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Alajuela, Costa Rica Weather Averages

April is the hottest month in Alajuela with an average temperature of 25°C (76°F) and the coldest is January at 22°C (71°F). The wettest month is September with an average of 240mm of rain..

Average Temperature Alajuela

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 Alajuela

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 Alajuela

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

Alajuela : Next 24-Hour Weather

Today - 21st August 2025

Sunrise 05:28

Sunrise

Sunset 17:52

Sunset
9:00
Clear
25°C (75°F)
10:00
Partly cloudy
27°C (79°F)
11:00
Patchy rain possible
28°C (82°F)
12:00
Patchy rain possible
29°C (83°F)
13:00
Patchy rain possible
26°C (78°F)
14:00
Patchy rain possible
25°C (76°F)
15:00
Light rain shower
24°C (75°F)
16:00
Light rain shower
24°C (74°F)
17:00
Patchy rain possible
23°C (72°F)
18:00
Mist
21°C (69°F)
19:00
Fog
20°C (67°F)
20:00
Fog
19°C (65°F)
21:00
Mist
18°C (63°F)
22:00
Mist
17°C (63°F)
23:00
Mist
17°C (63°F)

Tomorrow - 22nd August 2025

Sunrise 05:28

Sunrise

Sunset 17:52

Sunset
0:00
Mist
17°C (62°F)
1:00
Mist
16°C (60°F)
2:00
Mist
16°C (59°F)
3:00
Mist
16°C (59°F)
4:00
Mist
15°C (59°F)
5:00
Mist
15°C (58°F)
6:00
Partly cloudy
15°C (58°F)
7:00
Clear
19°C (66°F)
8:00
Clear
23°C (73°F)
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