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San José, Costa Rica Weather Averages

April is the hottest month in San José with an average temperature of 25°C (76°F) and the coldest is January at 22°C (71°F) with the most daily sunshine hours at 7 in June. The wettest month is September with an average of 240mm of rain..

Average Temperature San José

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature San José

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall San José

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours San José

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

San José : Next 24-Hour Weather

Tomorrow - 20th January 2025

Sunrise 05:59

Sunrise

Sunset 17:37

Sunset
22:00
Partly cloudy
16°C (61°F)
23:00
Partly cloudy
16°C (60°F)

Tomorrow - 21st January 2025

Sunrise 05:59

Sunrise

Sunset 17:37

Sunset
0:00
Partly cloudy
16°C (59°F)
1:00
Clear
16°C (60°F)
2:00
Clear
16°C (60°F)
3:00
Clear
16°C (60°F)
4:00
Clear
16°C (60°F)
5:00
Clear
16°C (59°F)
6:00
Partly cloudy
15°C (59°F)
7:00
Clear
17°C (63°F)
8:00
Clear
21°C (70°F)
9:00
Clear
26°C (77°F)
10:00
Clear
28°C (81°F)
11:00
Patchy rain possible
29°C (83°F)
12:00
Partly cloudy
29°C (84°F)
13:00
Patchy rain possible
27°C (80°F)
14:00
Patchy rain possible
26°C (78°F)
15:00
Patchy rain possible
25°C (76°F)
16:00
Patchy rain possible
25°C (76°F)
17:00
Patchy rain possible
23°C (72°F)
18:00
Patchy rain possible
18°C (64°F)
19:00
Patchy rain possible
17°C (61°F)
20:00
Partly cloudy
17°C (61°F)
21:00
Partly cloudy
16°C (60°F)