Climate averages 1991–2020
Haikou, China weather
in August.
A warm, very wet month: the joint 4th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Haikou, China: daytime highs average 23.1°C and nights cool to about 17.2°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 235 mm of rain on roughly 25 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 00 min on an average August day.
The nearest other city in this atlas is Anning (18 km away). In August its highs average 23.9°C, 0.8°C warmer than Haikou, China, with 231 mm of rain.
Among the 884 cities listed in China, Haikou, China ranks joint 867th of 884 for the warmest August highs and 761st of 884 for the driest August (rainfall, lowest first). The mean August high of those 884 cities is 29.3°C; Haikou, China is 6.2°C cooler than that mean.
From August to September, average highs fall by 1.5°C to 21.6°C, and monthly rainfall falls from 235 mm to 147 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Haikou, China climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.3°C6.4°C | 6.4°C | 27 | 4.3 | 10.811 h |
| February | 17.2°C8.2°C | 8.2°C | 22 | 3.8 | 11.311 h |
| March | 20.9°C11.3°C | 11.3°C | 28 | 5.1 | 12.012 h |
| April | 23.6°C13.9°C | 13.9°C | 46 | 7.2 | 12.713 h |
| May | 24.2°C15.8°C | 15.8°C | 107 | 13.2 | 13.313 h |
| June | 23.7°C17.2°C | 17.2°C | 215 | 22.7 | 13.614 h |
| July | 23.1°C17.4°C | 17.4°C | 254 | 26.1 | 13.514 h |
| August, selected | 23.1°C17.2°C | 17.2°C | 235 | 25.4 | 13.013 h |
| September | 21.6°C15.9°C | 15.9°C | 147 | 20.3 | 12.312 h |
| October | 19.3°C13.4°C | 13.4°C | 87 | 13.7 | 11.612 h |
| November | 16.7°C9.8°C | 9.8°C | 28 | 4.7 | 11.011 h |
| December | 13.9°C6.7°C | 6.7°C | 16 | 3.4 | 10.611 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Anning in AugustChina · 18 kmHigh 23.9°C · Low 17.4°C · 231 mm rain
- Majie in AugustChina · 29 kmHigh 23.5°C · Low 16.8°C · 238 mm rain
- Kunming in AugustChina · 32 kmHigh 23.6°C · Low 16.5°C · 238 mm rain
- Longquan in AugustChina · 44 kmHigh 25.6°C · Low 18.3°C · 202 mm rain
- Yuxi in AugustChina · 47 kmHigh 24.8°C · Low 17.8°C · 197 mm rain
- Miyang in AugustChina · 97 kmHigh 25.8°C · Low 18.6°C · 163 mm rain
- Chuxiong in AugustChina · 108 kmHigh 24.3°C · Low 17.0°C · 187 mm rain
- Zhongshu in AugustChina · 124 kmHigh 24.1°C · Low 17.2°C · 197 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Haikou) is explained once on the Haikou, China year overview and on the Sources, method and limits page.