06.10
tue
tue
Day

77°F
NE 3 mph
Precip.
82%
82%
Night

64°F
SW 2 mph
Precip.
59%
59%
07.10
wed
wed
Day

79°F
NE 3 mph
Precip.
60%
60%
Night

64°F
W 2 mph
Precip.
60%
60%
08.10
thu
thu
Day

77°F
NE 4 mph
Precip.
44%
44%
Night

68°F
S 1 mph
Precip.
55%
55%
09.10
fri
fri
Day

75°F
E 2 mph
Precip.
73%
73%
Night

64°F
SW 3 mph
Precip.
33%
33%
10.10
sat
sat
Day

79°F
NE 5 mph
Precip.
62%
62%
Night

64°F
SW 2 mph
Precip.
82%
82%
11.10
sun
sun
Day

73°F
E 3 mph
Precip.
74%
74%
Night

64°F
SW 2 mph
Precip.
59%
59%
12.10
mon
mon
Day

72°F
NE 2 mph
Precip.
74%
74%
Night

64°F
SW 2 mph
Precip.
47%
47%
sea water
temperature
temperature
| Alajuela |
monthly
weather
weather
| Alajuela |
current
weather
weather
| Alajuela |
14 days
forecast
forecast
| Alajuela |
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 82.8°F. The highest and lowest sea temperatures during the month were 83.7°F and 81.9°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: 12:20
October 06, tuesday
1500

75°F
E
4 mph
4 mph
1800

66°F
SW
2 mph
2 mph
2100

66°F
SW
1 mph
1 mph
October 07, wednesday
0000

64°F
SW
2 mph
2 mph
0300

64°F
SW
2 mph
2 mph
0600

64°F
SW
3 mph
3 mph
0900

72°F
S
2 mph
2 mph
1200

79°F
NE
3 mph
3 mph


























