SeasonMapCambodia in January
January is Cambodia's best month (rank 1 of 12): its 7 destinations average 84/100, led by Kep at 93 — 33°C and 6 rainy days — while Phnom Penh trails at 77 with 20 mm of rain.
#1 of 12 months for Cambodia · 7 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Cambodia in January
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Kep | Beach | 33°C | 24 mm · 6 days | 93 tier S | Yes |
| 2 | Sihanoukville | Beach | 34°C | 54 mm · 9 days | 92 tier S | Yes |
| 3 | Koh Rong | Island | 35°C | 52 mm · 10 days | 90 tier S | Yes |
| 4 | Battambang | City | 34°C | 15 mm · 3 days | 81 tier A | Yes |
| 5 | Siem Reap | City | 35°C | 17 mm · 2 days | 80 tier A | Yes |
| 6 | Kampot | City | 34°C | 24 mm · 6 days | 78 tier B | Yes |
| 7 | Phnom Penh | City | 35°C | 20 mm · 3 days | 77 tier B | Yes |
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 January 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 January
- Chinese New Year · Koh Rong · 20 Jan – 25 Feb (usually)
- Bioluminescent plankton · Koh Rong · 1 Nov – 31 Mar (usually)
- Rice harvest on the plain · Battambang · 15 Nov – 31 Jan (usually)
- Salt harvest on the flats · Kampot · 15 Dec – 15 May (usually)