World Resorts Costa Rica Alajuela Weather

Alajuela Sea Temperature in May

Average sea water temperature in May:
+85.0°F
Minimum sea water temperature in May: 87.4°F
Maximum sea water temperature in May: 82.8°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 85.8°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.9°F.

Monthly sea water temperature in Alajuela, °F

Which Costa Rica resorts have warmest sea in May?

Place name May 2025 May 2024
Santa Teresa 86.2°F 85.6°F
Jaco 85.9°F 85.6°F
San Jose 85.9°F 85.8°F
Cartago 85.8°F 85.8°F
Samara 85.8°F 85.6°F
Alajuela 85.8°F 85.6°F
Heredia 85.8°F 85.7°F
El Roble 85.8°F 85.7°F
Quepos 85.7°F 85.8°F
Playas del Coco 85.4°F 85.9°F
Tamarindo 85.3°F 85.5°F
Playa Flamingo 85.1°F 85.7°F
Tortuguero 84.3°F 86.1°F
Limon 84.1°F 86.2°F
Puerto Limon 84.1°F 86.2°F
Cahuita 84.1°F 85.9°F
Puerto Viejo de Talamanca 84.0°F 85.9°F

Best time for vacation in Alajuela

Sunniest months:
February 17 days
January 16 days
March 16 days
Warmest months:
March 83.6 °F
April 82.8 °F
February 82.3 °F
Warmest sea temp:
April 85.2 °F
May 85.0 °F
March 84.7 °F
Coldest months:
October 75.8 °F
November 76.0 °F
September 77.0 °F
Rainiest months:
October 25 days
June 25 days
September 25 days
Windiest months:
February 6.7 mph
January 6.3 mph
March 5.8 mph

Alajuela on a weather map

Alajuela
+54°F
SW 5 mph
Feels like: +54°F
Precip.: 0%
Places in Costa Rica:
Name
°F
+54°F
+75°F
+73°F
+68°F
+73°F
+73°F
+73°F
+54°F
+77°F
+73°F
+72°F
+55°F
24 Hours Forecast
Alajuela
Local time: 02:42
December 05, friday
0300
54°F
SW
5 mph
0600
54°F
SW
4 mph
0900
73°F
S
2 mph
1200
82°F
E
2 mph
1500
75°F
E
2 mph
1800
59°F
SW
2 mph
2100
55°F
SW
4 mph
December 06, saturday
0000
57°F
SW
4 mph
Units of measurement: °C / °F