Kep weather in August
August in Kep: sweltering, soaked, with clean air — fine if you can take 28 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#9 of 12 months in Kep · #974 of 1413 destinations to visit in August · comfort 67/100 (tier C)
- Days
- 29°C
- Nights
- 26°C
- Wet days
- 28
- Sun
- 8.9 h
- Humidity
- 85%
- Daylight
- 13 h

Traveller notes on Kep in August
Notes from nearby Sihanoukville (87 km away)
Kep doesn't have its own notes for August yet — these are about Sihanoukville, close enough to share the season.
Sihanoukville forum regulars describe August as genuine monsoon season, with rain that can hit overnight, early morning or mid-afternoon and, when it does, comes down hard for roughly an hour before clearing. One traveler who spent two weeks there in August said it only rained a handful of times, always torrential but brief, and had more sunny days than wet ones overall. The bigger risk isn't the rain itself but rougher seas - a few posters mentioned island boat trips to Koh Rong getting cancelled on choppy days, so it's worth building a spare day into any island-hopping plan.
Other months in Kep
Cambodia forum threads are consistent that January sits squarely in the dry season here - lower temperatures, much lower humidity than the wetter months, and genuinely pleasant conditions extending from the November/December stretch through January. One visitor specifically mentioned swimming at Angkoul Beach in January with fine water quality despite the beach itself not being pristine. Kep's famous crab market was the other recurring highlight, with regulars recommending buying fresh crab straight from vendors who'll cook it to order with Kampot pepper. One seasonal note worth knowing: the region's solar salt fields, a nearby attraction, only work and look their best in dry season - during the wet months they're just flooded fields.
Forum posters describe February as a good time to visit Cambodia generally - somewhat cooler than the peak heat ahead but already warming up, and noticeably drier, with leaves dropping from trees and rice fields mostly harvested and dry. Posters do flag genuine dust as a byproduct of this dry stretch. Even within the broader November-February dry season, posters describe a common daily pattern of a sunny, pleasant morning giving way to more cloud by late afternoon, with a real chance of a passing shower or brief thunderstorm by evening - Cambodia's tropical climate means even the dry season isn't fully rain-free. Posters generally pair a Kep visit with nearby Kampot, treating the two coastal towns as a natural combination.
Add your own note from Kep's card on the map.
Kep climate normals — August
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Kep 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.
Shoulder seasonschool holidays in 4 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Kep'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).
Fair weatherKep's weather peaks January–March.
Best weatherFair weatherToughest weather
What's on in Kep in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Southwest monsoon quiet
1 Jun – 30 Sep · usuallyThe wet months are Kep's cheapest and emptiest, with afternoon storms rather than all-day rain and a boat to Rabbit Island that runs when the sea allows rather than when the timetable says.
- Season
Wet season
MonsoonRisk28 rainy days and about 235 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Nearby, and something's on
Within 300 km of Kep — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Kep?
Kep in August — FAQ
- Is August a good time to visit Kep?
- August in Kep: sweltering, soaked, with clean air — fine if you can take 28 rainy days. It ranks #9 of 12 months for Kep on SeasonMap's comfort score (67/100).
- What is the weather like in Kep in August?
- In August, Kep averages a daily high of 29°C and a low of 25.8°C, with about 235.2 mm of rain over roughly 28 rainy days.
- What is the air quality in Kep in August?
- Kep has a mean US Air Quality Index of about 29 in August.
Within 300 km: Ho Chi Minh City's Vu Lan and the ghost month around 1 Aug – 5 Sep, and Phu Quoc's Phu Quoc visa exemption on 1 Jan – 31 Dec.