Rosario weather in January 2025

Expect 88°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Rosario in January. Check more long-term weather averages for Rosario in January before you book your next holiday to Argentina in 2025/2026.

  • 88°F maximum daytime temperature in January in Rosario88
    88°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in January in Rosario8
    8 days with some rainfall
  • 64°F minimum night-time temperature in January in Rosario64
    64°F min night temperature
  • 14 hours of daylight per day in January in Rosario14
    14 hours of daylight per day
  • High heat & humidity in January in RosarioH
    High heat & humidity
  • 4.7 inches monthly rainfall in January in Rosario4.7
    4.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Rosario11
    11+ (Extreme) UV index

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The January weather guide for Argentina (Rosario) 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 Rosario in January?

Daytime temperatures usually reach 88°F in Rosario in January with high heat and humidity, falling to 64°F at night.

How sunny is it in Rosario in January?

There are normally 9 hours of bright sunshine each day in Rosario in January - that's 67% of daylight hours.

Does it rain in Rosario in January?

There are usually 8 days with some rain in Rosario in January and the average monthly rainfall is 4.7 inches.

Rosario January sunrise & sunset times

Browse the sunrise and sunset times for Rosario in January 2025. Select a month to view Rosario sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 05:58 20:15
Thursday, 16th January 2025 06:11 20:14
Friday, 31st January 2025 06:25 20:06

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