Measurements:
°C
°F
Tamarindo
86°F
W 4 mph
Feels like: 92°F
Precip: 9%
World Resorts Costa Rica Tamarindo Weather

Tamarindo Sea Water Temperature

Current Sea Water Temperature:
+89.2°F
Maximum Sea Water Temperature in June: 91.0°F
Minimum Sea Water Temperature in June: 85.4°F
Average water temperature in June: 88.5°F

Sea Water Temperature for the Last 10 Days:

June 21 89.2°F June 16 89.8°F
June 20 89.4°F June 15 89.8°F
June 19 89.6°F June 14 89.4°F
June 18 89.2°F June 13 90.8°F
June 17 89.2°F June 12 89.0°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: 2026 2025 2024

The average sea surface temperature in May 2026 for Tamarindo was 90.1°F. The maximum and minimum values were 88.8°F and 91.0°F respectively.

Sea Water Temperature in June

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Tamarindo was 89.8°F. The maximum and minimum values were 88.6°F and 91.0°F respectively.

Sea Water Temperature in April

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Tamarindo was 88.8°F. The maximum and minimum values were 86.8°F and 90.4°F respectively.

Best Time to Visit Tamarindo
The most sunny months:
March 28 days
January 27 days
February 26 days
The most warm months:
April 93.2 °F
March 93.0 °F
February 91.8 °F
Warmest sea temperature:
May 89.1 °F
June 88.6 °F
April 88.2 °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 +86
El Roble +88
Heredia +80
Jaco +86
Limon +86
Playa Flamingo +86
Playas del Coco +86
Puerto Limon +86
Puerto Viejo de Talamanca +86
Quepos +88
Samara +88
San Jose +78
Tamarindo +86
Tortuguero +88
24 Hours Weather Forecast
Tamarindo
Local time: 08:32
21 jun, sunday
0900 86°F
W
4 mph
1200 88°F
E
6 mph
1500 86°F
E
7 mph
1800 84°F
NE
4 mph
2100 82°F
N
2 mph
22 jun, monday
0000 82°F
NW
2 mph
0300 80°F
W
2 mph
0600 80°F
W
3 mph