World Resorts Costa Rica Alajuela Weather

Alajuela 7 Days Forecast

06.08
thu
Day
75°F
E 2 mph
Precip.
71%
Night
63°F
SW 4 mph
Precip.
28%
07.08
fri
Day
82°F
SW 5 mph
Precip.
17%
Night
63°F
SW 5 mph
Precip.
20%
08.08
sat
Day
82°F
SW 6 mph
Precip.
7%
Night
63°F
SW 6 mph
Precip.
17%
09.08
sun
Day
79°F
SW 7 mph
Precip.
11%
Night
61°F
SW 5 mph
Precip.
16%
10.08
mon
Day
77°F
E 1 mph
Precip.
59%
Night
63°F
SW 5 mph
Precip.
29%
11.08
tue
Day
82°F
E 4 mph
Precip.
22%
Night
64°F
SW 4 mph
Precip.
20%
12.08
wed
Day
81°F
E 2 mph
Precip.
41%
Night
63°F
SW 4 mph
Precip.
26%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 84.9°F and 84.0°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:
September 25 days
October 25 days
June 24 days
Windiest months:
February 6.6 mph
January 6.3 mph
March 5.7 mph

Alajuela on a weather map

Current weather
20:17
Alajuela
+63°F
SW 4 mph
Feels like: +63°F
Precip.: 27%
Places in Costa Rica:
Name
°F
Alajuela
+63°F
Jaco
+81°F
Cahuita
+77°F
Limon
+77°F
Playas del Coco
+79°F
Playa Flamingo
+79°F
Puerto Viejo de Talamanca
+75°F
Puerto Limon
+77°F
Samara
+77°F
San Jose
+63°F
Santa Teresa
+79°F
Tamarindo
+79°F
Tortuguero
+75°F
El Roble
+77°F
Heredia
+63°F
all places
24 Hours Forecast
Alajuela
Local time: 20:17
August 06, thursday
2100
63°F
SW
4 mph
August 07, friday
0000
63°F
SW
4 mph
0300
63°F
SW
6 mph
0600
63°F
SW
5 mph
0900
75°F
SW
6 mph
1200
82°F
SW
5 mph
1500
79°F
W
1 mph
1800
66°F
SW
2 mph
Units of measurement: °C / °F