Measurements:
°C
°F
Jaco
88°F
NE 6 mph
Feels like: 94°F
Precip: 0%
World Resorts Costa Rica Jaco Weather

Jaco Sea Water Temperature

Current Sea Water Temperature:
+89.8°F
Maximum Sea Water Temperature in April: 91.4°F
Minimum Sea Water Temperature in April: 87.6°F
Average water temperature in April: 89.6°F

Sea Water Temperature for the Last 10 Days:

April 04 89.8°F March 30 90.8°F
April 03 89.8°F March 29 90.4°F
April 02 90.4°F March 28 90.8°F
April 01 90.8°F March 27 90.2°F
March 31 90.6°F March 26 90.0°F

When is the Warmest Sea for Jaco?

According to our data for the last three years for Jaco 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: 2025 2024 2023

The average sea surface temperature in April 2025 for Jaco was 90.7°F. The maximum and minimum values were 90.0°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 Jaco was 90.0°F. The maximum and minimum values were 88.8°F and 91.0°F respectively.

Sea Water Temperature in May

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Jaco was 89.9°F. The maximum and minimum values were 88.8°F and 90.8°F respectively.

Best Time to Visit Jaco
The most sunny months:
March 12 days
February 11 days
January 8 days
The most warm months:
April 89.1 °F
March 88.9 °F
February 88.4 °F
Warmest sea temperature:
April 89.6 °F
March 89.3 °F
May 89.3 °F
The most cold months:
November 83.9 °F
October 84.7 °F
August 85.2 °F
The most rainy months:
August 24 days
July 22 days
June 22 days
The most windy months:
February 5 mph
March 5 mph
April 4 mph

Jaco on the Weather Map

24 Hours Weather Forecast
Jaco
Local time: 12:31
04 apr, saturday
1500 88°F
N
9 mph
1800 88°F
N
5 mph
2100 86°F
SE
2 mph
05 apr, sunday
0000 84°F
S
4 mph
0300 84°F
S
6 mph
0600 82°F
S
6 mph
0900 88°F
SE
3 mph
1200 88°F
N
6 mph