Measurements:
°C
°F
CURRENT WEATHER
08:41
Alajuela
84°F
NE 1 mph
Feels like: 86°F
Precip: 100%
World Resorts Costa Rica Alajuela Weather

14 Day Weather Forecast

05.29
fri
DAY
78°F
SE 2 mph
precip
100%
NIGHT
66°F
SW 3 mph
precip
100%
05.30
sat
DAY
80°F
E 4 mph
precip
100%
NIGHT
68°F
W 1 mph
precip
0%
05.31
sun
DAY
82°F
E 3 mph
precip
100%
NIGHT
70°F
SE 0 mph
precip
0%
06.01
mon
DAY
78°F
E 2 mph
precip
100%
NIGHT
64°F
W 3 mph
precip
100%
06.02
tue
DAY
82°F
NE 5 mph
precip
100%
NIGHT
68°F
E 0 mph
precip
74%
06.03
wed
DAY
82°F
NE 5 mph
precip
100%
NIGHT
68°F
SW 1 mph
precip
0%
06.04
thu
DAY
80°F
NE 5 mph
precip
100%
NIGHT
66°F
W 1 mph
precip
0%
06.05
fri
DAY
72°F
NE 3 mph
precip
100%
NIGHT
68°F
NW 0 mph
precip
100%
06.06
sat
DAY
68°F
NW 2 mph
precip
100%
NIGHT
64°F
W 2 mph
precip
71%
06.07
sun
DAY
72°F
N 1 mph
precip
100%
NIGHT
62°F
SW 2 mph
precip
0%
06.08
mon
DAY
80°F
NE 5 mph
precip
0%
NIGHT
66°F
SW 1 mph
precip
0%
06.09
tue
DAY
80°F
NE 3 mph
precip
0%
NIGHT
64°F
NE 1 mph
precip
0%
06.10
wed
DAY
84°F
NE 4 mph
precip
0%
NIGHT
68°F
SW 1 mph
precip
0%
06.11
thu
DAY
80°F
NE 3 mph
precip
100%
NIGHT
68°F
NW 1 mph
precip
0%

Alajuela Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Alajuela was 90.2°F. The maximum and minimum values were 89.6°F and 91.0°F respectively.

Alajuela on the Weather Map

Best Time to Visit Alajuela
The most sunny months:
February 16 days
March 16 days
January 15 days
The most warm months:
March 87.3 °F
April 86.3 °F
February 85.5 °F
Warmest sea temperature:
April 89.1 °F
May 88.9 °F
March 88.6 °F
The most cold months:
October 78.7 °F
November 78.8 °F
September 80.0 °F
The most rainy months:
June 25 days
September 25 days
October 25 days
The most windy months:
February 6 mph
January 6 mph
March 6 mph
more details
Costa Rica Resorts:
NAME
F°
Alajuela +84
Cahuita +84
El Roble +90
Heredia +80
Jaco +86
Limon +84
Playa Flamingo +86
Playas del Coco +86
Puerto Limon +84
Puerto Viejo de Talamanca +84
Quepos +86
Samara +84
San Jose +80
Tamarindo +90
Tortuguero +78
all resorts
24 Hours Weather Forecast
Alajuela
Local time: 08:41
29 may, friday
0900 84°F
NE
1 mph
1200 78°F
SE
2 mph
1500 74°F
SE
1 mph
1800 70°F
W
2 mph
2100 68°F
SW
1 mph
30 may, saturday
0000 66°F
SW
3 mph
0300 64°F
SW
2 mph
0600 66°F
SW
2 mph