Cambodia
Siem Reap in May: weather & travel advice
This month's data profile
Heat shapes the decision
Siem Reap in May is climatically mixed. The average daily high is around 34 °C. With about 22 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
32/100 · #12
Warmth
#4
Dryness
#8
Sun
#2
Published best categories: none
Siem Reap · MayPhoto: Bahnfrend · CC BY-SA 4.0Climate facts
- Average high
- 34 °C
- Average low
- 26 °C
- Rainy days (est.)
- 22 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 74 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| April | 36 | 26 | 13 | 74 | 7.3 | 63 | 1.4 | 43 |
| May (selected) | 34 | 26 | 22 | 143 | 7.1 | 74 | 1.4 | 32 |
| June | 32 | 25 | 23 | 174 | 6.8 | 82 | 1.7 | 36 |
How do the previous and next months compare?
Baseline: May (32/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| April | +11 | +2 °C | +0.3 °C | -9.5 | -69.8 mm | +0.2 h | -10.5 % | -0.1 m/s |
| June | +4 | -2.2 °C | -0.8 °C | +1 | +30.5 mm | -0.3 h | +8 % | +0.3 m/s |
All twelve months in context
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Where to stay in Siem Reap
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Useful next decisions
Frequently asked questions
How warm is Siem Reap in May?
The average daily high is around 34 °C, with an average daily low of about 26 °C.
Does it rain a lot in Siem Reap in May?
The curated estimate is about 22 rainy days per month, not a directly measured long-term average. Total precipitation averages around 143 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Siem Reap?
By the climate score, January, February, November and December are the strongest months for Siem Reap. May is not among them.