31.12
wed
wed
Day
52°F
NE 4 mph
Precip.
0%
0%
Night
48°F
NW 6 mph
Precip.
100%
100%
01.01
thu
thu
Day
48°F
N 2 mph
Precip.
78%
78%
Night
48°F
SE 9 mph
Precip.
0%
0%
02.01
fri
fri
Day
54°F
E 11 mph
Precip.
0%
0%
Night
52°F
E 11 mph
Precip.
0%
0%
03.01
sat
sat
Day
59°F
NE 11 mph
Precip.
0%
0%
Night
55°F
SE 5 mph
Precip.
0%
0%
04.01
sun
sun
Day
48°F
SW 5 mph
Precip.
0%
0%
Night
46°F
NW 9 mph
Precip.
26%
26%
05.01
mon
mon
Day
48°F
NW 4 mph
Precip.
0%
0%
Night
45°F
S 4 mph
Precip.
0%
0%
06.01
tue
tue
Day
46°F
E 3 mph
Precip.
0%
0%
Night
45°F
NE 6 mph
Precip.
29%
29%
sea water
temperature
temperature
| Monte Carlo |
monthly
weather
weather
| Monte Carlo |
current
weather
weather
| Monte Carlo |
14 days
forecast
forecast
| Monte Carlo |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 61.9°F. The highest and lowest sea temperatures during the month were 63.0°F and 60.4°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 58.5°F. The highest and lowest sea temperatures during the month were 59.7°F and 57.6°F.
Air temperature in Monte Carlo, °F
Precipitation total in Monte Carlo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Monte Carlo
Monte Carlo on a weather map
24 Hours Forecast
Monte Carlo
Local time: 16:06
December 31, wednesday
1800
50°F
NE
4 mph
4 mph
2100
50°F
N
2 mph
2 mph
January 01, thursday
0000
48°F
NW
6 mph
6 mph
0300
48°F
W
4 mph
4 mph
0600
46°F
W
3 mph
3 mph
0900
46°F
W
1 mph
1 mph
1200
48°F
N
2 mph
2 mph
1500
52°F
NE
9 mph
9 mph
