Temperature
Pleasant by day, mild at night.
Alajuela is usually most comfortable in January and February. Typical daytime highs range from 77–82°F across the year. Rain varies by season.

Pleasant by day, mild at night.
It rains on most days. About 22 wet days this month.
Cloudier spells limit sunshine.
Warm days, with humid periods.
In November, afternoons feel about 78° and nights feel near 69°.
Overcast skies this month.
Calm winds are typical in November.
November late afternoons are around 72°F, easing to about 69°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 79 | 64 | 1.2 | 6 | 10.5 | 74 |
| Feb | 80 | 64 | 0.8 | 4 | 11.0 | 71 |
| Mar | 82 | 65 | 0.8 | 5 | 11.1 | 71 |
| Apr | 82 | 66 | 2.4 | 11 | 10.2 | 74 |
| May | 80 | 67 | 13.0 | 25 | 7.9 | 85 |
| Jun | 79 | 67 | 15.5 | 28 | 7.5 | 89 |
| Jul | 79 | 67 | 10.5 | 25 | 7.5 | 86 |
| Aug | 79 | 66 | 13.8 | 27 | 7.7 | 88 |
| Sep | 78 | 66 | 16.7 | 28 | 7.4 | 90 |
| Oct | 78 | 66 | 17.5 | 29 | 6.9 | 91 |
| Nov | 77 | 65 | 8.8 | 22 | 7.6 | 88 |
| Dec | 78 | 65 | 2.8 | 11 | 9.5 | 80 |
Similar climates
Want a side-by-side climate view? Compare Alajuela with Mexico City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology