Monte-Carlo Weather in August
What's the weather like in Monte-Carlo (Monaco) in August 2025?
The climate in Monte-Carlo during August can be summarized as warm, humid and reasonably dry.
August is in the summer in Monte-Carlo and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 24.8°C 76.6°F |
|---|---|
| Nightly temperature | 17.3°C 63.1°F |
| Average temperature | 21°C 69.8°F |
| Daily sunshine | 9.9 hrs |
| Avg rainfall | 46 mm 1.8 ins |
| Rainy days | 7 days |
| Sea temperature | 23.9°C 75°F |
| Humidity | 73% |
| Windspeed | 11.5kph 7 mph |
On average August is the 2nd driest month of the year in Monte-Carlo with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.9 hours of sunshine per day.
August temperatures in Monte-Carlo
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Monte-Carlo in August 2025.
Other monthly averages
Best places to visit in August
Monte-Carlo weather stats
| Hottest month: | July | 24.5°C 76.1°F |
|---|---|---|
| Driest month: | July | 23mm 0.9ins |
| Sunniest month: | July | 10.9hrs |
| Coldest month: | January | 9.4°C 48.9°F |
| Wettest month: | October | 102mm 4ins |
© Google