Cambodia (Sihanoukville) · January
Best travel monthTravel seasonCambodia · Asia
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 31° (88°)28– (82–)32 (90) | 31° (88°)28– (82–)33 (91) | 32° (90°)29– (84–)33 (91) | 33° (91°)29– (84–)34 (93) | 32° (90°)29– (84–)34 (93) | 31° (88°)28– (82–)33 (91) | 31° (88°)27– (81–)32 (90) | 31° (88°)27– (81–)32 (90) | 30° (86°)27– (81–)32 (90) | 31° (88°)27– (81–)32 (90) | 31° (88°)28– (82–)32 (90) | 31° (88°)28– (82–)32 (90) |
Ø night, range from coldest to warmest nightØ nightrange | 24° (75°)20– (68–)26 (79) | 24° (75°)21– (70–)26 (79) | 25° (77°)23– (73–)27 (81) | 26° (79°)24– (75–)28 (82) | 27° (81°)24– (75–)29 (84) | 27° (81°)24– (75–)29 (84) | 26° (79°)23– (73–)28 (82) | 26° (79°)24– (75–)28 (82) | 26° (79°)24– (75–)27 (81) | 26° (79°)24– (75–)27 (81) | 26° (79°)23– (73–)27 (81) | 25° (77°)21– (70–)27 (81) |
☀️Sunshine | 8h UV 8 | 9h UV 9 | 9h UV 9 | 9h UV 9 | 7h UV 8 | 5h UV 7 | 5h UV 7 | 5h UV 7 | 5h UV 7 | 6h UV 7 | 7h UV 8 | 8h UV 8 |
🌊Water Temp | 28° (82°) | 29° (84°) | 30° (86°) | 31° (88°) | 31° (88°) | 30° (86°) | 30° (86°) | 30° (86°) | 30° (86°) | 30° (86°) | 30° (86°) | 29° (84°) |
🌧Rain Days | 3d37mm (1.5") | 3d38mm (1.5") | 6d98mm (3.9") | 10d155mm (6.1") | 16d264mm (10.4") | 17d344mm (13.5") | 21d476mm (18.7") | 19d390mm (15.4") | 20d546mm (21.5") | 17d300mm (11.8") | 11d153mm (6.0") | 5d71mm (2.8") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
January is among the best months in Cambodia (Sihanoukville): only 3 rain days, 31°C (88°F) highs, and good sunshine make for ideal holiday conditions.
Daytime highs average 31°C (88°F), cooling to 24°C (75°F) at night (daily average: 27°C (81°F)). Peaks reach around 32°C (90°F), the coldest nights around 20°C (68°F). The sun shines an average of 8 hours per day; there are 3 rain days with 37 mm (1.5 in) total. The water is a warm 28°C (82°F) — perfect for snorkelling and swimming.
Pack light summer clothing, sunscreen, and swimwear — beach and water conditions in January are ideal.
Packing list for Cambodia (Sihanoukville) in January
- Light summer clothes
- Swimwear and beach towel
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Small umbrella (occasional showers possible)
- Insect repellent
- Travel first-aid kit
Frequently Asked Questions
- Is January a good time to visit Cambodia (Sihanoukville)?
- Yes — January is one of the best months to visit Cambodia (Sihanoukville) (Climate Score: 89/100). Pleasant temperatures (31°C (88°F)), good sunshine (8 h/day), and few rain days (3) make it one of the most recommended months.
- How warm is it in Cambodia (Sihanoukville) in January?
- In January, Cambodia (Sihanoukville) sees daily highs of 31°C (88°F). Nights cool to 24°C (75°F), with a daily average of 27°C (81°F). Peaks reach around 32°C (90°F), the coldest nights around 20°C (68°F).
- How much rain falls in Cambodia (Sihanoukville) in January?
- In January, Cambodia (Sihanoukville) receives an average of 37 mm (1.5 in) of rain over 3 rain days. That is comparatively dry.
- How many sunshine hours does Cambodia (Sihanoukville) get in January?
- Cambodia (Sihanoukville) averages 8 sunshine hours per day in January — above the annual average.
- How warm is the water in Cambodia (Sihanoukville) in January?
- Water temperature in Cambodia (Sihanoukville) in January averages 28°C (82°F) — ideal for swimming and snorkelling.
