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Weather in Phnom Penh for August 2025

Your guide to Phnom Penh weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Phnom Penh at the beginning of August is 32.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 33.4 °C by the end of August.

  • Rain 🌧️

  • Phnom Penh experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 137.1 mm.

  • More

  • Is August a good time to visit Phnom Penh? check out the best time to travel to Phnom Penh page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
8
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
34°/25°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Phnom Penh in August average weather

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Temperatures trend during August in Phnom Penh

See the weather trend as well as the moving average line
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August weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /25° 1.2 mm 7
2 Aug. Moderate rain at times
Moderate rain at times
34° /25° 2.8 mm 7
3 Aug. Patchy rain possible
Patchy rain possible
32° /25° 6.3 mm 7
4 Aug. Patchy rain possible
Patchy rain possible
31° /24° 26.3 mm 7
5 Aug. Patchy rain possible
Patchy rain possible
33° /25° 1.9 mm 7
6 Aug. Patchy rain possible
Patchy rain possible
34° /25° 6.9 mm 8
7 Aug. Moderate rain at times
Moderate rain at times
34° /25° 0.8 mm 7
8 Aug. Patchy rain possible
Patchy rain possible
35° /25° 0.2 mm 8
9 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
35° /25° 1.9 mm 8
10 Aug. Patchy rain possible
Patchy rain possible
36° /26° 0.7 mm 8
11 Aug. Patchy rain possible
Patchy rain possible
35° /26° 0.5 mm 8
12 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
35° /26° 4 mm 8
13 Aug. Patchy rain possible
Patchy rain possible
35° /25° 0.4 mm 8
14 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
36° /25° 2.1 mm 8
15 Aug. Heavy rain at times
Heavy rain at times
35° /26° 0.8 mm 8
16 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
34° /25° 2 mm 7
17 Aug. Patchy rain possible
Patchy rain possible
35° /25° 0.4 mm 8
18 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
34° /25° 12.2 mm 8
19 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
35° /26° 10.3 mm 8
20 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
34° /25° 8.2 mm 8
21 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
34° /25° 7.9 mm 8
22 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
35° /25° 4.4 mm 8
23 Aug. Partly cloudy
Partly cloudy
35° /25° 1.6 mm 8
24 Aug. Patchy rain possible
Patchy rain possible
35° /26° 2.1 mm 8
25 Aug. Light rain shower
Light rain shower
35° /26° 1 mm 8
26 Aug. Patchy rain possible
Patchy rain possible
35° /25° 14 mm 8
27 Aug. Patchy rain possible
Patchy rain possible
31° /25° 5 mm 7
28 Aug. Patchy rain possible
Patchy rain possible
36° /25° 5.2 mm 8
29 Aug. Partly cloudy
Partly cloudy
33° /25° 1.2 mm 8
30 Aug. Light rain shower
Light rain shower
32° /26° 0.9 mm 7
31 Aug. Light rain shower
Light rain shower
32° /25° 3.8 mm 7
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Important Notice
Our weather forecast for Phnom Penh in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Phnom Penh forecast closer to your planned date for the most up-to-date weather information.

Phnom Penh in August - FAQ

What are the expected maximum and minimum temperatures in Phnom Penh during August?
During August, expect a variety of temperatures with highs around 34° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Phnom Penh during August?
Significant rainfall exceeding 137.1 mm is expected in Phnom Penh during August, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Phnom Penh during August?
The average wind speed in Phnom Penh during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Phnom Penh in August?

As you prepare for your trip to Phnom Penh in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Phnom Penh, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

August rainfall patterns in Phnom Penh

Explore the daily rainfall trends and prepare for Phnom Penhs August weather 💧

UV exposure in Phnom Penh during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Phnom Penh?

Get accurate weather forecasts for Phnom Penh, located at latitude 11.562 and longitude 104.916. Stay updated with localized weather information tailored for Phnom Penh.

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