Iguazu Falls weather in January 2026

Expect daytime maximum temperatures of 90°F in Iguazu Falls, Argentina in January and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 6.5 inches of rainfall in the month.

  • 90°F maximum daytime temperature in January in Iguazu Falls90
    90°F max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in January in Iguazu Falls10
    10 days with some rainfall
  • 68°F minimum night-time temperature in January in Iguazu Falls68
    68°F min night temperature
  • 14 hours of daylight per day in January in Iguazu Falls14
    14 hours of daylight per day
  • Very high heat & humidity in January in Iguazu FallsVH
    Very High heat & humidity
  • 6.5 inches monthly rainfall in January in Iguazu Falls6.5
    6.5 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Iguazu Falls11
    11+ (Extreme) UV index

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The January weather guide for Argentina (Iguazu Falls) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Iguazu Falls in January?

Daytime temperatures usually reach 90°F in Iguazu Falls in January with very high heat and humidity, falling to 68°F at night.

How sunny is it in Iguazu Falls in January?

There are normally 6 hours of bright sunshine each day in Iguazu Falls in January - that's 46% of daylight hours.

Does it rain in Iguazu Falls in January?

There are usually 10 days with some rain in Iguazu Falls in January and the average monthly rainfall is 6.5 inches.

Iguazu Falls January sunrise & sunset times

Browse the sunrise and sunset times for Iguazu Falls in January 2026. Select a month to view Iguazu Falls sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 05:50 19:33
Friday, 16th January 2026 06:01 19:34
Saturday, 31st January 2026 06:13 19:29

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