Climate averages 1991–2020
Sanya weather
in October.
A hot, very wet month: the 7th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Sanya: daytime highs average 28.4°C and nights cool to about 24.0°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 182 mm of rain on roughly 14 days, which makes October a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 44 min on an average October day.
The nearest other city in this atlas is Wuzhishan (59 km away). In October its highs average 27.6°C, 0.8°C cooler than Sanya, with 152 mm of rain.
Among the 884 cities listed in China, Sanya ranks joint 13th of 884 for the warmest October highs and 881st of 884 for the driest October (rainfall, lowest first). The mean October high of those 884 cities is 20.4°C; Sanya is 8.0°C warmer than that mean.
From October to November, average highs fall by 1.5°C to 26.9°C, and monthly rainfall falls from 182 mm to 54 mm.
The annual picture
October 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
Sanya climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.1°C18.5°C | 18.5°C | 12 | 2.4 | 11.211 h |
| February | 25.1°C19.5°C | 19.5°C | 9.9 | 2.5 | 11.512 h |
| March | 27.2°C21.9°C | 21.9°C | 18 | 3.8 | 12.012 h |
| April | 29.2°C24.4°C | 24.4°C | 53 | 8.6 | 12.513 h |
| May | 30.3°C26.0°C | 26.0°C | 139 | 18.9 | 13.013 h |
| June | 30.4°C26.7°C | 26.7°C | 212 | 22.2 | 13.213 h |
| July | 30.0°C26.4°C | 26.4°C | 280 | 23.0 | 13.113 h |
| August | 29.9°C26.1°C | 26.1°C | 261 | 24.3 | 12.713 h |
| September | 29.5°C25.4°C | 25.4°C | 258 | 22.3 | 12.312 h |
| October, selected | 28.4°C24.0°C | 24.0°C | 182 | 14.0 | 11.712 h |
| November | 26.9°C22.0°C | 22.0°C | 54 | 5.6 | 11.311 h |
| December | 24.6°C19.3°C | 19.3°C | 26 | 3.0 | 11.111 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
October in nearby cities
- Wuzhishan in OctoberChina · 59 kmHigh 27.6°C · Low 21.3°C · 152 mm rain
- Wanning in OctoberChina · 110 kmHigh 27.3°C · Low 24.2°C · 295 mm rain
- Basuo in OctoberChina · 130 kmHigh 28.4°C · Low 23.6°C · 143 mm rain
- Yaxing in OctoberChina · 135 kmHigh 27.8°C · Low 21.3°C · 120 mm rain
- Dacheng in OctoberChina · 140 kmHigh 28.1°C · Low 21.4°C · 137 mm rain
- Nada in OctoberChina · 141 kmHigh 27.9°C · Low 21.3°C · 137 mm rain
- Qionghai in OctoberChina · 149 kmHigh 27.6°C · Low 23.6°C · 203 mm rain
- Sandu in OctoberChina · 173 kmHigh 27.9°C · Low 23.7°C · 118 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 Sanya) is explained once on the Sanya year overview and on the Sources, method and limits page.