City break

Hangzhou weather in January

Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.

23

Holiday weather in January

Poor

Best time to visit: April – May, September – November

What is the weather like in Hangzhou in January?

In January, Hangzhou is cold: daytime highs average 9 °C, and nights cool down to about 1 °C. The sea averages 8.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 10 rainy days and 75 mm in total. All in all, January is not an ideal month for a holiday in Hangzhou.

January compared

How the weather changes from December to February. Tap a month to open it.

DecemberDecJanuaryJanFebruaryFeb
Score412333
Day11°9°11°
Night3°1°3°
Sea12°8°8°
Sun4 h3 h4 h
Rain days71011

More details for January

Daylight
10 h 23 min06:56 – 17:20
UV index
4 · 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
58 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
1 day1 cm or more of fresh snow
Time zone
UTC+8Asia/Shanghai

How the score comes together

  • Temperatureweight 50 %11 %
  • Sunshineweight 20 %2 %
  • Few rainy daysweight 30 %59 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in January

  • Sunscreen
  • Warm jacket
  • Rain jacket or umbrella

Hangzhou in January: quick answers

Is Hangzhou hot in January?

No. In January, Hangzhou is cold: daytime highs average 9 °C and nights drop to about 1 °C.

Can you swim in Hangzhou in January?

Only if you don't mind cold water: in January the sea averages just 8.3 °C. Comfortable swimming is possible from May to October.

Does it rain much in Hangzhou in January?

Rain is frequent, with about 10 rainy days and 75 mm in total.

Hangzhou month by month

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