Hangzhou weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Fair
Best time to visit: April – May, September – November
What is the weather like in Hangzhou in December?
In December, Hangzhou is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. The sea averages 12.1 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain falls on about 7 days, adding up to 55 mm. All in all, December is a so-so month for a holiday in Hangzhou.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 71 | 41 | 23 |
| Day | 18° | 11° | 9° |
| Night | 9° | 3° | 1° |
| Sea | 18° | 12° | 8° |
| Sun | 4 h | 4 h | 3 h |
| Rain days | 9 | 7 | 10 |
More details for December
- Daylight
- 10 h 13 min06:48 – 17:01
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 49 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+8Asia/Shanghai
How the score comes together
- Temperatureweight 50 %32 %
- Sunshineweight 20 %10 %
- Few rainy daysweight 30 %76 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- A jumper for the evenings
Hangzhou in December: quick answers
Is Hangzhou hot in December?
No. In December, Hangzhou is cool: daytime highs average 11 °C and nights drop to about 3 °C.
Can you swim in Hangzhou in December?
Only if you don't mind cold water: in December the sea averages just 12.1 °C. Comfortable swimming is possible from May to October.
Does it rain much in Hangzhou in December?
Rain falls on about 7 days, adding up to 55 mm.
Hangzhou month by month
The whole year in HangzhouAll destinations: ChinaWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences