Like The Photo

Koh Rong plankton in November 2026: darkest nights

Swim off Long Set Beach or from night boat trips on Koh Rong Samloem. Year-round; best in the dry season.

16 pitch-dark nights, 18 dark nights

New moon Mon 9 Nov · Full moon Tue 24 Nov

Night by night, November 2026

NightMoon20:0022:00Best
Sun 1 Nov 53%●●●●●●●●●●20:00
Mon 2 Nov 42%●●●●●●●●●●20:00
Tue 3 Nov 31%●●●●●●●●●●20:00
Wed 4 Nov 21%●●●●●●●●●●20:00
Thu 5 Nov 13%●●●●●●●●●●20:00
Fri 6 Nov 6%●●●●●●●●●●20:00
Sat 7 Nov 2%●●●●●●●●●●20:00
Sun 8 Nov 0%●●●●●●●●●●20:00
Mon 9 Nov 0%●●●●●●●●●●20:00
Tue 10 Nov 2%●●●●●●●●●●20:00
Wed 11 Nov 6%●●●●●●●●●●20:00
Thu 12 Nov 11%●●●●●●●●●●22:00
Fri 13 Nov 17%●●●●●●●●●●22:00
Sat 14 Nov 25%●●●●●●●●●●22:00
Sun 15 Nov 34%●●●●●●●●●●22:00
Mon 16 Nov 43%●●●●●●●●●●22:00
Tue 17 Nov 53%●●●●●●●●●●22:00
Wed 18 Nov 63%●●●●●●●●●●22:00
Thu 19 Nov 72%●●●●●●●●●●20:00
Fri 20 Nov 81%●●●●●●●●●●20:00
Sat 21 Nov 89%●●●●●●●●●●20:00
Sun 22 Nov 95%●●●●●●●●●●20:00
Mon 23 Nov 99%●●●●●●●●●●20:00
Tue 24 Nov 100%●●●●●●●●●●20:00
Wed 25 Nov 98%●●●●●●●●●●20:00
Thu 26 Nov 94%●●●●●●●●●●20:00
Fri 27 Nov 88%●●●●●●●●●●20:00
Sat 28 Nov 79%●●●●●●●●●●20:00
Sun 29 Nov 69%●●●●●●●●●●20:00
Mon 30 Nov 58%●●●●●●●●●●20:00

Check one night in detail Koh Rong plankton tours

Questions

What are the best nights to see the bioluminescence at Koh Rong plankton in November 2026?

The darkest nights are Sun 1 Nov, Mon 2 Nov, Tue 3 Nov, Wed 4 Nov, Thu 5 Nov, Fri 6 Nov, Sat 7 Nov, Sun 8 Nov, Mon 9 Nov, Tue 10 Nov and more. 18 of 30 nights score at least 4 out of 5.

Which nights should I avoid in November 2026?

Avoid the nights around the full moon on Tue 24 Nov, when moonlight washes out the glow.

20:00 or 22:00: which Koh Rong plankton tour is darker in November?

20:00 is the darker choice on 15 nights; 22:00 is the darker choice on 5 nights.

Koh Rong plankton darkness by month

Darkness score 1-5 per tour slot from twilight and moonlight. Weather and plankton health are not included. Times are local (Asia/Phnom_Penh).