23.12
tue
tue
Day
81°F
E 5 mph
Precip.
0%
0%
Night
77°F
SW 4 mph
Precip.
0%
0%
24.12
wed
wed
Day
81°F
NE 5 mph
Precip.
0%
0%
Night
77°F
SW 4 mph
Precip.
0%
0%
25.12
thu
thu
Day
81°F
NE 5 mph
Precip.
0%
0%
Night
77°F
SW 4 mph
Precip.
79%
79%
26.12
fri
fri
Day
81°F
NE 4 mph
Precip.
0%
0%
Night
77°F
SW 4 mph
Precip.
100%
100%
27.12
sat
sat
Day
81°F
E 4 mph
Precip.
0%
0%
Night
77°F
SW 4 mph
Precip.
81%
81%
28.12
sun
sun
Day
81°F
E 4 mph
Precip.
0%
0%
Night
77°F
SW 2 mph
Precip.
0%
0%
29.12
mon
mon
Day
81°F
NE 6 mph
Precip.
0%
0%
Night
77°F
SW 4 mph
Precip.
72%
72%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 83.0°F. The highest and lowest sea temperatures during the month were 83.5°F and 82.4°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 83.7°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.2°F.
Air temperature in Jaco, °F
Precipitation total in Jaco, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Jaco
Jaco on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Jaco
Local time: 11:36
December 23, tuesday
1200
81°F
E
5 mph
5 mph
1500
81°F
NE
7 mph
7 mph
1800
79°F
N
3 mph
3 mph
2100
77°F
SW
3 mph
3 mph
December 24, wednesday
0000
77°F
SW
4 mph
4 mph
0300
75°F
S
6 mph
6 mph
0600
75°F
S
6 mph
6 mph
0900
79°F
S
2 mph
2 mph
