Measurements:
°C
°F
Santa Teresa
82°F
S 6 mph
Feels like: 88°F
Precip: 9%
World Resorts Costa Rica Santa Teresa Weather

Santa Teresa Sea Water Temperature

Current Sea Water Temperature:
+90.6°F
Maximum Sea Water Temperature in August: 91.6°F
Minimum Sea Water Temperature in August: 86.2°F
Average water temperature in August: 88.2°F

Sea Water Temperature for the Last 10 Days:

August 10 90.6°F August 05 90.8°F
August 09 90.6°F August 04 90.8°F
August 08 91.2°F August 03 90.8°F
August 07 90.4°F August 02 90.6°F
August 06 90.8°F August 01 90.4°F

When is the Warmest Sea for Santa Teresa?

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

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 Santa Teresa was 90.4°F. The maximum and minimum values were 89.6°F and 91.6°F respectively.

Sea Water Temperature in April

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Santa Teresa was 89.7°F. The maximum and minimum values were 88.8°F and 90.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Santa Teresa was 90.4°F. The maximum and minimum values were 89.6°F and 91.6°F respectively.

Best Time to Visit Santa Teresa
The most sunny months:
February 23 days
March 21 days
January 20 days
The most warm months:
March 91.4 °F
February 91.3 °F
April 90.8 °F
Warmest sea temperature:
May 89.4 °F
April 89.0 °F
July 88.5 °F
The most cold months:
November 84.5 °F
October 84.9 °F
August 85.6 °F
The most rainy months:
August 15 days
June 14 days
October 13 days
The most windy months:
February 7 mph
March 6 mph
January 6 mph

Santa Teresa on the Weather Map

24 Hours Weather Forecast
Santa Teresa
Local time: 02:46
10 aug, monday
0300 82°F
S
6 mph
0600 82°F
S
6 mph
0900 86°F
SW
5 mph
1200 90°F
NW
3 mph
1500 90°F
NE
8 mph
1800 86°F
E
5 mph
2100 86°F
E
2 mph
11 aug, tuesday
0000 84°F
S
2 mph