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Iguazú Falls rainbow in December 2026

Short answer: On 15 December 2026: Best rainbow from Devil's Throat walkway (Argentina), 06:05–19:10 (strongest around 18:35), if the sun is out. Every day of December is in the table. Water level in December: high.

Iguazú has two classic viewpoints: the Brazilian trail that faces the whole Argentine side of the falls, and the walkway over the Devil's Throat, where you stand inside the spray.

DateBrazilian sideDevil's Throat
Tue 1 Dec 06:00–10:55 06:00–19:00
Wed 2 Dec 06:00–10:55 06:00–19:00
Thu 3 Dec 06:00–10:55 06:00–19:05
Fri 4 Dec 06:00–10:55 06:00–19:05
Sat 5 Dec 06:00–10:55 06:00–19:05
Sun 6 Dec 06:00–10:55 06:00–19:05
Mon 7 Dec 06:00–10:55 06:00–19:05
Tue 8 Dec 06:00–10:55 06:00–19:05
Wed 9 Dec 06:05–10:55 06:05–19:05
Thu 10 Dec 06:05–10:55 06:05–19:10
Fri 11 Dec 06:05–10:55 06:05–19:10
Sat 12 Dec 06:05–11:00 06:05–19:10
Sun 13 Dec 06:05–11:00 06:05–19:10
Mon 14 Dec 06:05–11:00 06:05–19:10
Tue 15 Dec 06:05–11:00 06:05–19:10
Wed 16 Dec 06:05–11:00 06:05–19:10
Thu 17 Dec 06:05–11:00 06:05–19:10
Fri 18 Dec 06:05–11:00 06:05–19:15
Sat 19 Dec 06:05–11:00 06:05–19:15
Sun 20 Dec 06:05–11:00 06:05–19:15
Mon 21 Dec 06:05–11:00 06:05–19:15
Tue 22 Dec 06:05–11:00 06:05–19:15
Wed 23 Dec 06:10–11:05 06:10–19:15
Thu 24 Dec 06:10–11:05 06:10–19:15
Fri 25 Dec 06:10–11:05 06:10–19:15
Sat 26 Dec 06:10–11:05 06:10–19:15
Sun 27 Dec 06:10–11:05 06:10–19:15
Mon 28 Dec 06:10–11:05 06:10–19:15
Tue 29 Dec 06:10–11:05 06:10–19:15
Wed 30 Dec 06:10–11:05 06:10–19:20
Thu 31 Dec 06:15–11:05 06:15–19:20

Hour by hour for your date Iguazú Falls tours

Questions

What time is the rainbow at Iguazú Falls in December 2026?

On 15 December 2026: Best rainbow from Devil's Throat walkway (Argentina), 06:05–19:10 (strongest around 18:35), if the sun is out. Every day of December is in the table. Water level in December: high.