Measurements:
°C
°F
Santa Teresa
80°F
NW 12 mph
Feels like: 86°F
Precip: 80%
World Resorts Costa Rica Santa Teresa Weather

Santa Teresa Sea Water Temperature

Current Sea Water Temperature:
+91.0°F
Maximum Sea Water Temperature in September: 91.6°F
Minimum Sea Water Temperature in September: 85.6°F
Average water temperature in September: 87.6°F

Sea Water Temperature for the Last 10 Days:

September 07 91.0°F September 02 91.0°F
September 06 91.0°F September 01 91.6°F
September 05 90.8°F August 31 91.2°F
September 04 91.6°F August 30 90.8°F
September 03 90.8°F August 29 90.8°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
September 85.6 °F
The most rainy months:
August 14 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: 03:50
07 sep, monday
0600 82°F
NW
11 mph
0900 84°F
NW
6 mph
1200 84°F
NW
6 mph
1500 84°F
N
5 mph
1800 86°F
E
1 mph
2100 84°F
SE
2 mph
08 sep, tuesday
0000 84°F
SE
4 mph
0300 84°F
SE
6 mph