Current sea water temperature:
+16.8°C
| Minimum sea water temperature in December: | 18.1°C |
| Maximum sea water temperature in December: | 14.3°C |
| Average sea water temperature in December: | 16.2°C |
| more information | |
14 days
forecast
forecast
| Monte Carlo |
monthly
weather
weather
| Monte Carlo |
Sea water temperature for the last 10 days:
| December 16 | 16.8°C | December 11 | 16.8°C |
| December 15 | 16.7°C | December 10 | 17.0°C |
| December 14 | 16.6°C | December 9 | 16.7°C |
| December 13 | 16.7°C | December 8 | 16.7°C |
| December 12 | 16.9°C | December 7 | 16.8°C |
Monthly sea water temperature, °C
When is the warmest sea in Monte Carlo?
Based on the data about daily sea water temperature for the last three years the warmest sea in Monte Carlo was noticed in August, July and September.
Monthly Sea Temperatures in Monte Carlo, °C
Sea water temperature in August, °C
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 26.2°C. The highest and lowest sea temperatures during the month were 27.0°C and 24.9°C.
Sea water temperature in July, °C
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 26.2°C. The highest and lowest sea temperatures during the month were 28.5°C and 24.9°C.
Sea water temperature in September, °C
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 24.3°C. The highest and lowest sea temperatures during the month were 25.2°C and 22.9°C.
current
weather
weather
| Monte Carlo |
weather in
December
December
| Monte Carlo |
Best time for vacation in Monte Carlo
Monte Carlo on a weather map
24 Hours Forecast
Monte Carlo
Local time: 02:48
December 17, wednesday
0300
12°C
S
2 m/s
2 m/s
0600
12°C
S
1 m/s
1 m/s
0900
12°C
SE
1 m/s
1 m/s
1200
14°C
NE
2 m/s
2 m/s
1500
14°C
N
2 m/s
2 m/s
1800
13°C
S
1 m/s
1 m/s
2100
12°C
S
2 m/s
2 m/s
December 18, thursday
0000
12°C
SW
2 m/s
2 m/s
