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Manialtepec Lagoon in January 2027: darkest nights

Swimming in the glowing water is allowed from the boats. Best August to December.

18 pitch-dark nights, 20 dark nights

New moon Thu 7 Jan · Full moon Fri 22 Jan

Night by night, January 2027

NightMoon19:3021:00Best
Fri 1 Jan 27%●●●●●●●●●●19:30
Sat 2 Jan 18%●●●●●●●●●●19:30
Sun 3 Jan 11%●●●●●●●●●●19:30
Mon 4 Jan 6%●●●●●●●●●●19:30
Tue 5 Jan 2%●●●●●●●●●●19:30
Wed 6 Jan 0%●●●●●●●●●●19:30
Thu 7 Jan 0%●●●●●●●●●●21:00
Fri 8 Jan 2%●●●●●●●●●●21:00
Sat 9 Jan 5%●●●●●●●●●●21:00
Sun 10 Jan 10%●●●●●●●●●●21:00
Mon 11 Jan 17%●●●●●●●●●●21:00
Tue 12 Jan 25%●●●●●●●●●●21:00
Wed 13 Jan 35%●●●●●●●●●●21:00
Thu 14 Jan 45%●●●●●●●●●●21:00
Fri 15 Jan 56%●●●●●●●●●●21:00
Sat 16 Jan 67%●●●●●●●●●●21:00
Sun 17 Jan 77%●●●●●●●●●●21:00
Mon 18 Jan 86%●●●●●●●●●●21:00
Tue 19 Jan 93%●●●●●●●●●●21:00
Wed 20 Jan 98%●●●●●●●●●●21:00
Thu 21 Jan 100%●●●●●●●●●●19:30
Fri 22 Jan 99%●●●●●●●●●●19:30
Sat 23 Jan 96%●●●●●●●●●●19:30
Sun 24 Jan 90%●●●●●●●●●●19:30
Mon 25 Jan 82%●●●●●●●●●●19:30
Tue 26 Jan 73%●●●●●●●●●●21:00
Wed 27 Jan 63%●●●●●●●●●●21:00
Thu 28 Jan 53%●●●●●●●●●●21:00
Fri 29 Jan 43%●●●●●●●●●●21:00
Sat 30 Jan 33%●●●●●●●●●●21:00
Sun 31 Jan 25%●●●●●●●●●●21:00

Check one night in detail Manialtepec Lagoon tours

Questions

What are the best nights to see the bioluminescence at Manialtepec Lagoon in January 2027?

The darkest nights are Fri 1 Jan, Sat 2 Jan, Sun 3 Jan, Mon 4 Jan, Tue 5 Jan, Wed 6 Jan, Thu 7 Jan, Fri 8 Jan, Sat 9 Jan, Sun 10 Jan and more. 20 of 31 nights score at least 4 out of 5.

Which nights should I avoid in January 2027?

Avoid the nights around the full moon on Fri 22 Jan, when moonlight washes out the glow.

19:30 or 21:00: which Manialtepec Lagoon tour is darker in January?

19:30 is the darker choice on 8 nights; 21:00 is the darker choice on 13 nights.

Manialtepec Lagoon 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/Mexico_City).