Climate of Alajuela, Costa Rica
Area-weighted average across Alajuela. For where people actually live and travel, see the cities below.
Alajuela, a subdivision of Costa Rica, has a tropical climate on average. Area-weighted monthly temperatures across the whole territory range from 23.3°C / 73.9°F in December to 25.5°C / 77.9°F in April, with rainfall from 69 mm / 2.7 in to 377 mm / 14.8 in depending on the season (3082 mm / 121.3 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 23.6°C74.5°F | 182 mm7.2″ | Tropical |
| February | 24°C75.2°F | 104 mm4.1″ | Tropical |
| March | 25°C77°F | 69 mm2.7″ | — |
| April | 25.5°C77.9°F | 89 mm3.5″ | Tropical |
| May | 25.2°C77.4°F | 248 mm9.8″ | Tropical |
| June | 24.5°C76.1°F | 359 mm14.1″ | Tropical |
| July | 24.5°C76.1°F | 377 mm14.8″ | Tropical |
| August | 24.3°C75.7°F | 365 mm14.4″ | Tropical |
| September | 24°C75.2°F | 367 mm14.4″ | Tropical |
| October | 23.8°C74.8°F | 366 mm14.4″ | Tropical |
| November | 23.5°C74.3°F | 304 mm12″ | Tropical |
| December | 23.3°C73.9°F | 252 mm9.9″ | Tropical |
Frequently asked questions
What is the best time to visit Alajuela?
Alajuela, Costa Rica does not have a clear sunny-and-dry window by our cutoffs. The warmest month is April at 25.5°C / 77.9°F, and the driest is March at 69 mm / 2.7 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Alajuela?
Alajuela, Costa Rica has area-weighted monthly average temperatures ranging from 23.3°C / 73.9°F in December to 25.5°C / 77.9°F in April. Annual rainfall averages about 3082 mm / 121.3 in, with the wettest month being July (377 mm / 14.8 in) and the driest March (69 mm / 2.7 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Alajuela?
The hottest month in Alajuela is April, with an area-wide average temperature of 25.5°C / 77.9°F.
What is the coldest month in Alajuela?
The coldest month in Alajuela is December, with an area-wide average temperature of 23.3°C / 73.9°F.
When does it rain most in Alajuela?
The wettest month in Alajuela is July, averaging about 377 mm / 14.8 in of rainfall. The driest is March with about 69 mm / 2.7 in.