30.12
tue
tue
Day
81°F
SW 7 mph
Precip.
100%
100%
Night
57°F
SW 6 mph
Precip.
71%
71%
31.12
wed
wed
Day
72°F
SW 7 mph
Precip.
77%
77%
Night
59°F
SW 5 mph
Precip.
100%
100%
01.01
thu
thu
Day
72°F
SW 6 mph
Precip.
66%
66%
Night
61°F
SW 4 mph
Precip.
80%
80%
02.01
fri
fri
Day
77°F
SW 6 mph
Precip.
100%
100%
Night
57°F
SW 4 mph
Precip.
80%
80%
03.01
sat
sat
Day
77°F
SE 2 mph
Precip.
100%
100%
Night
55°F
SW 4 mph
Precip.
0%
0%
04.01
sun
sun
Day
84°F
SW 2 mph
Precip.
80%
80%
Night
55°F
SW 5 mph
Precip.
0%
0%
05.01
mon
mon
Day
73°F
SW 7 mph
Precip.
100%
100%
Night
66°F
SW 4 mph
Precip.
100%
100%
06.01
tue
tue
Day
75°F
SW 6 mph
Precip.
74%
74%
Night
57°F
SW 5 mph
Precip.
63%
63%
07.01
wed
wed
Day
77°F
SW 6 mph
Precip.
73%
73%
Night
54°F
SW 5 mph
Precip.
0%
0%
08.01
thu
thu
Day
81°F
SW 2 mph
Precip.
68%
68%
Night
54°F
SW 5 mph
Precip.
82%
82%
09.01
fri
fri
Day
77°F
SW 6 mph
Precip.
75%
75%
Night
54°F
SW 5 mph
Precip.
0%
0%
10.01
sat
sat
Day
82°F
SW 5 mph
Precip.
0%
0%
Night
57°F
SW 5 mph
Precip.
0%
0%
11.01
sun
sun
Day
77°F
W 4 mph
Precip.
100%
100%
Night
57°F
SW 4 mph
Precip.
0%
0%
12.01
mon
mon
Day
73°F
SE 1 mph
Precip.
100%
100%
Night
57°F
SW 4 mph
Precip.
0%
0%
sea water
temperature
temperature
| Alajuela |
monthly
weather
weather
| Alajuela |
current
weather
weather
| Alajuela |
7 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 83.1°F. The highest and lowest sea temperatures during the month were 83.8°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: 14:07
December 30, tuesday
1500
77°F
SW
3 mph
3 mph
1800
63°F
SW
6 mph
6 mph
2100
57°F
SW
6 mph
6 mph
December 31, wednesday
0000
57°F
SW
6 mph
6 mph
0300
57°F
SW
6 mph
6 mph
0600
59°F
SW
5 mph
5 mph
0900
64°F
SW
6 mph
6 mph
1200
72°F
SW
7 mph
7 mph
