Measurements:
°C
°F
CURRENT WEATHER
02:12
Alajuela
64°F
SW 3 mph
Feels like: 64°F
Precip: 38%
World Resorts Costa Rica Alajuela Weather

7 Day Weather Forecast

10.19
mon
DAY
82°F
E 2 mph
precip
65%
NIGHT
66°F
SW 3 mph
precip
50%
10.20
tue
DAY
78°F
E 3 mph
precip
74%
NIGHT
62°F
SW 4 mph
precip
32%
10.21
wed
DAY
84°F
NE 2 mph
precip
45%
NIGHT
64°F
SW 4 mph
precip
39%
10.22
thu
DAY
82°F
S 1 mph
precip
62%
NIGHT
66°F
SW 3 mph
precip
40%
10.23
fri
DAY
78°F
E 3 mph
precip
74%
NIGHT
68°F
SW 3 mph
precip
42%
10.24
sat
DAY
80°F
NE 4 mph
precip
67%
NIGHT
64°F
SW 4 mph
precip
34%
10.25
sun
DAY
82°F
W 1 mph
precip
60%
NIGHT
64°F
SW 4 mph
precip
44%

Alajuela Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Alajuela was 30.2°F. The maximum and minimum values were 29.9°F and 30.6°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:
October 25 days
June 24 days
September 24 days
The most windy months:
February 6 mph
January 6 mph
March 6 mph
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