Guatemala City
Guatemala
| 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 | 29 | 29 | 29 | 29 | 31 | 30 | 32 | 32 | 31 | 29 | 30 | 30 | 30 |
| Average temperature, °C | 26 | 26 | 25 | 24 | 24 | 25 | 28 | 28 | 28 | 27 | 26 | 26 | 26 |
| Average low, °C | 19 | 19 | 18 | 17 | 16 | 17 | 18 | 19 | 20 | 19 | 19 | 19 | 18 |
| 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. | 119 | 48 | 12 | 4 | 2 | 1 | 2 | 13 | 91 | 140 | 111 | 111 | 654 |
| 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 | 467 | 482 | 450 | 431 | 431 | 424 | 551 | 533 | 551 | 500 | 482 | 482 | 5784 |
| Solar radiation, global, Mj/m2 | 18 | 15 | 14 | 13 | 14 | 17 | 20 | 21 | 20 | 19 | 19 | 19 | 17 |