Rosario weather in May 2025

Expect 70°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Rosario in May. Check more long-term weather averages for Rosario in May before you book your next holiday to Argentina in 2025/2026.

  • 70°F maximum daytime temperature in May in Rosario70
    70°F max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in May in Rosario6
    6 days with some rainfall
  • 48°F minimum night-time temperature in May in Rosario48
    48°F min night temperature
  • 10 hours of daylight per day in May in Rosario10
    10 hours of daylight per day
  • No heat & humidity in May in Rosario0
    No heat & humidity
  • 2.0 inches monthly rainfall in May in Rosario2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Rosario4
    4 (Moderate) UV index

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The May 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 May?

Daytime temperatures usually reach 70°F in Rosario in May, falling to 48°F at night.

How sunny is it in Rosario in May?

There are normally 6 hours of bright sunshine each day in Rosario in May - that's 60% of daylight hours.

Does it rain in Rosario in May?

There are usually 6 days with some rain in Rosario in May and the average monthly rainfall is 2.0 inches.

Rosario May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 07:36 18:23
Friday, 16th May 2025 07:47 18:11
Saturday, 31st May 2025 07:57 18:04

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