World Resorts Costa Rica San Jose Weather

San Jose sea water temperature

Current sea water temperature:
+84.4°F
Minimum sea water temperature in February: 88.0°F
Maximum sea water temperature in February: 82.6°F
Average sea water temperature in February: 84.8°F

Sea water temperature for the last 10 days:

February 4 84.4°F January 30 84.4°F
February 3 84.4°F January 29 84.6°F
February 2 84.6°F January 28 84.6°F
February 1 85.5°F January 27 84.0°F
January 31 84.6°F January 26 84.0°F

When is the warmest sea in San Jose?

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

Monthly Sea Temperatures in San Jose, °F

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 86.8°F. The highest and lowest sea temperatures during the month were 87.8°F and 86.2°F.

Sea water temperature in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 87.1°F and 85.3°F.

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 85.9°F. The highest and lowest sea temperatures during the month were 86.7°F and 85.1°F.

Best time for vacation in San Jose

Sunniest months:
February 14 days
January 12 days
March 12 days
Warmest months:
March 80.0 °F
April 79.3 °F
February 78.7 °F
Warmest sea temp:
April 85.7 °F
March 85.4 °F
May 85.1 °F
Coldest months:
November 73.5 °F
October 73.8 °F
July 74.8 °F
Rainiest months:
October 25 days
June 25 days
September 25 days
Windiest months:
February 6.3 mph
January 6.0 mph
March 5.5 mph

San Jose on a weather map

San Jose
+61°F
SW 5 mph
Feels like: +61°F
Precip.: 100%
Places in Costa Rica:
Name
°F
+61°F
+79°F
+61°F
+73°F
+72°F
+73°F
+73°F
+77°F
+61°F
+77°F
+75°F
+73°F
24 Hours Forecast
San Jose
Local time: 21:48
February 05, thursday
0000
63°F
SW
4 mph
0300
63°F
SW
4 mph
0600
63°F
SW
6 mph
0900
68°F
SW
6 mph
1200
77°F
SW
6 mph
1500
73°F
SW
6 mph
1800
63°F
SW
6 mph
2100
61°F
SW
6 mph
Units of measurement: °C / °F