Koh Russei

Island Small Cambodian island near Sihanoukville, sandy beaches

Koh Russei (Bamboo Island) in Preah Sihanouk province is a small Cambodian island with beaches and shallow reefs-popular for day trips from Sihanoukville and snorkeling.

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Koh Russei, also known as Bamboo Island, is a small uninhabited island in Preah Sihanouk province, Cambodia, lying off the coast of Sihanoukville in the Gulf of Thailand. It is a popular local destination for beaches and snorkeling.

The island’s attractions are its white sand beach and clear shallow waters that support nearshore coral and fish, making it a frequent stop on boat tours from Sihanoukville. Facilities are minimal and visits are typically limited to daytime recreation.

Koh Russei has no permanent settlement and is managed as part of the coastal island group associated with Sihanoukville tourism operations. Landing and short stays are common, but services and infrastructure are limited.

Geographically the island sits a few kilometers off the coast of Sihanoukville in southern Cambodia and is one of several small islands that form accessible day-trip destinations from the mainland port.

  • Short day-trip from Sihanoukville: The island is a short boat ride from Sihanoukville and is commonly visited on day trips for beach time and snorkeling over nearby reefs.
Koh Russei
10.4948, 103.5607

How to Get to Koh Russei #

Koh Russei is reached by boat from Sihanoukville (Preah Sihanouk province). Day-trip operators and private charters run regular short crossings; confirm departure points and times ahead of arrival.

Tips for Visiting Koh Russei #

  • Explore the sheltered bays by kayak for intimate reef viewing and quiet beaches.
  • Respect local conservation rules - parts of the island may be managed for protection of seagrass beds and nesting birds.
  • Visit in early morning for calm seas and better visibility for snorkeling.

Best Time to Visit Koh Russei #

Best during the dry season (November-April) for calm waters and snorkeling; monsoon months bring more rain and occasional rough seas.

Dry season (Nov-Apr)
November-April · 25-31°C (77-88°F)
Calm seas and clear water ideal for snorkeling and beach visits.
Monsoon (May-Oct)
May-October · 24-30°C (75-86°F)
Higher chance of rain and rough seas; some services may be reduced.

Weather & Climate near Koh Russei #

Climate

Tropical climate with consistently warm temperatures year-round. Temperatures range from 23°C to 33°C. Heavy rainfall (3141 mm/year), wettest in July with a pronounced dry season.

Best Time to Visit
JanuaryFebruaryDecember
Temperature & Rainfall
Temperature Range
35°
Warmest Month
19°
Coldest Month
Monthly Conditions

January

January is warm with highs of 30°C and lows of 23°C. The driest month with just 12 mm and partly cloudy skies.

91 Ideal

Comfort

27°
Feels Like Warm
27°C
Temperature
23° 30°
76%
Humidity
Very Humid

Weather

12 mm
Rainfall
2.7 m/s
Wind
Calm
2.0
UV Index
Very High
11.5h daylight

February

February is hot, feeling like 30°C due to high humidity. Light rainfall.

91 Ideal

Comfort

30°
Feels Like Hot
27°C
Temperature
23° 31°
74%
Humidity
Very Humid

Weather

29 mm
Rainfall
2.3 m/s
Wind
Calm
2.2
UV Index
Extreme
11.7h daylight

March

March is hot, feeling like 32°C due to high humidity. Significant rainfall (101 mm) and partly cloudy skies.

71 Very Good

Comfort

32°
Feels Like Hot
28°C
Temperature
24° 32°
74%
Humidity
Very Humid

Weather

101 mm
Rainfall
2.4 m/s
Wind
Calm
2.4
UV Index
Extreme
12.0h daylight

April

April is the hottest month, feeling like 35°C due to high humidity. Significant rainfall (137 mm) and partly cloudy skies.

63 Good

Comfort

35°
Feels Like Hot
29°C
Temperature
25° 33°
76%
Humidity
Very Humid

Weather

137 mm
Rainfall
2.0 m/s
Wind
Calm
2.4
UV Index
Extreme
12.3h daylight

May

May is hot, feeling like 34°C with oppressive humidity. Heavy rain (314 mm) and mostly overcast skies.

53 Acceptable

Comfort

35°
Feels Like Hot
29°C
Temperature
25° 32°
82%
Humidity
Very Humid

Weather

314 mm
Rainfall
2.3 m/s
Wind
Calm
2.1
UV Index
Extreme
12.5h daylight

June

June is hot, feeling like 32°C with oppressive humidity. Heavy rain (491 mm) and mostly overcast skies.

55 Acceptable

Comfort

32°
Feels Like Hot
28°C
Temperature
25° 31°
85%
Humidity
Very Humid

Weather

491 mm
Rainfall
2.8 m/s
Wind
Calm
2.0
UV Index
Very High
12.6h daylight

July

July is hot, feeling like 32°C with oppressive humidity. The wettest month with heavy rain (618 mm) and mostly overcast skies.

55 Acceptable

Comfort

32°
Feels Like Hot
28°C
Temperature
25° 31°
86%
Humidity
Very Humid

Weather

618 mm
Rainfall
2.9 m/s
Wind
Calm
1.9
UV Index
Very High
12.6h daylight

August

August is hot, feeling like 31°C with oppressive humidity. Heavy rain (534 mm) and mostly overcast skies.

63 Good

Comfort

31°
Feels Like Hot
27°C
Temperature
25° 30°
86%
Humidity
Very Humid

Weather

534 mm
Rainfall
2.7 m/s
Wind
Calm
2.0
UV Index
Very High
12.3h daylight

September

September is hot, feeling like 31°C with oppressive humidity. Heavy rain (489 mm) and mostly overcast skies.

63 Good

Comfort

31°
Feels Like Hot
27°C
Temperature
25° 30°
87%
Humidity
Very Humid

Weather

489 mm
Rainfall
2.4 m/s
Wind
Calm
1.9
UV Index
Very High
12.1h daylight

October

October is hot, feeling like 32°C with oppressive humidity. Heavy rain (287 mm) and mostly overcast skies.

65 Good

Comfort

32°
Feels Like Hot
28°C
Temperature
25° 31°
85%
Humidity
Very Humid

Weather

287 mm
Rainfall
1.9 m/s
Wind
Calm
2.0
UV Index
Very High
11.8h daylight

November

November is hot, feeling like 31°C with oppressive humidity. Significant rainfall (104 mm) and partly cloudy skies.

75 Very Good

Comfort

31°
Feels Like Hot
27°C
Temperature
24° 30°
83%
Humidity
Very Humid

Weather

104 mm
Rainfall
2.8 m/s
Wind
Calm
2.0
UV Index
Very High
11.5h daylight

December

December is warm with muggy conditions (dew point 22°C). Light rainfall and partly cloudy skies.

86 Excellent

Comfort

27°
Feels Like Warm
27°C
Temperature
24° 30°
79%
Humidity
Very Humid

Weather

25 mm
Rainfall
3.2 m/s
Wind
Light Breeze
1.9
UV Index
Very High
11.4h daylight

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