World Resorts Costa Rica San Jose Weather

San Jose 14 Days Forecast

06.08
thu
Day
73°F
SW 1 mph
Precip.
64%
Night
61°F
SW 5 mph
Precip.
31%
07.08
fri
Day
77°F
SW 4 mph
Precip.
18%
Night
61°F
SW 6 mph
Precip.
28%
08.08
sat
Day
79°F
SW 6 mph
Precip.
17%
Night
63°F
SW 6 mph
Precip.
27%
09.08
sun
Day
75°F
SW 6 mph
Precip.
27%
Night
57°F
SW 6 mph
Precip.
18%
10.08
mon
Day
75°F
S 2 mph
Precip.
58%
Night
61°F
SW 4 mph
Precip.
32%
11.08
tue
Day
81°F
SE 2 mph
Precip.
22%
Night
64°F
SW 5 mph
Precip.
18%
12.08
wed
Day
79°F
S 2 mph
Precip.
41%
Night
61°F
SW 4 mph
Precip.
28%
13.08
thu
Day
79°F
SW 2 mph
Precip.
36%
Night
64°F
SW 6 mph
Precip.
20%
14.08
fri
Day
79°F
SW 5 mph
Precip.
13%
Night
64°F
SW 6 mph
Precip.
29%
15.08
sat
Day
75°F
SW 5 mph
Precip.
31%
Night
63°F
SW 5 mph
Precip.
27%
16.08
sun
Day
77°F
SW 3 mph
Precip.
62%
Night
59°F
SW 4 mph
Precip.
29%
17.08
mon
Day
73°F
SW 2 mph
Precip.
60%
Night
64°F
SW 5 mph
Precip.
32%
18.08
tue
Day
73°F
SW 4 mph
Precip.
30%
Night
61°F
SW 4 mph
Precip.
42%
19.08
wed
Day
75°F
SW 2 mph
Precip.
64%
Night
63°F
SW 4 mph
Precip.
31%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.8°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 13 days
January 12 days
March 11 days
Warmest months:
March 79.9 °F
April 79.2 °F
February 78.4 °F
Warmest sea temp:
April 85.7 °F
March 85.4 °F
May 85.2 °F
Coldest months:
November 73.5 °F
October 73.8 °F
July 74.8 °F
Rainiest months:
October 25 days
September 25 days
June 24 days
Windiest months:
February 6.2 mph
January 6.0 mph
March 5.5 mph

San Jose on a weather map

San Jose
+63°F
SW 5 mph
Feels like: +63°F
Precip.: 30%
Places in Costa Rica:
Name
°F
+63°F
+81°F
+77°F
+77°F
+77°F
+77°F
+63°F
+79°F
+79°F
+75°F
+77°F
+63°F
24 Hours Forecast
San Jose
Local time: 20:19
August 06, thursday
2100
63°F
SW
5 mph
August 07, friday
0000
61°F
SW
5 mph
0300
61°F
SW
6 mph
0600
63°F
SW
6 mph
0900
72°F
SW
5 mph
1200
77°F
SW
4 mph
1500
73°F
SW
3 mph
1800
66°F
SW
4 mph
Units of measurement: °C / °F