Measurements:
°C
°F
Willemstad
74°F
W 5 mph
Feels like: 80°F
Precip: 79%
World Resorts Curacao Willemstad Weather

Willemstad Sea Water Temperature

Current Sea Water Temperature:
+83.6°F
Maximum Sea Water Temperature in March: 85.8°F
Minimum Sea Water Temperature in March: 80.4°F
Average water temperature in March: 83.1°F

Sea Water Temperature for the Last 10 Days:

March 30 83.6°F March 25 83.0°F
March 29 83.2°F March 24 83.2°F
March 28 83.2°F March 23 83.4°F
March 27 83.4°F March 22 83.0°F
March 26 83.4°F March 21 83.0°F

When is the Warmest Sea for Willemstad?

According to our data for the last three years for Willemstad the highest average sea water temperature was in October, September and November.

Average Water Temperature by Month, °F

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Willemstad was 89.3°F. The maximum and minimum values were 88.0°F and 90.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Willemstad was 88.5°F. The maximum and minimum values were 87.4°F and 89.6°F respectively.

Sea Water Temperature in November

Select Year: 2025 2024 2023

The average sea surface temperature in November 2025 for Willemstad was 87.1°F. The maximum and minimum values were 85.6°F and 88.4°F respectively.

Best Time to Visit Willemstad
The most sunny months:
August 18 days
September 18 days
July 15 days
The most warm months:
September 91.7 °F
October 90.9 °F
August 90.8 °F
Warmest sea temperature:
October 88.2 °F
September 88.0 °F
November 87.5 °F
The most cold months:
February 85.1 °F
March 85.5 °F
January 85.8 °F
The most rainy months:
November 9 days
December 7 days
October 7 days
The most windy months:
June 22 mph
July 21 mph
May 21 mph

Willemstad on the Weather Map

Curacao Resorts:
NAME
Willemstad +74
24 Hours Weather Forecast
Willemstad
Local time: 04:24
30 mar, monday
0600 74°F
NW
4 mph
0900 82°F
W
9 mph
1200 88°F
W
12 mph
1500 88°F
W
14 mph
1800 82°F
W
12 mph
2100 78°F
W
9 mph
31 mar, tuesday
0000 76°F
W
5 mph
0300 76°F
NW
5 mph