Monte-Carlo weather in August 2025

Expect 77°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Monte-Carlo in August. Check more long-term weather averages for Monte-Carlo in August before you book your next holiday to Monaco in 2025/2026.

  • 77°F maximum daytime temperature in August in Monte-Carlo77
    77°F max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in August in Monte-Carlo7
    7 days with some rainfall
  • 63°F minimum night-time temperature in August in Monte-Carlo63
    63°F min night temperature
  • 14 hours of daylight per day in August in Monte-Carlo14
    14 hours of daylight per day
  • Low heat & humidity in August in Monte-CarloL
    Low heat & humidity
  • 1.8 inches monthly rainfall in August in Monte-Carlo1.8
    1.8 inches of monthly rainfall
  • UV (maximum) index 7 (High) in August in Monte-Carlo7
    7 (High) UV index
  • 75°F sea temperature in August in Monte-Carlo75
    75°F sea temperature

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The August weather guide for Monaco, represented by Monte-Carlo, (Monte-Carlo) 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 Monte-Carlo in August?

Daytime temperatures usually reach 77°F in Monte-Carlo in August with low heat and humidity, falling to 63°F at night.

How sunny is it in Monte-Carlo in August?

There are normally 9 hours of bright sunshine each day in Monte-Carlo in August - that's 65% of daylight hours.

How warm is the sea around Monte-Carlo in August?

The average sea temperature around Monte-Carlo in August is 75°F.

Does it rain in Monte-Carlo in August?

There are usually 7 days with some rain in Monte-Carlo in August and the average monthly rainfall is 1.8 inches.

Monte-Carlo August sunrise & sunset times

Browse the sunrise and sunset times for Monte-Carlo in August 2025. Select a month to view Monte-Carlo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:19 19:53
Saturday, 16th August 2025 05:36 19:32
Sunday, 31st August 2025 05:53 19:07

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