19.05
tue
tue
Day

63°F
NE 11 mph
Precip.
0%
0%
Night

61°F
SW 6 mph
Precip.
0%
0%
20.05
wed
wed
Day

63°F
N 4 mph
Precip.
0%
0%
Night

63°F
S 1 mph
Precip.
0%
0%
21.05
thu
thu
Day

66°F
NW 3 mph
Precip.
0%
0%
Night

64°F
SE 4 mph
Precip.
0%
0%
22.05
fri
fri
Day

68°F
NW 3 mph
Precip.
0%
0%
Night

64°F
SE 2 mph
Precip.
0%
0%
23.05
sat
sat
Day

68°F
NW 3 mph
Precip.
0%
0%
Night

66°F
NE 3 mph
Precip.
0%
0%
24.05
sun
sun
Day

68°F
N 2 mph
Precip.
0%
0%
Night

66°F
S 7 mph
Precip.
0%
0%
25.05
mon
mon
Day

70°F
W 1 mph
Precip.
0%
0%
Night

70°F
NE 5 mph
Precip.
0%
0%
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 May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 63.8°F. The highest and lowest sea temperatures during the month were 65.5°F and 61.3°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 75.3°F. The highest and lowest sea temperatures during the month were 81.7°F and 70.5°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: 04:21
May 19, tuesday
0600

57°F
SE
4 mph
4 mph
0900

61°F
E
4 mph
4 mph
1200

63°F
NE
11 mph
11 mph
1500

64°F
N
9 mph
9 mph
1800

63°F
N
5 mph
5 mph
2100

63°F
W
4 mph
4 mph
May 20, wednesday
0000

61°F
SW
6 mph
6 mph
0300

61°F
SW
3 mph
3 mph

























