Phnom Penh Weather in July
Phnom Penh in July sees very high temperatures, with highs around 34°C (93°F) and overnight lows of 26°C (79°F). Rainfall is fairly high at around 151 mm (5.9 in) on average, so pack waterproofs just in case.
Rainfall in Phnom Penh in July
Records from the past 30 years suggest around 17 days of rain, with 151 mm (5.9 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Phnom Penh in July
If you're visiting Phnom Penh in July, expect highs of 34°C (93°F) and overnight lows around 26°C (79°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Phnom Penh in July
The city usually sees around 144 hours of sunlight, indicating a moderately sunny period.
Wind Speed in Phnom Penh in July
July has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.If you're looking for dry conditions and comfortable temperatures, July may not be the ideal month to visit Phnom Penh. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Phnom Penh's climate page.
Phnom Penh Temperature in July
Min Temperature
26°C (79°F)
Max Temperature
34°C (93°F)
Chance of Rain
56%
Precipitation
151 mm (5.9 in)
Rainy days
17 days
Humidity
80%
Windspeed
3 m/s (6 knots)
Sunshine
144 hours
Percentage Sunshine
Historical weather for Phnom Penh in July
Browse day-by-day weather records for Phnom Penh spanning 38 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Phnom Penh historical weather extremes in July
Based on 20 years of weather observations (2005-2025), these are the most extreme conditions recorded in Phnom Penh.
- Phnom Penh recorded its highest July temperature of 39°C (102°F) on July 17, 2015.
- On July 21, 2022, Phnom Penh saw its coldest July day with temperatures maxing out at 28°C (82°F).
- Nighttime temperatures dropped to 22°C (72°F) on July 13, 2025, marking the coldest July night on record.
Best Places in Cambodia in July
Find out more about the weather in Cambodia and which places have the best travel conditions in this month. See all of Cambodia in July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Phnom Penh in July
Pack for serious heat in Phnom Penh in July. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Phnom Penh in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Phnom Penh's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Phnom Penh climate overview or explore weather in Cambodia.
