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Holbox bioluminescence in April 2027: darkest nights

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

15 pitch-dark nights, 17 dark nights

New moon Tue 6 Apr · Full moon Tue 20 Apr

Night by night, April 2027

NightMoon20:0022:00Best
Thu 1 Apr 22%●●●●●●●●●●22:00
Fri 2 Apr 15%●●●●●●●●●●22:00
Sat 3 Apr 9%●●●●●●●●●●22:00
Sun 4 Apr 4%●●●●●●●●●●22:00
Mon 5 Apr 1%●●●●●●●●●●22:00
Tue 6 Apr 0%●●●●●●●●●●22:00
Wed 7 Apr 2%●●●●●●●●●●22:00
Thu 8 Apr 6%●●●●●●●●●●22:00
Fri 9 Apr 12%●●●●●●●●●●22:00
Sat 10 Apr 20%●●●●●●●●●●22:00
Sun 11 Apr 30%●●●●●●●●●●22:00
Mon 12 Apr 41%●●●●●●●●●●22:00
Tue 13 Apr 53%●●●●●●●●●●22:00
Wed 14 Apr 65%●●●●●●●●●●22:00
Thu 15 Apr 76%●●●●●●●●●●22:00
Fri 16 Apr 85%●●●●●●●●●●22:00
Sat 17 Apr 92%●●●●●●●●●●22:00
Sun 18 Apr 97%●●●●●●●●●●22:00
Mon 19 Apr 99%●●●●●●●●●●20:00
Tue 20 Apr 100%●●●●●●●●●●20:00
Wed 21 Apr 98%●●●●●●●●●●20:00
Thu 22 Apr 94%●●●●●●●●●●20:00
Fri 23 Apr 88%●●●●●●●●●●20:00
Sat 24 Apr 82%●●●●●●●●●●22:00
Sun 25 Apr 74%●●●●●●●●●●22:00
Mon 26 Apr 65%●●●●●●●●●●22:00
Tue 27 Apr 56%●●●●●●●●●●22:00
Wed 28 Apr 47%●●●●●●●●●●22:00
Thu 29 Apr 37%●●●●●●●●●●22:00
Fri 30 Apr 28%●●●●●●●●●●22:00

Check one night in detail Holbox bioluminescence tours

Questions

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

The darkest nights are Thu 1 Apr, Fri 2 Apr, Sat 3 Apr, Sun 4 Apr, Mon 5 Apr, Tue 6 Apr, Wed 7 Apr, Thu 8 Apr, Fri 9 Apr, Sun 25 Apr and more. 17 of 30 nights score at least 4 out of 5.

Which nights should I avoid in April 2027?

Avoid the nights around the full moon on Tue 20 Apr, when moonlight washes out the glow.

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

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).