World Resorts Costa Rica Alajuela Weather

Alajuela 7 Days Forecast

06.10
tue
Day
77°F
NE 3 mph
Precip.
82%
Night
64°F
SW 2 mph
Precip.
59%
07.10
wed
Day
79°F
NE 3 mph
Precip.
60%
Night
64°F
W 2 mph
Precip.
60%
08.10
thu
Day
77°F
NE 4 mph
Precip.
44%
Night
68°F
S 1 mph
Precip.
55%
09.10
fri
Day
75°F
E 2 mph
Precip.
73%
Night
64°F
SW 3 mph
Precip.
33%
10.10
sat
Day
79°F
NE 5 mph
Precip.
62%
Night
64°F
SW 2 mph
Precip.
82%
11.10
sun
Day
73°F
E 3 mph
Precip.
74%
Night
64°F
SW 2 mph
Precip.
59%
12.10
mon
Day
72°F
NE 2 mph
Precip.
74%
Night
64°F
SW 2 mph
Precip.
47%

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

Sunniest months:
February 16 days
March 16 days
January 15 days
Warmest months:
March 83.6 °F
April 82.7 °F
February 81.9 °F
Warmest sea temp:
April 85.2 °F
May 85.0 °F
March 84.7 °F
Coldest months:
October 75.8 °F
November 76.0 °F
September 77.0 °F
Rainiest months:
October 25 days
June 24 days
September 24 days
Windiest months:
February 6.6 mph
January 6.3 mph
March 5.7 mph

Alajuela on a weather map

Alajuela
+77°F
NE 3 mph
Feels like: +81°F
Precip.: 82%
Places in Costa Rica:
Name
°F
+77°F
+84°F
+84°F
+86°F
+84°F
+84°F
+84°F
+73°F
+82°F
+84°F
+86°F
+86°F
+73°F
24 Hours Forecast
Alajuela
Local time: 12:20
October 06, tuesday
1500
75°F
E
4 mph
1800
66°F
SW
2 mph
2100
66°F
SW
1 mph
October 07, wednesday
0000
64°F
SW
2 mph
0300
64°F
SW
2 mph
0600
64°F
SW
3 mph
0900
72°F
S
2 mph
1200
79°F
NE
3 mph
Units of measurement: °C / °F