Measurements:
°C
°F
Tamarindo
94°F
SW 11 mph
Feels like: 100°F
Precip: 0%
World Resorts Costa Rica Tamarindo Weather

Tamarindo Sea Water Temperature

Current Sea Water Temperature:
+87.2°F
Maximum Sea Water Temperature in March: 89.6°F
Minimum Sea Water Temperature in March: 82.6°F
Average water temperature in March: 86.4°F

Sea Water Temperature for the Last 10 Days:

March 10 87.2°F March 05 83.8°F
March 09 86.8°F March 04 82.8°F
March 08 85.4°F March 03 82.8°F
March 07 85.8°F March 02 84.4°F
March 06 84.8°F March 01 84.4°F

When is the Warmest Sea for Tamarindo?

According to our data for the last three years for Tamarindo the highest average sea water temperature was in May, June and April.

Average Water Temperature by Month, °F

Sea Water Temperature in May

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Tamarindo was 89.3°F. The maximum and minimum values were 88.4°F and 90.2°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Tamarindo was 88.9°F. The maximum and minimum values were 88.0°F and 89.6°F respectively.

Sea Water Temperature in April

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Tamarindo was 89.0°F. The maximum and minimum values were 87.6°F and 90.4°F respectively.

Best Time to Visit Tamarindo
The most sunny months:
January 27 days
March 27 days
February 26 days
The most warm months:
April 93.1 °F
March 93.1 °F
February 91.8 °F
Warmest sea temperature:
May 89.0 °F
June 88.3 °F
April 88.1 °F
The most cold months:
November 84.6 °F
October 84.8 °F
September 85.8 °F
The most rainy months:
June 14 days
September 12 days
August 12 days
The most windy months:
February 9 mph
January 8 mph
March 7 mph

Tamarindo on the Weather Map

Costa Rica Resorts:
NAME
Alajuela +80
Cahuita +84
Cartago +72
Heredia +78
Jaco +88
Limon +84
Playa Flamingo +94
Playas del Coco +94
Puerto Limon +84
Quepos +90
Samara +92
San Jose +78
Santa Teresa +88
Tamarindo +94
Tortuguero +86
24 Hours Weather Forecast
Tamarindo
Local time: 16:15
10 mar, tuesday
1800 90°F
SW
11 mph
2100 82°F
W
11 mph
11 mar, wednesday
0000 80°F
W
11 mph
0300 78°F
W
9 mph
0600 78°F
W
6 mph
0900 86°F
SW
6 mph
1200 92°F
S
6 mph
1500 92°F
NE
9 mph