Current sea water temperature:
+83.7°F
| Minimum sea water temperature in December: | 86.4°F |
| Maximum sea water temperature in December: | 80.6°F |
| Average sea water temperature in December: | 83.0°F |
| more information | |
14 days
forecast
forecast
| Alajuela |
monthly
weather
weather
| Alajuela |
Sea water temperature for the last 10 days:
| December 28 | 83.7°F | December 23 | 82.9°F |
| December 27 | 83.5°F | December 22 | 82.9°F |
| December 26 | 83.7°F | December 21 | 83.3°F |
| December 25 | 83.5°F | December 20 | 83.5°F |
| December 24 | 83.8°F | December 19 | 82.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Alajuela?
Based on the data about daily sea water temperature for the last three years the warmest sea in Alajuela was noticed in April, May and March.
Monthly Sea Temperatures in Alajuela, °F
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 86.5°F. The highest and lowest sea temperatures during the month were 87.1°F and 85.8°F.
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.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 86.4°F and 84.6°F.
current
weather
weather
| Alajuela |
weather in
January
January
| Alajuela |
Best time for vacation in Alajuela
Alajuela on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Alajuela
Local time: 07:32
December 28, sunday
0900
75°F
SW
4 mph
4 mph
1200
84°F
SW
3 mph
3 mph
1500
73°F
E
1 mph
1 mph
1800
66°F
SW
2 mph
2 mph
2100
63°F
SW
4 mph
4 mph
December 29, monday
0000
59°F
SW
4 mph
4 mph
0300
55°F
SW
5 mph
5 mph
0600
55°F
SW
5 mph
5 mph
