San Salvador
El Salvador
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 33 | 32 | 33 | 33 | 35 | 33 | 37 | 35 | 34 | 34 | 32 | 32 | 37 |
| Average high, °C | 27 | 27 | 27 | 27 | 28 | 29 | 30 | 30 | 28 | 27 | 28 | 28 | 28 |
| Average temperature, °C | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 23 |
| Average low, °C | 20 | 20 | 19 | 18 | 18 | 18 | 19 | 21 | 21 | 21 | 20 | 20 | 20 |
| Record low, °C | 17 | 15 | 14 | 12 | 12 | 12 | 13 | 16 | 17 | 17 | 17 | 16 | 12 |
| Fog, days | 9 | 8 | 3 | 1 | 1 | 1 | 2 | 2 | 5 | 6 | 5 | 7 | 50 |
| Thunderstorms, days | 17 | 11 | 3 | 1 | 0 | 0 | 1 | 5 | 9 | 15 | 16 | 20 | 98 |
| Average precipitation, mm. | 317 | 230 | 40 | 12 | 7 | 7 | 11 | 50 | 179 | 315 | 312 | 307 | 1787 |
| Relative humidity morning, % | 96 | 94 | 89 | 87 | 85 | 84 | 85 | 86 | 93 | 95 | 95 | 96 | 90 |
| Relative humidity evening, % | 74 | 68 | 58 | 51 | 45 | 44 | 51 | 54 | 68 | 70 | 63 | 67 | 59 |
| Wind speed, km/h | 6 | 9 | 12 | 14 | 16 | 14 | 14 | 14 | 12 | 6 | 8 | 8 | 11 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 |
| Dew point, °C | 20 | 20 | 18 | 16 | 15 | 15 | 17 | 18 | 20 | 20 | 20 | 20 | 219 |
| Growing degree-day, °C | 350 | 362 | 350 | 362 | 362 | 330 | 396 | 417 | 431 | 383 | 396 | 396 | 4534 |
| Solar radiation, global, Mj/m2 | 19 | 17 | 16 | 16 | 17 | 19 | 22 | 22 | 20 | 20 | 21 | 20 | 19 |