Sihanoukville Weather in January
January in Sihanoukville averages 30°C (86°F) during the day and 25°C (77°F) at night. Around 39 mm (1.5 in) of rainfall is typical for this time of year.
Rainfall in Sihanoukville in January
Typically around 5 days of rainfall are expected, averaging 39 mm (1.5 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Sihanoukville in January
Expect highs of 30°C (86°F) in Sihanoukville in January, with nights dropping to around 25°C (77°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Sihanoukville in January
Enjoy a sunny month with about 270 hours of sunshine, the clear skies make Sihanoukville even more beautiful.If you favor pleasant temperatures and minimal rainfall, January is one of the best months to visit Sihanoukville.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Sihanoukville's climate page.
Sihanoukville Temperature in January
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
18%
Precipitation
39 mm (1.5 in)
Rainy days
5 days
Sunshine
270 hours
Percentage Sunshine
Daily Historical Temperatures
49-year average (1976-2026)
Based on our historical records, temperatures in Sihanoukville typically stay consistent throughout January, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in January
Daily Historical Precipitation
49-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Sihanoukville in January
Browse day-by-day weather records for Sihanoukville spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sihanoukville historical weather extremes in January
Based on 34 years of weather observations in Sihanoukville between 1991 and 2025, these are the recorded extremes.
- The warmest day in January was on January 31, 1991, with a maximum of 36°C (97°F).
- The coldest January day was on January 10, 1999, with a maximum of 22°C (72°F).
- Nighttime temperatures dropped to 17°C (63°F) on January 14, 2021, marking the coldest January night on record.
Best Places in Cambodia in January
Find out more about the weather in Cambodia and which places have the best travel conditions in this month. See all of Cambodia in January →
perfect weather
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tolerable
unpleasant
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What to Wear in Sihanoukville in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Sihanoukville in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Sihanoukville's climate page.
See the full Sihanoukville climate overview or explore weather in Cambodia.
