18.12
thu
thu
Day

88°F
W 14 mph
Precip.
0%
0%
Night

72°F
W 7 mph
Precip.
85%
85%
19.12
fri
fri
Day

88°F
W 12 mph
Precip.
0%
0%
Night

72°F
W 4 mph
Precip.
100%
100%
20.12
sat
sat
Day

86°F
W 12 mph
Precip.
100%
100%
Night

72°F
NW 6 mph
Precip.
0%
0%
21.12
sun
sun
Day

88°F
W 12 mph
Precip.
0%
0%
Night

72°F
NW 5 mph
Precip.
63%
63%
22.12
mon
mon
Day

88°F
W 12 mph
Precip.
58%
58%
Night

72°F
W 5 mph
Precip.
64%
64%
23.12
tue
tue
Day

88°F
W 9 mph
Precip.
0%
0%
Night

72°F
W 4 mph
Precip.
43%
43%
24.12
wed
wed
Day

88°F
W 9 mph
Precip.
51%
51%
Night

72°F
W 5 mph
Precip.
100%
100%
25.12
thu
thu
Day

86°F
W 10 mph
Precip.
49%
49%
Night

72°F
W 6 mph
Precip.
100%
100%
26.12
fri
fri
Day

84°F
W 11 mph
Precip.
100%
100%
Night

72°F
W 5 mph
Precip.
100%
100%
27.12
sat
sat
Day

86°F
W 12 mph
Precip.
79%
79%
Night

72°F
NW 6 mph
Precip.
100%
100%
28.12
sun
sun
Day

84°F
W 12 mph
Precip.
100%
100%
Night

73°F
NW 9 mph
Precip.
76%
76%
29.12
mon
mon
Day

90°F
W 14 mph
Precip.
0%
0%
Night

73°F
W 8 mph
Precip.
70%
70%
30.12
tue
tue
Day

88°F
W 14 mph
Precip.
100%
100%
Night

73°F
W 9 mph
Precip.
100%
100%
31.12
wed
wed
Day

88°F
W 14 mph
Precip.
68%
68%
Night

75°F
W 7 mph
Precip.
80%
80%
sea water
temperature
temperature
| Willemstad |
monthly
weather
weather
| Willemstad |
current
weather
weather
| Willemstad |
7 days
forecast
forecast
| Willemstad |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 82.7°F. The highest and lowest sea temperatures during the month were 82.9°F and 82.4°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 81.9°F. The highest and lowest sea temperatures during the month were 82.6°F and 80.8°F.
Air temperature in Willemstad, °F
Precipitation total in Willemstad, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Willemstad
Willemstad on a weather map
24 Hours Forecast
Willemstad
Local time: 15:52
December 18, thursday
1800

82°F
W
12 mph
12 mph
2100

77°F
W
7 mph
7 mph
December 19, friday
0000

72°F
W
7 mph
7 mph
0300

72°F
NW
5 mph
5 mph
0600

70°F
NW
4 mph
4 mph
0900

79°F
NW
6 mph
6 mph
1200

88°F
W
12 mph
12 mph
1500

88°F
W
13 mph
13 mph

























