Current sea water temperature:
+82.4°F
| Minimum sea water temperature in December: | 85.6°F |
| Maximum sea water temperature in December: | 79.3°F |
| Average sea water temperature in December: | 82.2°F |
| more information | |
14 days
forecast
forecast
| Willemstad |
monthly
weather
weather
| Willemstad |
Sea water temperature for the last 10 days:
| December 18 | 82.4°F | December 13 | 82.9°F |
| December 17 | 82.4°F | December 12 | 82.9°F |
| December 16 | 82.4°F | December 11 | 82.9°F |
| December 15 | 82.8°F | December 10 | 82.9°F |
| December 14 | 82.8°F | December 9 | 82.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Willemstad?
Based on the data about daily sea water temperature for the last three years the warmest sea in Willemstad was noticed in October, September and November.
Monthly Sea Temperatures in Willemstad, °F
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.7°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 84.6°F and 82.0°F.
current
weather
weather
| Willemstad |
weather in
December
December
| Willemstad |
Best time for vacation in Willemstad
Willemstad on a weather map
24 Hours Forecast
Willemstad
Local time: 05:24
December 18, thursday
0600
72°F
NW
6 mph
6 mph
0900
81°F
W
9 mph
9 mph
1200
88°F
W
14 mph
14 mph
1500
88°F
W
16 mph
16 mph
1800
82°F
W
12 mph
12 mph
2100
77°F
W
8 mph
8 mph
December 19, friday
0000
72°F
W
8 mph
8 mph
0300
72°F
W
6 mph
6 mph
