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Travel Capsule

What to Wear in Siem Reap in August

32°C / 90°F high · 25°C / 77°F low · 18 rain days · 12h 35m daylight
Climate source Normals published by Deutscher Wetterdienst (DWD), Siem Reap station.
Updated
TL;DR

Siem Reap in August: average high 32°C / 90°F, low 25°C / 77°F, and 18 rain days.

Do
  • Carry the same weather kit across a July–August trip
  • Dry changes matched to your laundry access
  • Confirm the requirements of any additional excursion
Don't
  • Interpreting a one-degree difference as a different season
  • Assuming lake conditions from the calendar alone
  • Adding several delicate outfits that cannot be reworn

A trip that continues from July into August needs much the same Siem Reap clothing. August’s recorded average high is 32°C, one degree lower than July, while the low remains 25°C and both entries list 18 rain days. Keep the light coverage layer and practical shoes; use your luggage space for dry changes rather than a new month-specific wardrobe. If you add a boat outing to temple days, ask the operator about current conditions, access and the day’s equipment needs. Clothing advice cannot establish whether an excursion is running or suitable. For evenings, one clean outfit with an optional scarf is enough to create a change from the walking look.

Clothing advice cannot establish whether an excursion is running or suitable.

The capsule

  1. Lightweight linen midi dress + cotton long-sleeve tunic — knee-and-shoulder cover for Angkor
    01
    Light dress and long-sleeve tunic for temple visits

    Choose clothing that covers shoulders and knees comfortably without relying on a loose scarf to stay in place. Test the outfit when sitting, stepping up and reaching before the trip.

  2. Hoka Speedgoat 5 or Salomon Sense Ride 5 trail shoe + Krama Khmer scarf
    02
    Grippy walking shoes and a light scarf

    Prioritise secure footing and all-day comfort. Use the scarf as an optional accessory; the base clothing should provide the coverage you want for a temple visit.

  3. Patagonia Houdini packable shell + Patagonia Torrentshell 3L for sustained-deluge
    03
    Packable rain layer

    Keep it accessible while moving between stops. A waterproof shell and a windbreaker do different jobs, so check what your garment is designed to handle.

  4. Angkor Silk Farm scarf + Artisans Angkor jewelry — for evening + souvenir
    04
    Silk scarf and optional jewellery for evening

    These are ways to reuse a plain daytime outfit for dinner, not items you need to buy locally. Keep delicate pieces dry and leave them behind on a wet walking day.

  5. Mineral SPF 50 + broad-brim sun hat + Krama Khmer scarf for cover
    05
    Sun hat and sun protection

    Pick a hat that fits securely and can be carried when indoors. Keep your usual sun protection available rather than planning from a fixed UV number in an article.

  6. Lightweight cashmere cardigan + LMNT electrolyte tabs
    06
    Light cardigan and day-bag supplies

    Pack the cardigan only if it is useful for your indoor comfort. Choose a washable layer and keep it separate from a wet rain shell.

  7. Crossbody bag + cash USD + reusable water bottle 2L + insect repellent
    07
    Crossbody, water bottle and daily essentials

    Choose the bag for the distance and length of your outing. Protect documents and electronics from rain; the illustration is not a complete equipment list for every excursion.

  8. Krama Khmer scarf + APSARA-dress-code knee-and-shoulder cover layer
    08
    Scarf and coverage layer

    Use an existing tunic or other secure layer when you want more coverage. A scarf can be useful, but do not assume an accessory alone meets every site’s visitor rules.

Day to night

Morning

Tunic with loose trousers or a light dress, plus secure walking shoes. Choose the day bag after confirming the outing rather than from a fixed checklist.

Evening

Dry base outfit, optional silk scarf and comfortable shoes. Keep the rain layer available for the journey back.

A suggested look — Sand short-sleeve linen tunic, ivory ankle trousers, flat sandals. Siem Reap hot humid monsoon, 33C/26C..

Siem Reap in August — Sand short-sleeve linen tunic, ivory ankle trousers, flat sandals. Siem Reap hot humid monsoon, 33C/26C.

What to avoid

  • Interpreting a one-degree difference as a different season
  • Assuming lake conditions from the calendar alone
  • Adding several delicate outfits that cannot be reworn

Frequently asked questions

Not in these recorded averages: the high differs by 1°C, the low is unchanged and the rain-day count is the same. Reuse the useful pieces and adjust laundry quantities to the length of the whole trip.

Ask the operator about the current trip, boarding arrangements and required equipment before deciding. Protect documents and spare clothes from water. Do not treat a city outfit capsule as a complete boating safety checklist.

Reserve one dry top or dress, and store it away from a damp shell or shoes. Use a scarf or small accessory you already own if you want a different look instead of packing several extra ensembles.

A comfortable alternative can be useful while your walking pair dries. Choose it for a real activity, such as dinner or the hotel, and avoid adding a pair that you cannot walk in just to change the look.

Continue planning

Sources

  1. Deutscher Wetterdienst (DWD) — climate normals, Siem Reap stationDeutscher Wetterdienst's climate table for Siemreap-Angkor: temperatures 1997–2010, rain days (0.1 mm or more) 2006–2010. Cambodia publishes no English normals.
  2. Angkor Enterprise — official visitor code of conduct — accessed 2026-10-23
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