Yearly Climate Info-Haikou
| Detailed information about the Average, Maximum and Minimum Temperatures and the rainfall in Haikou (海口) |
| Average Data | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec | | Average High (F) | 69 | 72 | 78 | 85 | 90 | 91 | 92 | 90 | 87 | 83 | 78 | 72 | | Average High (C) | 21 | 22 | 26 | 30 | 32 | 33 | 33 | 32 | 31 | 28 | 25 | 22 | | Average Low (F) | 59 | 60 | 65 | 71 | 76 | 77 | 77 | 77 | 76 | 72 | 67 | 61 | | Average Low (C) | 15 | 16 | 19 | 22 | 24 | 25 | 25 | 25 | 24 | 22 | 20 | 16 | | Rain (in) | 0.9 | 1.3 | 1.7 | 3.7 | 7.0 | 8.5 | 8.2 | 8.5 | 10.7 | 6.9 | 3.4 | 1.6 | | Rain (mm) | 22.5 | 37.5 | 42.5 | 97.5 | 182.5 | 217.5 | 212.5 | 217.5 | 272.5 | 177.5 | 87.5 | 42.5 | |