Measurements:
°C
°F
Monte Carlo
48°F
SE 6 mph
Feels like: 44°F
Precip: 0%
World Resorts Monaco Monte Carlo Weather

Monte Carlo Sea Water Temperature

Current Sea Water Temperature:
+60.6°F
Maximum Sea Water Temperature in January: 62.4°F
Minimum Sea Water Temperature in January: 56.0°F
Average water temperature in January: 59.1°F

Sea Water Temperature for the Last 10 Days:

January 09 60.6°F January 04 61.2°F
January 08 60.6°F January 03 61.2°F
January 07 60.6°F January 02 61.2°F
January 06 60.8°F January 01 61.4°F
January 05 60.8°F December 31 61.6°F

When is the Warmest Sea for Monte Carlo?

According to our data for the last three years for Monte Carlo the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Monte Carlo was 82.3°F. The maximum and minimum values were 79.8°F and 84.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Monte Carlo was 82.3°F. The maximum and minimum values were 79.8°F and 87.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Monte Carlo was 78.6°F. The maximum and minimum values were 75.8°F and 80.4°F respectively.

Best Time to Visit Monte Carlo
The most sunny months:
July 27 days
August 26 days
June 24 days
The most warm months:
August 84.3 °F
July 83.5 °F
June 77.7 °F
Warmest sea temperature:
August 81.8 °F
July 80.4 °F
September 77.8 °F
The most cold months:
January 52.4 °F
February 53.3 °F
December 55.1 °F
The most rainy months:
November 4 days
March 3 days
January 3 days
The most windy months:
March 7 mph
April 7 mph
November 7 mph

Monte Carlo on the Weather Map

Monaco Resorts:
NAME
Fontvielle +48
La Condamine +48
Monaco +48
Monte Carlo +48
24 Hours Weather Forecast
Monte Carlo
Local time: 03:26
10 jan, saturday
0600 46°F
S
8 mph
0900 46°F
SE
11 mph
1200 52°F
SE
7 mph
1500 54°F
E
6 mph
1800 50°F
S
10 mph
2100 48°F
S
11 mph
11 jan, sunday
0000 46°F
S
10 mph
0300 46°F
S
10 mph