What to Wear in Siem Reap in August
Siem Reap in August: average high 32°C / 90°F, low 25°C / 77°F, and 18 rain days.
- Carry the same weather kit across a July–August trip
- Dry changes matched to your laundry access
- Confirm the requirements of any additional excursion
- 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
01Light dress and long-sleeve tunic for temple visitsChoose 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.
02Grippy walking shoes and a light scarfPrioritise 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.
03Packable rain layerKeep it accessible while moving between stops. A waterproof shell and a windbreaker do different jobs, so check what your garment is designed to handle.
04Silk scarf and optional jewellery for eveningThese 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.
05Sun hat and sun protectionPick 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.
06Light cardigan and day-bag suppliesPack the cardigan only if it is useful for your indoor comfort. Choose a washable layer and keep it separate from a wet rain shell.
07Crossbody, water bottle and daily essentialsChoose 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.
08Scarf and coverage layerUse 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
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.
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..
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
- Compare all Siem Reap months
See the available monthly guides and their weather averages before planning a trip across dates.
Sources
- 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.
- Angkor Enterprise — official visitor code of conduct — accessed 2026-10-23