12.18
thu
thu
DAY
84°F
E 3 mph
precip
0%
0%
NIGHT
56°F
SW 4 mph
precip
0%
0%
12.19
fri
fri
DAY
86°F
SW 4 mph
precip
0%
0%
NIGHT
56°F
SW 4 mph
precip
0%
0%
12.20
sat
sat
DAY
86°F
SW 6 mph
precip
0%
0%
NIGHT
54°F
SW 5 mph
precip
0%
0%
12.21
sun
sun
DAY
86°F
SW 6 mph
precip
0%
0%
NIGHT
56°F
SW 5 mph
precip
0%
0%
12.22
mon
mon
DAY
86°F
SW 6 mph
precip
0%
0%
NIGHT
56°F
SW 5 mph
precip
0%
0%
12.23
tue
tue
DAY
86°F
SW 5 mph
precip
0%
0%
NIGHT
60°F
SW 4 mph
precip
0%
0%
12.24
wed
wed
DAY
84°F
SW 3 mph
precip
85%
85%
NIGHT
54°F
SW 5 mph
precip
0%
0%
12.25
thu
thu
DAY
86°F
SW 2 mph
precip
60%
60%
NIGHT
54°F
SW 5 mph
precip
0%
0%
12.26
fri
fri
DAY
88°F
SW 3 mph
precip
0%
0%
NIGHT
62°F
SW 5 mph
precip
0%
0%
12.27
sat
sat
DAY
84°F
S 1 mph
precip
77%
77%
NIGHT
58°F
SW 4 mph
precip
0%
0%
12.28
sun
sun
DAY
80°F
E 2 mph
precip
100%
100%
NIGHT
62°F
SW 4 mph
precip
0%
0%
12.29
mon
mon
DAY
84°F
S 1 mph
precip
77%
77%
NIGHT
62°F
SW 4 mph
precip
0%
0%
12.30
tue
tue
DAY
84°F
SW 4 mph
precip
100%
100%
NIGHT
62°F
SW 5 mph
precip
66%
66%
12.31
wed
wed
DAY
82°F
SW 9 mph
precip
100%
100%
NIGHT
68°F
SW 5 mph
precip
100%
100%
Sea water
temperature
temperature
| Alajuela |
Weather in
December
December
| Alajuela |
7 day weather
forecast
forecast
| Alajuela |
10 day weather
forecast
forecast
| Alajuela |
14 day weather
forecast
forecast
| Alajuela |
Monthly weather
averages
averages
| Alajuela |
Current Weather
Conditions
Conditions
| Alajuela |
When is the Best
Time to Visit?
Time to Visit?
| Alajuela |
Alajuela Sea Water Temperature in December, °F
The average sea surface temperature in December 2025 for Alajuela was 86.6°F. The maximum and minimum values were 86.0°F and 87.2°F respectively.
Alajuela on the Weather Map
Costa Rica Resorts:
NAME
F°
| Alajuela |  |
+84 |
| Cahuita |  |
+84 |
| Heredia | |
+78 |
| Jaco | |
+84 |
| Limon | |
+84 |
| Playa Flamingo |  |
+86 |
| Playas del Coco | |
+86 |
| Puerto Limon | |
+84 |
| Puerto Viejo de Talamanca | |
+82 |
| Quepos |  |
+86 |
| Samara | |
+86 |
| San Jose | |
+80 |
| Santa Teresa | |
+84 |
| Tamarindo | |
+86 |
| Tortuguero | |
+86 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Alajuela
Local time: 11:04
18 dec, thursday
| 1200 | |
84°F | E 3 mph |
| 1500 | |
80°F | NE 5 mph |
| 1800 | |
60°F | SW 2 mph |
| 2100 | |
56°F | SW 4 mph |
19 dec, friday
| 0000 | |
56°F | SW 4 mph |
| 0300 | |
54°F | SW 5 mph |
| 0600 | |
52°F | SW 6 mph |
| 0900 | |
76°F | SW 4 mph |