Mar del Plata weather in January 2026

Expect daytime maximum temperatures of 26°C in Mar del Plata in January based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 89 mm of rainfall in the month.

  • 26°C maximum daytime temperature in January in Mar del Plata26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in January in Mar del Plata9
    9 days with some rainfall
  • 14°C minimum night-time temperature in January in Mar del Plata14
    14°C min night temperature
  • 14 hours of daylight per day in January in Mar del Plata14
    14 hours of daylight per day
  • Low heat & humidity in January in Mar del PlataL
    Low heat & humidity
  • 89 mm monthly rainfall in January in Mar del Plata89
    89 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Mar del Plata11
    11+ (Extreme) UV index
  • 20°C sea temperature in January in Mar del Plata20
    20°C sea temperature

More about Mar del Plata

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The January weather guide for Argentina (Mar del Plata) 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 / mm)  |  Imperial (°F / inches)

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More about Argentina

How hot is it in Mar del Plata in January?

Daytime temperatures usually reach 26°C in Mar del Plata in January with low heat and humidity, falling to 14°C at night.

How sunny is it in Mar del Plata in January?

There are normally 9 hours of bright sunshine each day in Mar del Plata in January - that's 63% of daylight hours.

How warm is the sea around Mar del Plata in January?

The average sea temperature around Mar del Plata in January is 20°C.

Does it rain in Mar del Plata in January?

There are usually 9 days with some rain in Mar del Plata in January and the average monthly rainfall is 89mm.

Mar del Plata January sunrise & sunset times

Browse the sunrise and sunset times for Mar del Plata in January 2026. Select a month to view Mar del Plata sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 05:32 20:16
Friday, 16th January 2026 05:46 20:14
Saturday, 31st January 2026 06:03 20:04

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