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 | 36 | 37 | 38 | 38 | 37 | 37 | 37 | 38 | 38 | 37 | 37 | 37 | 38 |
| Average high, °C | 31 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 |
| Average temperature, °C | 22 | 22 | 22 | 21 | 22 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 23 |
| Average low, °C | 26 | 26 | 26 | 27 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 27 | 27 |
| Record low, °C | 22 | 18 | 22 | 20 | 19 | 20 | 20 | 22 | 22 | 22 | 21 | 22 | 18 |
| Rain, days | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 5 | 6 | 5 | 6 | 32 |
| Fog, days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Thunderstorms, days | 13 | 6 | 1 | 1 | 0 | 0 | 0 | 2 | 5 | 12 | 10 | 10 | 60 |
| Average precipitation, mm. | 368 | 255 | 36 | 13 | 11 | 7 | 18 | 49 | 153 | 313 | 339 | 327 | 1889 |
| Relative humidity morning, % | 90 | 89 | 84 | 78 | 74 | 74 | 76 | 80 | 87 | 87 | 86 | 86 | 83 |
| Relative humidity evening, % | 65 | 63 | 58 | 49 | 45 | 48 | 51 | 57 | 62 | 62 | 57 | 60 | 56 |
| Wind speed, km/h | 8 | 8 | 8 | 16 | 14 | 14 | 12 | 12 | 9 | 8 | 12 | 8 | 11 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 |
| Dew point, °C | 23 | 23 | 22 | 21 | 20 | 20 | 21 | 22 | 23 | 23 | 22 | 23 | 263 |
| Growing degree-day, °C | 350 | 362 | 350 | 327 | 362 | 330 | 396 | 417 | 431 | 383 | 396 | 396 | 4499 |
| Solar radiation, global, Mj/m2 | 19 | 17 | 16 | 16 | 17 | 19 | 22 | 22 | 20 | 20 | 21 | 20 | 19 |