Montevideo weather in May 2026

Expect daytime maximum temperatures of 66°F in Montevideo, Uruguay in May based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 3.0 inches of rainfall in the month.

  • 66°F maximum daytime temperature in May in Montevideo66
    66°F max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in May in Montevideo9
    9 days with some rainfall
  • 50°F minimum night-time temperature in May in Montevideo50
    50°F min night temperature
  • 10 hours of daylight per day in May in Montevideo10
    10 hours of daylight per day
  • No heat & humidity in May in Montevideo0
    No heat & humidity
  • 3.0 inches monthly rainfall in May in Montevideo3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in May in Montevideo3
    3 (Moderate) UV index
  • 61°F sea temperature in May in Montevideo61
    61°F sea temperature

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The May weather guide for Uruguay (Montevideo) 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 Montevideo in May?

Daytime temperatures usually reach 66°F in Montevideo in May, falling to 50°F at night.

How sunny is it in Montevideo in May?

There are normally 5 hours of bright sunshine each day in Montevideo in May - that's 53% of daylight hours.

How warm is the sea around Montevideo in May?

The average sea temperature around Montevideo in May is 61°F.

Does it rain in Montevideo in May?

There are usually 9 days with some rain in Montevideo in May and the average monthly rainfall is 3.0 inches.

Montevideo May sunrise & sunset times

Browse the sunrise and sunset times for Montevideo in May 2026. Select a month to view Montevideo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 07:21 18:02
Saturday, 16th May 2026 07:33 17:49
Sunday, 31st May 2026 07:43 17:42

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