Cambodia in May
May is Cambodia's 8th-best month (rank 8 of 12): its 7 destinations average 62/100, led by Kep at 73 — 31°C and 27 rainy days — while Phnom Penh is warmer at 40°C and scores 59.
#8 of 12 months for Cambodia · 7 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Cambodia in May
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Kep | Beach | 31°C | 200 mm · 27 days | 73 tier B | — |
| 2 | Koh Rong | Island | 31°C | 313 mm · 29 days | 64 tier C | — |
| 3 | Sihanoukville | Beach | 30°C | 320 mm · 29 days | 64 tier C | — |
| 4 | Phnom Penh | City | 40°C | 136 mm · 22 days | 59 tier D | — |
| 5 | Siem Reap | City | 40°C | 124 mm · 19 days | 59 tier D | — |
| 6 | Battambang | City | 35°C | 108 mm · 20 days | 58 tier D | — |
| 7 | Kampot | City | 31°C | 200 mm · 27 days | 58 tier D | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means May is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Cambodia in May
- Kampot pepper harvest · Kampot · 1 Feb – 15 May (usually)
- Salt harvest on the flats · Kampot · 15 Dec – 15 May (usually)