Measurements:
°C
°F
Willemstad
80°F
NW 7 mph
Feels like: 84°F
Precip: 16%
World Resorts Curacao Willemstad Weather

Willemstad Sea Water Temperature

Current Sea Water Temperature:
+86.0°F
Maximum Sea Water Temperature in July: 88.0°F
Minimum Sea Water Temperature in July: 82.2°F
Average water temperature in July: 85.3°F

Sea Water Temperature for the Last 10 Days:

July 30 86.0°F July 25 85.6°F
July 29 86.0°F July 24 85.2°F
July 28 85.6°F July 23 85.0°F
July 27 85.6°F July 22 84.8°F
July 26 85.2°F July 21 85.4°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 14 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 21 mph
July 20 mph
May 20 mph

Willemstad on the Weather Map

Curacao Resorts:
NAME
Willemstad +80
24 Hours Weather Forecast
Willemstad
Local time: 04:12
30 jul, thursday
0600 78°F
NW
8 mph
0900 86°F
W
15 mph
1200 94°F
W
19 mph
1500 92°F
W
20 mph
1800 86°F
W
19 mph
2100 82°F
W
14 mph
31 jul, friday
0000 80°F
W
14 mph
0300 80°F
W
11 mph