17.12
wed
wed
Day

57°F
NE 4 mph
Precip.
0%
0%
Night

54°F
SW 4 mph
Precip.
0%
0%
18.12
thu
thu
Day

57°F
W 2 mph
Precip.
0%
0%
Night

55°F
S 8 mph
Precip.
0%
0%
19.12
fri
fri
Day

54°F
SE 2 mph
Precip.
100%
100%
Night

57°F
S 2 mph
Precip.
87%
87%
20.12
sat
sat
Day

57°F
W 4 mph
Precip.
0%
0%
Night

57°F
SW 6 mph
Precip.
0%
0%
21.12
sun
sun
Day

59°F
W 12 mph
Precip.
100%
100%
Night

55°F
SW 7 mph
Precip.
100%
100%
22.12
mon
mon
Day

55°F
W 7 mph
Precip.
100%
100%
Night

55°F
SW 9 mph
Precip.
100%
100%
23.12
tue
tue
Day

52°F
NE 11 mph
Precip.
100%
100%
Night

52°F
W 4 mph
Precip.
100%
100%
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 62.3°F. The highest and lowest sea temperatures during the month were 63.0°F and 61.9°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: 03:25
December 17, wednesday
0600

54°F
S
3 mph
3 mph
0900

54°F
SE
3 mph
3 mph
1200

57°F
NE
4 mph
4 mph
1500

57°F
N
4 mph
4 mph
1800

55°F
S
2 mph
2 mph
2100

54°F
S
4 mph
4 mph
December 18, thursday
0000

54°F
SW
4 mph
4 mph
0300

54°F
S
5 mph
5 mph

























