Dandong Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Dandong.
Climate overview of Dandong
Dandong, China, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in August, while winters cool to -1°C (30°F) in January.
With around 1001 mm (39 in) of annual rain/snowfall, Dandong has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has a distinct dry season from December to March, with warm summers and very cold winters. The wettest month is July.
Dandong Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dandong - and find the best time to visit.
Monthly Temperature in Dandong
Depending on the time of the year, temperatures range from comfortable to very cold in Dandong. Average daytime temperatures reach a comfortable 29°C (84°F) in August. In January, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 21°C (70°F) in August to -12°C (10°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dandong
Dandong has a relatively rain/snowy climate with high precipitation levels, averaging 1001 mm (39 in) of rain/snowfall annually. Dandong can be quite wet during July, receiving approximately 233 mm (9.2 in) of precipitation over 18 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 11 mm (0.4 in) of precipitation spread across 4 snowy days. For more details, please visit our Dandong Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Dandong
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and September
- Warmest weather: July and August
- Fewest rainy days: January, February, March and December
- Wettest months: June, July and August, when rainfall is highest.
- Seasonal pattern: A distinct dry season from December to March, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Dandong
What is the best time to visit Dandong?
May and September typically offer the most optimal weather in Dandong. In contrast, January, February, November and December tend to have less optimal conditions. Dandong has a distinct dry season from December to March, with warm summers and very cold winters.
What temperatures can I expect in Dandong?
Daytime highs range from -1°C (30°F) in January to 29°C (84°F) in August. Nighttime lows range from -12°C (10°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Dandong get?
Annual rainfall is around 1001 mm (39 in). July is the wettest month with 233 mm (9.2 in), while January is the driest with 11 mm (0.4 in).
Dandong 3-Day Forecast
Dandong on the map
Dandong is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Hangzhou
34°C (93°F) Guangzhou34°C (93°F) Shanghai32°C (90°F) Xi'an
33°C (91°F) Beijing32°C (90°F) Shenzhen32°C (90°F) Chengdu31°C (88°F) Qingdao29°C (84°F) 
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