World Resorts Costa Rica Alajuela Weather

Alajuela 7 Days Forecast

17.03
tue
Day
90°F
E 3 mph
Precip.
0%
Night
59°F
SW 4 mph
Precip.
0%
18.03
wed
Day
90°F
E 3 mph
Precip.
0%
Night
59°F
SW 4 mph
Precip.
0%
19.03
thu
Day
88°F
E 6 mph
Precip.
0%
Night
61°F
SW 4 mph
Precip.
0%
20.03
fri
Day
88°F
E 6 mph
Precip.
100%
Night
59°F
SW 4 mph
Precip.
0%
21.03
sat
Day
82°F
E 2 mph
Precip.
100%
Night
59°F
SW 4 mph
Precip.
0%
22.03
sun
Day
86°F
E 4 mph
Precip.
100%
Night
59°F
SW 4 mph
Precip.
0%
23.03
mon
Day
88°F
E 4 mph
Precip.
100%
Night
61°F
SW 3 mph
Precip.
0%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 86.4°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

Sunniest months:
February 16 days
March 16 days
January 15 days
Warmest months:
March 83.6 °F
April 82.8 °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 25 days
September 25 days
Windiest months:
February 6.6 mph
January 6.3 mph
March 5.8 mph

Alajuela on a weather map

Current weather
07:45
Alajuela
+82°F
SE 1 mph
Feels like: +82°F
Precip.: 0%
Places in Costa Rica:
Name
°F
Alajuela
+82°F
Jaco
+82°F
Cartago
+73°F
Quepos
+86°F
Limon
+81°F
Playas del Coco
+84°F
Playa Flamingo
+84°F
Puerto Viejo de Talamanca
+81°F
Puerto Limon
+81°F
Samara
+84°F
San Jose
+79°F
Santa Teresa
+82°F
Tamarindo
+84°F
Tortuguero
+82°F
Heredia
+79°F
all places
24 Hours Forecast
Alajuela
Local time: 07:45
March 17, tuesday
0900
82°F
SE
1 mph
1200
90°F
E
3 mph
1500
79°F
NE
3 mph
1800
68°F
SW
2 mph
2100
63°F
SW
4 mph
March 18, wednesday
0000
59°F
SW
4 mph
0300
55°F
SW
5 mph
0600
54°F
SW
6 mph
Units of measurement: °C / °F