23.12
tue
tue
Day
81°F
SW 6 mph
Precip.
66%
66%
Night
54°F
SW 5 mph
Precip.
0%
0%
24.12
wed
wed
Day
82°F
SW 7 mph
Precip.
0%
0%
Night
54°F
SW 5 mph
Precip.
0%
0%
25.12
thu
thu
Day
82°F
SW 6 mph
Precip.
78%
78%
Night
54°F
SW 5 mph
Precip.
0%
0%
26.12
fri
fri
Day
82°F
SE 1 mph
Precip.
72%
72%
Night
52°F
SW 5 mph
Precip.
0%
0%
27.12
sat
sat
Day
82°F
E 1 mph
Precip.
68%
68%
Night
52°F
SW 5 mph
Precip.
0%
0%
28.12
sun
sun
Day
84°F
SW 2 mph
Precip.
82%
82%
Night
61°F
SW 5 mph
Precip.
0%
0%
29.12
mon
mon
Day
81°F
SW 3 mph
Precip.
72%
72%
Night
59°F
SW 5 mph
Precip.
0%
0%
sea water
temperature
temperature
| Alajuela |
monthly
weather
weather
| Alajuela |
current
weather
weather
| Alajuela |
14 days
forecast
forecast
| Alajuela |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 82.9°F. The highest and lowest sea temperatures during the month were 83.5°F and 82.4°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 84.9°F and 82.2°F.
Air temperature in Alajuela, °F
Precipitation total in Alajuela, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Alajuela
Alajuela on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Alajuela
Local time: 17:17
December 23, tuesday
1800
59°F
SW
5 mph
5 mph
2100
55°F
SW
6 mph
6 mph
December 24, wednesday
0000
54°F
SW
5 mph
5 mph
0300
54°F
SW
6 mph
6 mph
0600
54°F
SW
6 mph
6 mph
0900
73°F
SW
6 mph
6 mph
1200
82°F
SW
7 mph
7 mph
1500
79°F
SW
6 mph
6 mph
