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 | 27 | 32 | 30 | 30 | 30 | 32 | 32 | 35 | 33 | 30 | 31 | 31 | 35 |
| Average high, °C | 22 | 22 | 22 | 22 | 22 | 23 | 25 | 25 | 25 | 23 | 23 | 23 | 23 |
| Average temperature, °C | 18 | 18 | 17 | 16 | 16 | 17 | 18 | 19 | 19 | 19 | 18 | 19 | 18 |
| Average low, °C | 16 | 16 | 14 | 13 | 12 | 13 | 14 | 15 | 16 | 16 | 16 | 16 | 15 |
| Record low, °C | 10 | 6 | 8 | 7 | 6 | 6 | 6 | 7 | 10 | 7 | 8 | 7 | 6 |
| Rain, days | 23 | 15 | 7 | 5 | 4 | 3 | 4 | 5 | 14 | 23 | 20 | 20 | 143 |
| Fog, days | 17 | 10 | 9 | 11 | 10 | 10 | 14 | 13 | 18 | 15 | 7 | 10 | 144 |
| Thunderstorms, days | 17 | 8 | 2 | 1 | 0 | 0 | 2 | 5 | 13 | 19 | 15 | 16 | 98 |
| Average precipitation, mm. | 250 | 144 | 17 | 5 | 1 | 2 | 3 | 24 | 131 | 237 | 215 | 190 | 1219 |
| Relative humidity morning, % | 94 | 92 | 91 | 91 | 90 | 90 | 90 | 90 | 92 | 93 | 93 | 93 | 92 |
| Relative humidity evening, % | 73 | 65 | 59 | 54 | 49 | 45 | 46 | 48 | 58 | 69 | 64 | 65 | 58 |
| Wind speed, km/h | 14 | 17 | 19 | 20 | 22 | 22 | 20 | 19 | 16 | 16 | 17 | 17 | 18 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 |
| Dew point, °C | 15 | 15 | 13 | 12 | 11 | 11 | 12 | 13 | 15 | 16 | 15 | 15 | 163 |
| Growing degree-day, °C | 233 | 241 | 200 | 172 | 172 | 188 | 241 | 267 | 276 | 267 | 241 | 276 | 2774 |
| Solar radiation, global, Mj/m2 | 17 | 16 | 15 | 15 | 15 | 18 | 21 | 22 | 20 | 18 | 19 | 19 | 18 |