Phnom Penh weather in August
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Phnom Penh August weather at a glance
In August, Phnom Penh averages 27.9°C, with typical highs of 32.4°C and lows of 25.2°C. The historical average is 29 wet days and 83% humidity.
Phnom Penh August temperature & humidity
Phnom Penh August rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Phnom Penh in August
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 29 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 32.4°C
- Morning & eveningLight layer for air-conditioned rooms · average low 25.2°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Phnom Penh August sunrise & sunset times
2026 August · Local time (Asia/Phnom_Penh)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-08-01 | 05:48 | 18:25 | 12h 38m |
| 2026-08-15 | 05:50 | 18:20 | 12h 30m |
| 2026-08-31 | 05:50 | 18:11 | 12h 21m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Phnom Penh travel updates
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Phnom Penh rainy season & dry season
Is August wet or dry?
The 2024–2025 average for August is 29 wet days.
2024–2025 wet-day averages, not long-term season boundaries. Wet days do not mean all-day rain.
Packing for rainy and dry periods
For rainy periods, bring a light rain jacket, a waterproof pouch and quick-dry clothes. In drier months, pack sunscreen and a hat, plus a compact umbrella for showers. For beach trips, check the boat operator’s weather and cancellation notices.
Phnom Penh travel essentials
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Best months to visit Phnom Penh
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
August weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Phnom Penh weather like in August?
In August, Phnom Penh averages 27.9°C, with typical highs of 32.4°C and lows of 25.2°C. The historical average is 29 wet days and 83% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Phnom Penh in August?
There are about 29 wet days in August. Pack a rain jacket and water-resistant shoes.
What should I wear in Phnom Penh in August?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 29 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
What are the best months to visit Phnom Penh?
Recent weather data rates January, February, December among the more comfortable months.
Where can I check Phnom Penh weather in August in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
Is August rainy or dry season in Phnom Penh?
The 2024–2025 average for August is 29 wet days.
Which months have fewer rainy days in Phnom Penh?
In our 2024–2025 data, January, February, March have the fewest wet days. These are recent observations, not long-term climate normals. Compare temperatures and your planned activities as well.
What time are sunrise and sunset in Phnom Penh in August?
On 2026-08-15, calculated sunrise is 05:50 and sunset is 18:20 in local time (Asia/Phnom_Penh). Times vary by date and terrain.
Phnom Penh weather by month
More Southeast Asia destinations in August
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations