Siem Reap Weather in August
Cambodia · August climate averages and travel tips
Expect very hot days in Siem Reap in August: the average high is 31°C (88°F) and the average low is 25°C (76°F). The month is wet, with about 185 mm (7.3 in) of rain spread over 24 days, making it the third wettest month of the year. Humidity averages 85%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.4 hours of daylight and frequently cloudy skies.
Is August a good time to visit Siem Reap?
August is not the best time to visit Siem Reap (1.1/10) mainly because of the rain. The weather is much better in December.
Visiting Siem Reap in August
August: warm and very wet
Siem Reap is hot, sticky and cloudy in August, and the rain is the main reason it scores so low. Highs reach 31°C and nights stay warm at 25°C. Rain falls on 24 days, and humidity sits at 85%, so temple visits can feel tiring. Showers may interrupt your plans, though they often leave gaps between them. If you can choose your month, December is the best time to visit, and August is hard to recommend by comparison.
Angkor's temples still work well for sightseeing, but muddy paths and slippery stone can make long walks less pleasant. Save indoor stops, such as the Angkor National Museum, for a rainy spell. A countryside bike ride is less appealing when the tracks are wet, so don't count on one for a full day out.
Temple visits and local life
If you're travelling with young children, shorter visits to Angkor Wat and Bayon may be easier than a long temple circuit in the sticky air.
August 18 is Queen Mother's Birthday, a public holiday in Cambodia. It's a chance to notice local celebrations, though major temple events aren't tied to the day. The monsoon also raises water levels around Tonlé Sap, but boat trips can depend on conditions and access, so check before you plan around one.
Fewer visitors, wet paths
August is quieter than the dry-season peak, especially around Angkor Wat, and hotel rates are often lower than in the busiest months. You'll still meet other visitors, but it's easier to find a calmer moment at popular sites. September is wetter still, with 246 mm of rain, so August isn't the rainiest month. Expect clouds and showers rather than long sunny afternoons, since the data shows just 1.4 hours of sun a day.
At Angkor Wat, stick to the main stone paths and take care on steps after rain. For a meal back in town, try fish amok, a mild coconut fish curry and a local classic.
August weather at a glance
| Average high | 31°C (88°F) |
|---|---|
| Average low | 25°C (76°F) |
| Daily mean | 27°C (81°F) |
| Rainfall | 185 mm (7.3 in) |
| Rainy days (1 mm+) | 24 |
| Humidity | 85% |
| Cloud cover | 90% |
| Daylight | 12.4 hours |
| Est. sunshine | 1.4 hours/day |
| Wind | 6.5 km/h |
| vs July | About as warm as July, with similar rainfall. |
What to pack for Siem Reap in August
- light, breathable clothing
- sunscreen and a hat
- an umbrella or rain jacket
Siem Reap weather in other months
← JulyBest time to visit Siem ReapSeptember →
Better weather in August nearby
- Astana25°C · 30 mm · Excellent
- Baku29°C · 3 mm · Excellent
- Sanaa29°C · 13 mm · Excellent
- Istanbul30°C · 17 mm · Excellent
- Ulan Bator23°C · 73 mm · Excellent
- Bali28°C · 27 mm · Excellent
Nearby in August
- Phnom Penh31°C · 163 mm
- Pattaya30°C · 156 mm
- Bangkok32°C · 196 mm
- Ho Chi Minh City30°C · 194 mm
- Bien Hoa30°C · 194 mm
- Can Tho30°C · 205 mm
Where else is good in August? See where to go in August.