, sees August temperatures typically 16-23C, cool enough that heating indoors still isn't necessary despite the rain. Posters consistently recommend a jacket, umbrella and a spare pair of shoes as standard August packing, while reassuring visitors that rain doesn't fall continuously all day - there's still real time to get out and enjoy the city between showers. Posters generally rate August as workable for a Baguio visit, cool temperatures and rain gear making it manageable despite the genuinely substantial rainfall.
Tripadvisor community · August · 1 month ago · about Baguio · Read more on Tripadvisor ↗

Other months in La Union

Forum posters describe September as one of the wettest months across the Philippines, second only to October on average, with typhoon season adding real variability - a typhoon can bring rain for days, while an ordinary rainy stretch typically means a sharp, short downpour rather than an all-day event. Posters describe a typical 10-day window as mixing a few bright, sunny days with a few genuinely torrential ones, and note forecasts only become reliable a few days out given how quickly conditions shift. Posters describing La Union specifically highlight it as a well-established surf destination with newer resort development, implying the wave conditions tied to this wetter, windier season can actually work in a surfer's favor. Posters generally rate September as genuinely wet and typhoon-prone but still very visitable for La Union with flexible plans, particularly appealing for surf-focused travelers.
Tripadvisor community · September · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe the La Union/Baler surf season as running roughly October through March, placing March near the tail end of the best window rather than deep in the off-season - posters call the weather generally fine for a March trip, though peak conditions (November-February) are technically just behind. La Union is repeatedly named as the Philippines' second-most-popular surf destination, drawing a crowd that skews heavily toward surfers rather than general beachgoers, with decent snorkeling spots nearby as a secondary activity. Wave conditions this time of year are described as generally beginner-friendly, a pattern posters say tends to hold from the December low-season stretch through into early spring.
Tripadvisor community · March · 1 month ago · Read more on Tripadvisor ↗

Add your own note from La Union's card on the map.

La Union climate normals — August

Daytime high29°C / 84°F🔥 sweltering
Nighttime low26°C / 78°F
Feels like (high)34°C / 93°F
Sea temperature30°C / 86°F♨️ bath-warm
Rainfall594 mm / 23.4 in⛈ soaked
Rainy days28 days
Humidity85%💦 very humid
Dew point24°C / 76°F
Sunshine8 h/day
Daylight12.7 h
Wind18 km/h / 11 mph
Air quality (US AQI)35🍃 good

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

Crowds in La Union 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.

Quietschool holidays in 4 of the markets that fill it, one of its worst months for weather(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for La Union'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).

Toughest weatherLa Union's weather peaks February–April, best around March.

August coincides with Typhoon season.

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Best weatherFair weatherToughest weather

What's on in La Union in August

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

  • Hazard

    Typhoon season

    1 Jun – 30 NovClosures

    Western Luzon takes systems head-on and the coast road north gets cut by landslides. The same storms are what the surfers are watching for. Source ↗

  • Season

    Habagat surf season

    1 Jul – 31 Oct · usuallyRisk

    The second season, driven by the southwest monsoon and whatever is spinning offshore. Bigger and messier than winter, and it comes with the rain that brings it. Source ↗

  • Season

    Wet season

    MonsoonRisk

    28 rainy days and about 594 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in August →

Where is La Union?

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La Union in August — FAQ

Is August a good time to visit La Union?
August in La Union: sweltering, soaked, with clean air — a gamble, with 28 rainy days. It ranks #12 of 12 months for La Union on SeasonMap's comfort score (55/100).
What is the weather like in La Union in August?
In August, La Union averages a daily high of 28.8°C and a low of 25.7°C, with about 593.9 mm of rain over roughly 28.3 rainy days.
What is the air quality in La Union in August?
La Union has a mean US Air Quality Index of about 35 in August.