Daytime highs, nighttime lows and the warmest cities in Hainan, China this December.
Hainan, China, a region in China, experiences high average maximum daytime temperatures in December, ranging from 23°C (73°F) in Haikou to 25°C (77°F) in Sanya. Nighttime temperatures generally drop to 19°C (66°F) in Sanya and 19°C (66°F) in Haikou.
Discover the typical December temperatures for the most popular locations of Hainan on the map below. Detailed insights are just a click away.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Hainan.
Marker color shows the average daytime high temperature in December: blue is cold, red is hot.
Average daytime highs in Hainan, China during December reach about 25°C (77°F) in Sanya.
Sanya sees nighttime lows close to 19°C (66°F) in December.
Sanya tops the warmest city list in our database with average maximum daytime temperatures around 25°C (77°F) and a minimum nighttime temperature of around 19°C (66°F).
In our database, Haikou is the chilliest city in December in Hainan, China. Daytime temperatures typically peak at 23°C (73°F), while the nighttime lows hover around 19°C (66°F).
We have much more information about the climate in Hainan.
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