31.12
wed
wed
Day
68°F
SW 6 mph
Precip.
72%
72%
Night
54°F
SW 7 mph
Precip.
0%
0%
01.01
thu
thu
Day
70°F
SW 5 mph
Precip.
74%
74%
Night
57°F
SW 5 mph
Precip.
70%
70%
02.01
fri
fri
Day
75°F
SW 3 mph
Precip.
100%
100%
Night
57°F
SW 4 mph
Precip.
79%
79%
03.01
sat
sat
Day
75°F
S 1 mph
Precip.
100%
100%
Night
55°F
SW 4 mph
Precip.
0%
0%
04.01
sun
sun
Day
77°F
S 2 mph
Precip.
100%
100%
Night
54°F
SW 5 mph
Precip.
0%
0%
05.01
mon
mon
Day
75°F
SW 4 mph
Precip.
100%
100%
Night
59°F
SW 5 mph
Precip.
100%
100%
06.01
tue
tue
Day
75°F
SW 3 mph
Precip.
100%
100%
Night
57°F
SW 4 mph
Precip.
75%
75%
07.01
wed
wed
Day
75°F
SW 3 mph
Precip.
100%
100%
Night
54°F
W 4 mph
Precip.
0%
0%
08.01
thu
thu
Day
79°F
SE 2 mph
Precip.
100%
100%
Night
54°F
W 4 mph
Precip.
0%
0%
09.01
fri
fri
Day
79°F
S 2 mph
Precip.
100%
100%
Night
54°F
W 4 mph
Precip.
0%
0%
10.01
sat
sat
Day
79°F
SE 2 mph
Precip.
74%
74%
Night
54°F
W 4 mph
Precip.
0%
0%
11.01
sun
sun
Day
79°F
SW 4 mph
Precip.
0%
0%
Night
54°F
SW 6 mph
Precip.
0%
0%
12.01
mon
mon
Day
79°F
SW 4 mph
Precip.
0%
0%
Night
54°F
W 5 mph
Precip.
0%
0%
13.01
tue
tue
Day
79°F
SW 4 mph
Precip.
81%
81%
Night
57°F
SW 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| San Jose |
monthly
weather
weather
| San Jose |
current
weather
weather
| San Jose |
7 days
forecast
forecast
| San Jose |
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 83.9°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.0°F.
Air temperature in San Jose, °F
Precipitation total in San Jose, in.
* Charts above show average data for the last 3 years.
Best time for vacation in San Jose
San Jose on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
San Jose
Local time: 17:34
December 31, wednesday
1800
59°F
SW
6 mph
6 mph
2100
55°F
SW
7 mph
7 mph
January 01, thursday
0000
54°F
SW
7 mph
7 mph
0300
55°F
SW
6 mph
6 mph
0600
57°F
SW
6 mph
6 mph
0900
68°F
SW
6 mph
6 mph
1200
70°F
SW
5 mph
5 mph
1500
68°F
SW
5 mph
5 mph
