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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
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
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
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
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
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
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
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
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
More Annual Averages
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San José : Next 24-Hour Weather
Today - 10th September 2026
Sunrise 05:27
Sunset 17:40
8:00
25°C
(76°F)
9:00
27°C
(80°F)
10:00
29°C
(83°F)
11:00
28°C
(82°F)
12:00
27°C
(80°F)
13:00
26°C
(78°F)
14:00
25°C
(75°F)
15:00
22°C
(71°F)
16:00
21°C
(69°F)
17:00
21°C
(69°F)
18:00
21°C
(69°F)
19:00
21°C
(68°F)
20:00
20°C
(68°F)
21:00
20°C
(67°F)
22:00
20°C
(67°F)
23:00
19°C
(66°F)
Tomorrow - 11th September 2026
Sunrise 05:27
Sunset 17:40
0:00
19°C
(65°F)
1:00
19°C
(65°F)
2:00
19°C
(65°F)
3:00
19°C
(65°F)
4:00
19°C
(65°F)
5:00
19°C
(65°F)
6:00
19°C
(66°F)
7:00
22°C
(70°F)
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