Climate averages 1991–2020

Dandong weather
in December.

A cold month with light precipitation: the 11th warmest and the joint 2nd driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 0.1°C Daytime mean, December
Average low -8.4°C Night-time mean, December
Precipitation 19 mm 4 days with ≥1 mm
Daylight 9 h Sunrise to sunset, per day
Every month in Dandong · average highYear overview

December is a cold month in Dandong: daytime highs average 0.1°C and nights cool to about -8.4°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 19 mm of precipitation on roughly 4 days, which makes December a month with light precipitation (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 23 min on an average December day.

The nearest other city in this atlas is Fengcheng (Liaoning), China (45 km away). In December its highs average -0.9°C, 1.0°C cooler than Dandong, with 17 mm of precipitation.

Among the 884 cities listed in China, Dandong ranks joint 723rd of 884 for the warmest December highs and joint 441st of 884 for the driest December (precipitation, lowest first). The mean December high of those 884 cities is 7.5°C; Dandong is 7.4°C cooler than that mean.

From December to January, average highs fall by 1.9°C to -1.8°C, and monthly precipitation falls from 19 mm to 9.8 mm.

The annual picture

December in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -15-10-5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Dandong climate table

1991–2020
Monthly climate averages for Dandong, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -1.8°C-11.7°C-11.7°C9.82.49.710 h
February 2.1°C-8.1°C-8.1°C193.210.711 h
March 8.0°C-2.8°C-2.8°C264.611.912 h
April 14.7°C3.5°C3.5°C556.913.213 h
May 20.3°C10.0°C10.0°C888.814.414 h
June 24.6°C16.0°C16.0°C11210.515.015 h
July 27.1°C20.4°C20.4°C22014.614.715 h
August 27.5°C20.5°C20.5°C22513.813.814 h
September 23.7°C14.5°C14.5°C857.012.512 h
October 16.6°C6.6°C6.6°C566.811.211 h
November 7.6°C-1.1°C-1.1°C466.610.010 h
December, selected 0.1°C-8.4°C-8.4°C193.99.49 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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

December in nearby cities

Distance from Dandong

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 limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Dandong) is explained once on the Dandong year overview and on the Sources, method and limits page.