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: | 89.1°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 29 | 90.0°F | May 24 | 90.2°F |
| May 28 | 90.6°F | May 23 | 90.0°F |
| May 27 | 90.8°F | May 22 | 90.0°F |
| May 26 | 90.6°F | May 21 | 90.2°F |
| May 25 | 90.4°F | May 20 | 90.4°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
The average sea surface temperature in May 2026 for Tamarindo was 90.0°F. The maximum and minimum values were 88.8°F and 91.0°F respectively.
Sea Water Temperature in June
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
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.
Costa Rica Resorts:
NAME
F°
| Alajuela | ![]() |
+74 |
| Cahuita | ![]() |
+84 |
| El Roble | ![]() |
+90 |
| Heredia | ![]() |
+72 |
| Jaco | ![]() |
+86 |
| Limon | ![]() |
+84 |
| Playa Flamingo | ![]() |
+86 |
| Playas del Coco | ![]() |
+86 |
| Puerto Limon | ![]() |
+84 |
| Puerto Viejo de Talamanca | ![]() |
+84 |
| Quepos | ![]() |
+86 |
| Samara | ![]() |
+84 |
| San Jose | ![]() |
+80 |
| Tamarindo | ![]() |
+90 |
| Tortuguero | ![]() |
+78 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Tamarindo
Local time: 09:01
29 may, friday
| 1200 | ![]() |
92°F | E 7 mph |
| 1500 | ![]() |
88°F | NE 9 mph |
| 1800 | ![]() |
84°F | NW 6 mph |
| 2100 | ![]() |
80°F | W 12 mph |
30 may, saturday
| 0000 | ![]() |
80°F | W 6 mph |
| 0300 | ![]() |
80°F | W 2 mph |
| 0600 | ![]() |
80°F | W 3 mph |
| 0900 | ![]() |
86°F | W 1 mph |


































