Mangilao Village
Guam
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 33 | 33 | 33 | 32 | 34 | 33 | 33 | 35 | 34 | 35 | 35 | 33 | 35 |
| Average high, °C | 30 | 30 | 30 | 30 | 29 | 29 | 30 | 31 | 31 | 31 | 31 | 30 | 30 |
| Average temperature, °C | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 |
| Average low, °C | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 |
| Record low, °C | 21 | 19 | 20 | 20 | 19 | 18 | 18 | 20 | 21 | 21 | 21 | 21 | 18 |
| Rain, days | 25 | 26 | 25 | 23 | 20 | 18 | 19 | 20 | 20 | 24 | 26 | 26 | 272 |
| Thunderstorms, days | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 | 18 |
| Average precipitation, mm. | 361 | 300 | 234 | 152 | 127 | 114 | 71 | 91 | 109 | 180 | 307 | 437 | 2484 |
| Relative humidity, % | 84 | 83 | 81 | 79 | 78 | 76 | 75 | 76 | 77 | 77 | 81 | 83 | 79 |
| Relative humidity morning, % | 89 | 88 | 86 | 85 | 83 | 83 | 83 | 83 | 84 | 85 | 87 | 88 | 85 |
| Relative humidity evening, % | 77 | 76 | 75 | 73 | 71 | 68 | 67 | 67 | 70 | 71 | 75 | 76 | 72 |
| Wind speed, km/h | 11 | 12 | 17 | 19 | 19 | 18 | 19 | 18 | 16 | 15 | 12 | 11 | 15 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 279 |
| Growing degree-day, °C | 943 | 981 | 955 | 967 | 936 | 839 | 952 | 957 | 1009 | 979 | 987 | 973 | 11478 |
| Solar radiation, global, Mj/m2 | 20 | 19 | 18 | 18 | 19 | 21 | 24 | 25 | 25 | 23 | 22 | 19 | 21 |