La Union (San Juan La Union) weather by month

The best time to visit La Union (San Juan La Union) is February to April — 93/100 in March, 29°C and 8 rainy days. The best season is the dry season, November to May (84/100 on average).

The worst month is August at 55/100 — sweltering, soaked, clean air. See August →

Updated September 2026 · climate normals from ERA5 reanalysis

Planning the wider trip? Best time to visit Philippines →

La Union🇵🇭 Philippines · Philippines · Beach93
  1. 85Jan
  2. 89Feb
  3. 93Mar
  4. 90Apr
  5. 75May
  6. 63Jun
  7. 57Jul
  8. 55Aug
  9. 60Sep
  10. 66Oct
  11. 78Nov
  12. 81Dec

Best season: November to May (84/100 on average) · worst August (55/100)

Days
29°C
Nights
24°C
Wet days
8
Sun
11.2 h
Humidity
81%
Daylight
12 h
La Union, Philippines
Photo: Luzviminda7641 · CC0

La Union, month by month

Comfort score out of 100 for the kind of trip La Union is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.

MonthScoreTierHighRainSunCrowdsOn
Jan85A27°C13 d10 hPeak2
Feb89A27°C11 d10 hBusy1
Mar93S29°C8 d11 hQuiet3
Apr90S30°C11 d12 hPeak2
May75B31°C20 d11 hPeak1
Jun63C30°C26 d10 hBusy1
Jul57D29°C28 d8 hQuiet2
Aug55D29°C28 d8 hQuiet2
Sep60C29°C26 d9 hBusy2
Oct66C29°C22 d9 hShoulder2
Nov78B29°C18 d10 hBusy2
Dec81A28°C18 d9 hPeak2

What's on in La Union through the year

Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.

March
  • Holy Week20 Mar – 20 Apr (usually)Holiday
  • Summer beach crush15 Mar – 31 May (usually)Season
June
  • Typhoon season1 Jun – 30 NovHazard
July
  • Habagat surf season1 Jul – 31 Oct (usually)Season
November
  • Amihan surf season1 Nov – 31 Mar (usually)Season
December
  • Christmas and New Year season16 Dec – 1 JanHoliday

Everything on in La Union through the year →

Crowds in La Union in March

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.

Quiettravelers describe it as quiet, Summer beach crush, Holy Week

Sourced from traveler notes: “…ear the tail end of the best window rather than deep in the off-season - posters call the weather generally fine for a March trip,…” — Tripadvisor community

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Traveller notes on La Union

What people who have been say about the place — the year-round notes first, then month by month.

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 ↗
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 ↗

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