Climate guide for Siem Reap, Cambodia

Siem Reap in July

Weather, crowds & best time to visit

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July · Cambodia

Best time to visit Siem Reap in July Weather, crowds & prices

Weather in Siem Reap in July

Average temperature 27°C, 324 mm of rain, about 22 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

July score

3.4/10

Ranked #9 of 12 months

Full year for Siem Reap
Avg temp
27°C
Rainfall
324 mm
Humidity
85%
Days with 6h+ sun
22
Crowd Density
Moderate Crowds
Average Expenses
$ · Budget Friendly ($)

July in Siem Reap scores 3.4/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 27°C, 324 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.

Siem Reap is the base for Angkor's temples, with a river town of markets and cafés beside it.

July in Siem Reap — the hardest end of the year

July averages 27°C (81°F) and humidity near 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

324 mm makes this the wettest stretch of the year, though about 22 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.

It scores 3.4/10 here, 9th of 12 months, against 8.4/10 in the destination's best month.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Figure on low-season pricing, with crowds are moderate.

Flexible dates? December scores 5 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Siem Reap in July?
In July, Siem Reap averages 27°C, 324 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 3.4/10.
Is July a good time to visit Siem Reap?
July earns a 3.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Siem Reap in July?
Expect about 324 mm of rain in July. Average humidity is 85% and there are about 22 days with 6+ hours of sunshine.

Curated in Siem Reap

Tickets & experiences

Things to do in Siem Reap

Siem Reap, Cambodia. Live activities and tours from GetYourGuide, matched to this destination.