Measurements:
°C
°F
Heredia
66°F
SW 2 mph
Feels like: 66°F
Precip: 80%
World Resorts Costa Rica Heredia Weather

Heredia Sea Water Temperature

Current Sea Water Temperature:
+90.8°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 28 90.8°F September 23 90.6°F
September 27 90.2°F September 22 89.8°F
September 26 90.4°F September 21 89.8°F
September 25 90.6°F September 20 89.8°F
September 24 90.6°F September 19 89.8°F

When is the Warmest Sea for Heredia?

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

Average Water Temperature by Month, °F

Sea Water Temperature in April

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Heredia was 90.4°F. The maximum and minimum values were 89.4°F and 91.4°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Heredia was 90.3°F. The maximum and minimum values were 89.0°F and 91.2°F respectively.

Sea Water Temperature in May

Select Year: 2026 2025 2024

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

Best Time to Visit Heredia
The most sunny months:
January 13 days
February 13 days
March 11 days
The most warm months:
March 83.2 °F
April 82.5 °F
February 81.5 °F
Warmest sea temperature:
April 89.5 °F
March 89.1 °F
May 89.0 °F
The most cold months:
November 76.2 °F
October 76.5 °F
September 77.4 °F
The most rainy months:
October 25 days
June 24 days
September 24 days
The most windy months:
February 6 mph
January 6 mph
March 5 mph

Heredia on the Weather Map

Costa Rica Resorts:
NAME
F°
Alajuela +68
Cahuita +84
El Roble +82
Heredia +66
Jaco +84
Limon +84
Playas del Coco +82
Puerto Limon +84
Puerto Viejo de Talamanca +84
Quepos +82
Samara +78
San Jose +66
Santa Teresa +86
Tamarindo +82
Tortuguero +84
24 Hours Weather Forecast
Heredia
Local time: 17:19
28 sep, monday
1800 66°F
SW
2 mph
2100 64°F
SW
3 mph
29 sep, tuesday
0000 62°F
W
2 mph
0300 60°F
W
2 mph
0600 62°F
W
4 mph
0900 74°F
SW
3 mph
1200 72°F
S
4 mph
1500 70°F
SE
2 mph