World Resorts Costa Rica Jaco Weather

Jaco sea water temperature

Current sea water temperature:
+86.4°F
Minimum sea water temperature in May: 87.8°F
Maximum sea water temperature in May: 83.3°F
Average sea water temperature in May: 85.4°F

Sea water temperature for the last 10 days:

May 17 86.4°F May 12 86.2°F
May 16 87.3°F May 11 86.4°F
May 15 86.5°F May 10 86.4°F
May 14 86.4°F May 9 86.0°F
May 13 86.7°F May 8 85.8°F

When is the warmest sea in Jaco?

Based on the data about daily sea water temperature for the last three years the warmest sea in Jaco was noticed in April, May and March.

Monthly Sea Temperatures in Jaco, °F

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 86.2°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.9°F.

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.8°F.

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 86.0°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.9°F.

Best time for vacation in Jaco

Sunniest months:
March 12 days
February 11 days
January 8 days
Warmest months:
April 85.1 °F
March 85.0 °F
February 84.5 °F
Warmest sea temp:
April 85.7 °F
March 85.4 °F
May 85.4 °F
Coldest months:
November 80.5 °F
October 81.2 °F
August 81.7 °F
Rainiest months:
August 24 days
July 22 days
June 22 days
Windiest months:
February 5.3 mph
March 5.2 mph
April 4.9 mph

Jaco on a weather map

Jaco
+84°F
N 7 mph
Feels like: +91°F
Precip.: 100%
Places in Costa Rica:
Name
°F
+79°F
+84°F
+82°F
+84°F
+82°F
+82°F
+84°F
+75°F
+88°F
+82°F
+90°F
+77°F
24 Hours Forecast
Jaco
Local time: 15:49
May 17, sunday
1800
82°F
N
3 mph
2100
82°F
W
2 mph
May 18, monday
0000
81°F
SW
2 mph
0300
81°F
S
4 mph
0600
81°F
SW
4 mph
0900
84°F
SE
1 mph
1200
86°F
N
7 mph
1500
86°F
N
8 mph
Units of measurement: °C / °F