World Resorts Costa Rica San Jose Weather

San Jose 14 Days Forecast

17.12
wed
Day
77°F
SW 2 mph
Precip.
62%
Night
54°F
W 4 mph
Precip.
0%
18.12
thu
Day
79°F
SE 2 mph
Precip.
61%
Night
55°F
SW 4 mph
Precip.
0%
19.12
fri
Day
79°F
SW 4 mph
Precip.
0%
Night
55°F
SW 6 mph
Precip.
0%
20.12
sat
Day
77°F
SW 6 mph
Precip.
69%
Night
54°F
SW 6 mph
Precip.
0%
21.12
sun
Day
75°F
SW 5 mph
Precip.
100%
Night
54°F
SW 6 mph
Precip.
0%
22.12
mon
Day
79°F
SW 5 mph
Precip.
0%
Night
54°F
SW 5 mph
Precip.
0%
23.12
tue
Day
79°F
SW 4 mph
Precip.
0%
Night
54°F
W 5 mph
Precip.
0%
24.12
wed
Day
77°F
SW 4 mph
Precip.
0%
Night
54°F
SW 6 mph
Precip.
0%
25.12
thu
Day
77°F
SW 4 mph
Precip.
82%
Night
54°F
SW 5 mph
Precip.
0%
26.12
fri
Day
79°F
SW 4 mph
Precip.
77%
Night
55°F
SW 5 mph
Precip.
0%
27.12
sat
Day
75°F
SW 2 mph
Precip.
100%
Night
54°F
SW 5 mph
Precip.
0%
28.12
sun
Day
75°F
SW 3 mph
Precip.
100%
Night
54°F
W 5 mph
Precip.
0%
29.12
mon
Day
77°F
S 2 mph
Precip.
100%
Night
54°F
SW 4 mph
Precip.
0%
30.12
tue
Day
72°F
S 1 mph
Precip.
100%
Night
57°F
SW 4 mph
Precip.
0%

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 83.7°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 83.9°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

Sunniest months:
February 14 days
January 13 days
March 12 days
Warmest months:
March 80.0 °F
April 79.3 °F
February 78.7 °F
Warmest sea temp:
April 85.7 °F
March 85.4 °F
May 85.1 °F
Coldest months:
November 73.5 °F
October 73.8 °F
July 74.8 °F
Rainiest months:
October 25 days
June 25 days
September 25 days
Windiest months:
February 6.3 mph
January 6.1 mph
March 5.5 mph

San Jose on a weather map

San Jose
+55°F
SW 4 mph
Feels like: +55°F
Precip.: 0%
Places in Costa Rica:
Name
°F
+57°F
+77°F
+73°F
+68°F
+73°F
+73°F
+75°F
+55°F
+77°F
+77°F
+73°F
+59°F
24 Hours Forecast
San Jose
Local time: 19:39
December 17, wednesday
2100
55°F
SW
4 mph
December 18, thursday
0000
54°F
W
4 mph
0300
52°F
W
5 mph
0600
52°F
W
5 mph
0900
73°F
S
1 mph
1200
79°F
SE
2 mph
1500
72°F
SE
3 mph
1800
59°F
SW
2 mph
Units of measurement: °C / °F