Uruguay weather in August 2025

Expect 16°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Uruguay in August. Check more long-term weather averages for Uruguay in August before you book your next holiday to Uruguay in 2025/2026.

  • 16°C maximum daytime temperature in August in Uruguay (Montevideo)16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in August in Uruguay (Montevideo)9
    9 days with some rainfall
  • 7°C minimum night-time temperature in August in Uruguay (Montevideo)7
    7°C min night temperature
  • 11 hours of daylight per day in August in Uruguay (Montevideo)11
    11 hours of daylight per day
  • No heat & humidity in August in Uruguay (Montevideo)0
    No heat & humidity
  • 75 mm monthly rainfall in August in Uruguay (Montevideo)75
    75 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in Uruguay (Montevideo)4
    4 (Moderate) UV index
  • 11°C sea temperature in August in Uruguay (Montevideo)11
    11°C sea temperature

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The August 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.

Top Uruguay destinations

Below are average maximum temperatures at popular countries, regions and places in Uruguay in August. Select a holiday destination to see more weather parameters.

All Uruguay destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in Uruguay in August?

Daytime temperatures usually reach 16°C in Montevideo, Uruguay in August, falling to 7°C at night.

How sunny is it in Uruguay in August?

There are normally 5 hours of bright sunshine each day in Montevideo, Uruguay in August - that's 50% of daylight hours.

Is the sea cold around Uruguay in August?

The average sea temperature around Montevideo, Uruguay in August is 11°C.

Does it rain in Uruguay in August?

There are usually 9 days with some rain in Montevideo, Uruguay in August and the average monthly rainfall is 75mm.

Uruguay August sunrise & sunset times

Browse the sunrise and sunset times for Uruguay in August 2025. Select a month to view Uruguay sunrise and sunset times for the next 12 months. The Uruguay sunrise and sunset times shown below are for Montevideo.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 07:39 18:04
Saturday, 16th August 2025 07:24 18:15
Sunday, 31st August 2025 07:05 18:26

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