Common information
- Country
- Costa Rica
- Population
- 47 494
Weather, climate, temperature by months in Alajuela
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 30 | 29 | 28 | 30 | 30 | 31 | 32 | 31 | 31 | 33 | 28 | 29 | 33 |
| Average high, °C | 28 | 27 | 27 | 28 | 28 | 29 | 30 | 30 | 29 | 28 | 28 | 28 | 28 |
| Average temperature, °C | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 22 | 21 | 22 | 21 | 22 |
| Average low, °C | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Record low, °C | 13 | 12 | 11 | 9 | 9 | 10 | 10 | 11 | 12 | 13 | 12 | 13 | 9 |
| Rain, days | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 224 |
| Fog, days | 8 | 7 | 6 | 3 | 1 | 2 | 8 | 5 | 5 | 6 | 4 | 5 | 60 |
| Average precipitation, mm. | 345 | 341 | 146 | 31 | 5 | 16 | 18 | 77 | 268 | 265 | 181 | 262 | 1955 |
| Relative humidity, % | 84 | 85 | 79 | 76 | 73 | 69 | 68 | 70 | 78 | 83 | 82 | 81 | 77 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 17 | 17 | 16 | 16 | 14 | 14 | 15 | 15 | 17 | 18 | 17 | 17 | 193 |
| Growing degree-day, °C | 390 | 395 | 385 | 405 | 414 | 388 | 442 | 440 | 432 | 407 | 420 | 418 | 4936 |
| Solar radiation, global, Mj/m2 | 16 | 14 | 13 | 13 | 15 | 17 | 18 | 18 | 15 | 14 | 13 | 14 | 15 |