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Siem Reap Weather in July
Thinking of visiting Siem Reap in July? Expect very high temperatures reaching 33°C (91°F) during the day, dropping to 26°C (79°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Siem Reap in July
Rain is expected on roughly 18 days, totalling around 166 mm (6.5 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Siem Reap in July
Temperatures in Siem Reap in July top out at 33°C (91°F) and drop to 26°C (79°F) overnight. It's usually most comfortable outside during the morning and later in the day. Nights are warm at 26°C (79°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.Our weather planner can help you find worldwide destinations with pleasant weather during this period. December typically offers the best weather for Siem Reap.
Siem Reap Temperature in July
Min Temperature
26°C (79°F)
Max Temperature
33°C (91°F)
Chance of Rain
59%
Precipitation
166 mm (6.5 in)
Rainy days
18 days
Humidity
71%
Siem Reap Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Siem Reap - and find the best time to visit.
Historical weather records for Siem Reap in July
Browse day-by-day weather records for Siem Reap spanning 34 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Siem Reap historical weather extremes in July
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Siem Reap.
- The hottest July day on record in Siem Reap reached 38°C (100°F) (July 7, 2014).
- On July 13, 2022, Siem Reap saw its coldest July day with temperatures maxing out at 27°C (81°F).
- The coldest night in July in Siem Reap was on July 13, 2020, with a minimum of 22°C (72°F).
- The wettest July day on record brought 68 mm (2.7 in) of precipitation to Siem Reap (July 23, 2023).
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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Siem Reap in July
Pack for serious heat in Siem Reap 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.
What To Do in Siem Reap in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Siem Reap 3-Day Forecast
More climate data for Siem Reap
See the full Siem Reap climate overview or explore weather in Cambodia.
Popular in July
Where to go in July - average daytime high across popular destinations.
Battambang
35°C (95°F) Phnom Penh
34°C (93°F) Siem Reap33°C (91°F) Chambok31°C (88°F) Kep30°C (86°F) Kampot30°C (86°F) Sihanoukville30°C (86°F) Koh Rong Island30°C (86°F) Bucket list
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