Dalian 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
Poor
Best time to visit: May – October
What is the weather like in Dalian in December?
In December, Dalian is cold: daytime highs average 3 °C, and nights often drop below freezing (−2 °C). The sea averages 9.5 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Precipitation, often as snow, falls on about 3 days, totalling 11 mm. It is often windy, with gusts of around 30 km/h. All in all, December is not an ideal month for a holiday in Dalian.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 47 | 38 | 41 |
| Day | 10° | 3° | 0° |
| Night | 5° | −2° | −4° |
| Sea | 14° | 10° | 5° |
| Sun | 6 h | 6 h | 6 h |
| Rain days | 4 | 3 | 2 |
More details for December
- Daylight
- 9 h 28 min07:05 – 16:33
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 30 km/haverage daily peakAll months
- Cloud cover
- 44 %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 %0 %
- Sunshineweight 20 %42 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Warm jacket
- Windproof jacket
Dalian in December: quick answers
Is Dalian hot in December?
No. In December, Dalian is cold: daytime highs average 3 °C and nights drop to about −2 °C.
Can you swim in Dalian in December?
Only if you don't mind cold water: in December the sea averages just 9.5 °C. Comfortable swimming is possible from July to September.
Does it rain much in Dalian in December?
Rain is rare: about 3 days bring 11 mm in total.
Dalian month by month
The whole year in DalianAll 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