Measurements:
°C
°F
Tamarindo
88°F
W 7 mph
Feels like: 94°F
Precip: 0%
World Resorts Costa Rica Tamarindo Weather

Tamarindo Sea Water Temperature

Current Sea Water Temperature:
+90.0°F
Maximum Sea Water Temperature in May: 91.8°F
Minimum Sea Water Temperature in May: 86.8°F
Average water temperature in May: 89.0°F

Sea Water Temperature for the Last 10 Days:

May 08 90.0°F May 03 89.0°F
May 07 90.0°F May 02 89.2°F
May 06 89.8°F May 01 89.6°F
May 05 89.8°F April 30 89.4°F
May 04 90.2°F April 29 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: 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: 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 89.0 °F
June 88.3 °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 +66
Cahuita +84
El Roble +86
Heredia +64
Jaco +86
Limon +84
Playa Flamingo +88
Playas del Coco +88
Puerto Limon +84
Puerto Viejo de Talamanca +82
Quepos +80
Samara +86
San Jose +64
Tamarindo +88
Tortuguero +82
24 Hours Weather Forecast
Tamarindo
Local time: 20:30
08 may, friday
2100 88°F
W
7 mph
09 may, saturday
0000 84°F
W
6 mph
0300 82°F
W
5 mph
0600 82°F
SW
3 mph
0900 90°F
SW
2 mph
1200 96°F
SE
2 mph
1500 94°F
NE
6 mph
1800 92°F
N
2 mph