27.04
mon
mon
Day
86°F
E 3 mph
Precip.
72%
72%
Night
61°F
SW 3 mph
Precip.
0%
0%
28.04
tue
tue
Day
84°F
E 4 mph
Precip.
73%
73%
Night
59°F
SW 4 mph
Precip.
0%
0%
29.04
wed
wed
Day
86°F
E 1 mph
Precip.
0%
0%
Night
61°F
SW 4 mph
Precip.
0%
0%
30.04
thu
thu
Day
86°F
E 2 mph
Precip.
77%
77%
Night
61°F
SW 4 mph
Precip.
0%
0%
01.05
fri
fri
Day
79°F
E 2 mph
Precip.
100%
100%
Night
63°F
SW 2 mph
Precip.
0%
0%
02.05
sat
sat
Day
79°F
E 3 mph
Precip.
100%
100%
Night
64°F
SW 2 mph
Precip.
0%
0%
03.05
sun
sun
Day
81°F
SE 2 mph
Precip.
100%
100%
Night
63°F
SW 2 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 April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 86.0°F. The highest and lowest sea temperatures during the month were 86.5°F and 84.9°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.
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: 08:14
April 27, monday
0900
81°F
SE
0 mph
0 mph
1200
86°F
E
3 mph
3 mph
1500
77°F
NE
2 mph
2 mph
1800
66°F
SE
1 mph
1 mph
2100
64°F
SW
3 mph
3 mph
April 28, tuesday
0000
61°F
SW
3 mph
3 mph
0300
61°F
SW
4 mph
4 mph
0600
61°F
SW
4 mph
4 mph
