Saint Croix
Virgin Islands,U.S.
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 36 | 37 | 36 | 35 | 33 | 35 | 36 | 33 | 36 | 37 | 37 | 37 | 37 |
| Average high, °C | 32 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 30 | 31 | 32 | 32 | 30 |
| Average temperature, °C | 28 | 27 | 27 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 28 | 28 | 26 |
| Average low, °C | 24 | 23 | 23 | 21 | 21 | 21 | 21 | 22 | 23 | 24 | 24 | 24 | 23 |
| Record low, °C | 21 | 18 | 18 | 17 | 14 | 15 | 13 | 14 | 18 | 17 | 20 | 19 | 13 |
| Rain, days | 5 | 5 | 6 | 5 | 4 | 4 | 3 | 3 | 4 | 3 | 4 | 5 | 51 |
| Thunderstorms, days | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 6 |
| Average precipitation, mm. | 152 | 126 | 160 | 83 | 68 | 48 | 50 | 90 | 103 | 62 | 83 | 111 | 1136 |
| Relative humidity, % | 76 | 77 | 76 | 75 | 74 | 73 | 72 | 73 | 75 | 73 | 72 | 74 | 74 |
| Relative humidity evening, % | 71 | 72 | 72 | 68 | 64 | 62 | 62 | 66 | 69 | 67 | 67 | 68 | 67 |
| Day Length, часов | 13 | 12 | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 13 | 13 |
| Dew point, °C | 23 | 23 | 22 | 20 | 19 | 18 | 19 | 21 | 22 | 22 | 22 | 23 | 254 |
| Growing degree-day, °C | 954 | 959 | 885 | 856 | 817 | 738 | 826 | 831 | 918 | 946 | 995 | 992 | 10717 |
| Solar radiation, global, Mj/m2 | 23 | 20 | 17 | 17 | 18 | 21 | 24 | 25 | 25 | 25 | 25 | 25 | 22 |