Measurements:
°C
°F
Cahuita
80°F
E 9 mph
Feels like: 86°F
Precip: 54%
World Resorts Costa Rica Cahuita Weather

Cahuita Sea Water Temperature

Current Sea Water Temperature:
+88.4°F
Maximum Sea Water Temperature in September: 90.8°F
Minimum Sea Water Temperature in September: 86.8°F
Average water temperature in September: 88.9°F

Sea Water Temperature for the Last 10 Days:

September 07 88.4°F September 02 87.0°F
September 06 88.2°F September 01 86.8°F
September 05 88.8°F August 31 86.4°F
September 04 88.0°F August 30 86.6°F
September 03 87.4°F August 29 87.0°F

When is the Warmest Sea for Cahuita?

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

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 Cahuita was 88.8°F. The maximum and minimum values were 87.6°F and 89.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cahuita was 88.5°F. The maximum and minimum values were 87.6°F and 89.4°F respectively.

Sea Water Temperature in June

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Cahuita was 88.5°F. The maximum and minimum values were 87.2°F and 89.8°F respectively.

Best Time to Visit Cahuita
The most sunny months:
April 4 days
December 3 days
March 3 days
The most warm months:
September 87.1 °F
May 86.9 °F
June 86.4 °F
Warmest sea temperature:
October 89.0 °F
September 89.0 °F
June 88.4 °F
The most cold months:
February 83.2 °F
January 83.4 °F
December 83.5 °F
The most rainy months:
July 15 days
August 13 days
June 12 days
The most windy months:
November 5 mph
October 4 mph
July 4 mph

Cahuita on the Weather Map

24 Hours Weather Forecast
Cahuita
Local time: 03:49
07 sep, monday
0600 80°F
E
7 mph
0900 86°F
SE
6 mph
1200 88°F
S
8 mph
1500 88°F
SE
7 mph
1800 86°F
SE
8 mph
2100 84°F
SE
5 mph
08 sep, tuesday
0000 82°F
E
6 mph
0300 82°F
SE
9 mph