Current sea water temperature:
+61.9°F
| Minimum sea water temperature in December: | 64.6°F |
| Maximum sea water temperature in December: | 57.7°F |
| Average sea water temperature in December: | 61.2°F |
| more information | |
14 days
forecast
forecast
| Monte Carlo |
monthly
weather
weather
| Monte Carlo |
Sea water temperature for the last 10 days:
| December 14 | 61.9°F | December 9 | 62.1°F |
| December 13 | 62.1°F | December 8 | 62.1°F |
| December 12 | 62.4°F | December 7 | 62.2°F |
| December 11 | 62.2°F | December 6 | 62.1°F |
| December 10 | 62.6°F | December 5 | 62.2°F |
Monthly sea water temperature, °F
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, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.1°F. The highest and lowest sea temperatures during the month were 80.6°F and 76.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 79.1°F. The highest and lowest sea temperatures during the month were 83.3°F and 76.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 75.7°F. The highest and lowest sea temperatures during the month were 77.4°F and 73.2°F.
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: 07:38
December 15, monday
0900
55°F
SW
8 mph
8 mph
1200
57°F
W
10 mph
10 mph
1500
59°F
W
14 mph
14 mph
1800
57°F
SW
13 mph
13 mph
2100
57°F
W
11 mph
11 mph
December 16, tuesday
0000
55°F
SW
14 mph
14 mph
0300
54°F
S
12 mph
12 mph
0600
54°F
SW
14 mph
14 mph
