O'Sinlear WaterfallO'Sinlear Waterfall at a Glance#
Exploring O'Sinlear Waterfall#
O’Sinlear Waterfall is one of Ratanakiri’s top attractions, a striking four-tiered cascade that photographs especially well from a distance. Visitors can swim in the cool water when the flow is not at its peak, and it is a popular picnic spot with locals throughout the year, particularly at weekends.
Things to Do
Nearby Attractions to O'Sinlear Waterfall#
When to Go
Best Time to Visit O'Sinlear Waterfall#
You can see the waterfall at its fullest in the wet season (May-Oct), but the dry/cool months (Nov-Feb) are easiest for access and walking.
Dry/cool season
Nov-Feb · 22-32°C
Trails and access are easiest, flows are lower than peak but the site is more comfortable for hiking and sightseeing.
Hot season
Mar-May · 25-36°C
Very hot and humid; the waterfall is often weaker and visiting can be physically strenuous.
Wet season (peak flow)
May-Oct · 24-31°C
Heavy rains bring the waterfall to its fullest but make paths slippery and some approaches difficult or muddy.
Weather & Climate near O'Sinlear Waterfall#
Climate
O'Sinlear Waterfall's climate is classified as Tropical Savanna - Tropical Savanna climate with consistently warm temperatures year-round. Temperatures range from 19°C to 32°C. Heavy rainfall (2521 mm/year), wettest in July with a pronounced dry season.
Air Quality:
AQI 75
Moderate
Best Time to Visit
FebruaryJanuaryMarch
Temperature & Rainfall
Temperature Range
44°
Warmest Month
11°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Ideal | 19° - 28° | 23° | 2 mm | some cloud | 62% | 1.7 m/s | 1.9 very high | 11.3h |
| February | Ideal | 20° - 29° | 24° | 6 mm | mostly sunny | 57% | 1.8 m/s | 2.2 extreme | 11.6h |
| March | Ideal | 21° - 31° | 26° | 24 mm | some cloud | 55% | 1.9 m/s | 2.2 extreme | 11.9h |
| April | Excellent | 23° - 32° | 28° | 44 mm | partly cloudy | 56% | 1.7 m/s | 2.2 extreme | 12.3h |
| May | Good | 23° - 32° | 29° | 273 mm | overcast | 66% | 1.7 m/s | 2.2 extreme | 12.6h |
| June | Good | 23° - 31° | 30° | 381 mm | overcast | 72% | 1.9 m/s | 2.2 extreme | 12.8h |
| July | Good | 23° - 31° | 30° | 573 mm | overcast | 75% | 1.7 m/s | 2.1 extreme | 12.7h |
| August | Good | 23° - 31° | 27° | 523 mm | overcast | 78% | 1.9 m/s | 2.1 extreme | 12.4h |
| September | Good | 23° - 30° | 26° | 446 mm | overcast | 79% | 1.4 m/s | 2.0 extreme | 12.1h |
| October | Very Good | 22° - 29° | 25° | 193 mm | partly cloudy | 74% | 1.5 m/s | 1.9 very high | 11.7h |
| November | Excellent | 21° - 28° | 24° | 45 mm | partly cloudy | 70% | 1.9 m/s | 1.8 very high | 11.4h |
| December | Ideal | 19° - 27° | 23° | 11 mm | partly cloudy | 66% | 2.0 m/s | 1.7 very high | 11.2h |