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Holbox bioluminescence in June 2027: darkest nights

Plankton glows along the lagoon shore and Punta Cocos. Very sensitive to moonlight. Best June to October, warm water.

14 pitch-dark nights, 16 dark nights

New moon Fri 4 Jun · Full moon Fri 18 Jun

Night by night, June 2027

NightMoon20:0022:00Best
Tue 1 Jun 9%●●●●●●●●●●22:00
Wed 2 Jun 4%●●●●●●●●●●22:00
Thu 3 Jun 1%●●●●●●●●●●22:00
Fri 4 Jun 0%●●●●●●●●●●22:00
Sat 5 Jun 3%●●●●●●●●●●22:00
Sun 6 Jun 8%●●●●●●●●●●22:00
Mon 7 Jun 15%●●●●●●●●●●22:00
Tue 8 Jun 24%●●●●●●●●●●22:00
Wed 9 Jun 35%●●●●●●●●●●22:00
Thu 10 Jun 47%●●●●●●●●●●22:00
Fri 11 Jun 58%●●●●●●●●●●22:00
Sat 12 Jun 69%●●●●●●●●●●22:00
Sun 13 Jun 78%●●●●●●●●●●22:00
Mon 14 Jun 87%●●●●●●●●●●22:00
Tue 15 Jun 93%●●●●●●●●●●22:00
Wed 16 Jun 97%●●●●●●●●●●20:00
Thu 17 Jun 99%●●●●●●●●●●20:00
Fri 18 Jun 100%●●●●●●●●●●20:00
Sat 19 Jun 98%●●●●●●●●●●20:00
Sun 20 Jun 95%●●●●●●●●●●20:00
Mon 21 Jun 91%●●●●●●●●●●20:00
Tue 22 Jun 84%●●●●●●●●●●22:00
Wed 23 Jun 77%●●●●●●●●●●22:00
Thu 24 Jun 68%●●●●●●●●●●22:00
Fri 25 Jun 59%●●●●●●●●●●22:00
Sat 26 Jun 49%●●●●●●●●●●22:00
Sun 27 Jun 39%●●●●●●●●●●22:00
Mon 28 Jun 29%●●●●●●●●●●22:00
Tue 29 Jun 19%●●●●●●●●●●22:00
Wed 30 Jun 11%●●●●●●●●●●22:00

Check one night in detail Holbox bioluminescence tours

Questions

What are the best nights to see the bioluminescence at Holbox bioluminescence in June 2027?

The darkest nights are Tue 1 Jun, Wed 2 Jun, Thu 3 Jun, Fri 4 Jun, Sat 5 Jun, Sun 6 Jun, Mon 7 Jun, Thu 24 Jun, Fri 25 Jun, Sat 26 Jun and more. 16 of 30 nights score at least 4 out of 5.

Which nights should I avoid in June 2027?

Avoid the nights around the full moon on Fri 18 Jun, when moonlight washes out the glow.

20:00 or 22:00: which Holbox bioluminescence tour is darker in June?

20:00 is the darker choice on 2 nights; 22:00 is the darker choice on 18 nights.

Holbox bioluminescence darkness by month

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