Phnom Penh weather in August 2025

Expect daytime maximum temperatures of 32°C in Phnom Penh, Cambodia in August and very high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 162 mm of rainfall in the month.

• 32
  32°C max day temperature
• 5
  5 hours of sunshine per day
• 16
  16 days with some rainfall
• 25
  25°C min night temperature
• 12
  12 hours of daylight per day
• VH
  Very High heat & humidity
• 162
  162 mm of monthly rainfall
• 11
  11+ (Extreme) UV index

More about Phnom Penh

• 
  Overview
• 
  Best time to visit
• 
  Weather by month
• 
  5-day weather forecast
• 
  Destinations
• 
  Travel advice
• 
  Deals & discounts

Phnom Penh by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Cambodia

• Travelbag^*
• Cosmos^*
• Avalon Waterways^*
• Wendy Wu Tours^*

Singapore Airlines: Current flight deals worldwide

Sale

• Save on flights to Asia & Pacific with Singapore Airlines
• Fly to over 30 destinations from Heathrow & Manchester
• Including Singapore, Australia, Bali & New Zealand

Go to Singapore Airlines deal >>

View all Singapore Airlines offers

The August weather guide for Cambodia (Phnom Penh) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Cambodia

Phnom Penh August sunrise & sunset times

Browse the sunrise and sunset times for Phnom Penh in August 2025. Select a month to view Phnom Penh sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Related posts

Popular travel offers

Explore holidays in the sun for less

• Beach holidays
• Family holidays
• City breaks
• Summer holidays
• Winter sun holidays
• Holiday offers
• Top travel brands
• Airlines & flights
• Discount hotels
• Airport parking deals
• TUI
• Jet2holidays
• easyJet holidays
• Love Holidays
• January sales

More holidays

Airport parking

• Manchester Airport
• Stansted Airport
• Bristol Airport
• Luton Airport
• Birmingham Airport
• Edinburgh Airport
• Gatwick Airport
• Glasgow Airport
• Newcastle Airport

More parking

Airport lounges

• Manchester Airport
• Birmingham Airport
• Bristol Airport
• Edinburgh Airport
• Glasgow Airport
• Heathrow Airport
• Newcastle Airport
• Stansted Airport
• Gatwick Airport

More lounges

Top ^