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Dandong, Liaoning Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Dandong, Liaoning?
Dandong, Liaoning gets 1027 mm of precipitation a year over about 85 rainy days. August is the warmest month (average high 28°C) and January the coldest (average low -11°C).
Humid continental climate
Dandong, Liaoning has warm summers and cold winters. Daytime highs range from about -2°C in January to 28°C in August. July is usually the wettest month. The most comfortable time to visit is typically May to June and September to October, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -9° | 0° |
| Spring | Mar–May | 4° | 14° |
| Summer | Jun–Aug | 19° | 27° |
| Autumn | Sep–Nov | 7° | 17° |
How much rain does Dandong get?
Dandong gets 1027 mm of precipitation in an average year, spread over about 85 days with measurable rain. That is fewer rainy days than 58% of China.
July is the wettest month, with 271 mm. January is the driest, with 7 mm. July has the most rainy days, about 14.
The longest dry spell in the last five years lasted 39 days, to January 17, 2022.
Dandong weather by month
Dandong weather in January
In January, Dandong averages a high of -2°C and a low of -11°C. It gets 7 mm of precipitation over about 3 rainy days. Estimated sunshine is 67% of daylight hours, derived from ERA5 cloud cover. The January record high is 9°C (2021) and the record low is -26°C (1986).
Dandong weather in February
In February, Dandong averages a high of 2°C and a low of -8°C. It gets 15 mm of precipitation over about 4 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The February record high is 15°C (1998) and the record low is -24°C (1986).
Dandong weather in March
In March, Dandong averages a high of 8°C and a low of -2°C. It gets 21 mm of precipitation over about 4 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The March record high is 22°C (2014) and the record low is -21°C (1971).
Dandong weather in April
In April, Dandong averages a high of 15°C and a low of 4°C. It gets 56 mm of precipitation over about 7 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The April record high is 27°C (1994) and the record low is -7°C (1972).
Dandong weather in May
In May, Dandong averages a high of 21°C and a low of 11°C. It gets 93 mm of precipitation over about 9 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The May record high is 31°C (2009) and the record low is 2°C (1972). May is one of the most comfortable months to visit.
Dandong weather in June
In June, Dandong averages a high of 24°C and a low of 16°C. It gets 111 mm of precipitation over about 11 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The June record high is 34°C (1997) and the record low is 8°C (1980). June is one of the most comfortable months to visit.
Dandong weather in July
In July, Dandong averages a high of 27°C and a low of 21°C. It gets 271 mm of precipitation over about 14 rainy days. Estimated sunshine is 30% of daylight hours, derived from ERA5 cloud cover. The July record high is 36°C (1997) and the record low is 12°C (1976).
Dandong weather in August
In August, Dandong averages a high of 28°C and a low of 21°C. It gets 247 mm of precipitation over about 12 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The August record high is 36°C (2009) and the record low is 9°C (1972).
Dandong weather in September
In September, Dandong averages a high of 24°C and a low of 14°C. It gets 95 mm of precipitation over about 7 rainy days. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The September record high is 32°C (2010) and the record low is 3°C (1977). September is one of the most comfortable months to visit.
Dandong weather in October
In October, Dandong averages a high of 18°C and a low of 7°C. It gets 56 mm of precipitation over about 6 rainy days. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The October record high is 28°C (1982) and the record low is -6°C (2002). October is one of the most comfortable months to visit.
Dandong weather in November
In November, Dandong averages a high of 8°C and a low of -1°C. It gets 40 mm of precipitation over about 6 rainy days. Estimated sunshine is 59% of daylight hours, derived from ERA5 cloud cover. The November record high is 22°C (2024) and the record low is -15°C (1993).
Dandong weather in December
In December, Dandong averages a high of 0°C and a low of -9°C. It gets 15 mm of precipitation over about 4 rainy days. Estimated sunshine is 74% of daylight hours, derived from ERA5 cloud cover. The December record high is 11°C (1990) and the record low is -22°C (2023).
Sunshine, humidity and wind in Dandong
December is the sunniest month in Dandong, with estimated sunshine of 74% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 30%. The annual cloud-cover estimate is 52% of daylight hours; it is not a measurement of sunshine duration. Dandong is sunnier than 64% of China.
Humidity peaks in July at 84% and is lowest in February at 55%.
Dandong has about 4 days a year above 32°C. Dandong is cooler than 93% of China.
First and last freeze in Dandong
The first fall freeze in Dandong typically comes around October 26, and the last spring freeze around April 8. That leaves a frost-free growing season of about 201 days.
Dandong weather records
These records cover DANDONG during 1970–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Dandong station is 36°C, on August 12, 2009. The coldest is -26°C, on January 5, 1986.
The wettest day in the available station history brought 247 mm of precipitation, on August 5, 1972.
38 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.3°C per decade since 1970.
The best time to visit Dandong
The most comfortable time to visit is typically May to June and September to October, when daytime highs sit near 22°C.
Winter (December–February) is cold, with average highs around 0°C and lows near -9°C.
Spring (March–May) is mild, with average highs around 14°C and lows near 4°C.
Summer (June–August) is warm, with average highs around 27°C and lows near 19°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 17°C and lows near 7°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -11° | -2° | 6.6 mm | 3 | 56% | 67% | 9° | -26° |
| February | -8° | 2° | 15 mm | 4 | 55% | 60% | 15° | -24° |
| March | -2° | 8° | 21 mm | 4 | 58% | 55% | 22° | -21° |
| April | 4° | 15° | 56 mm | 7 | 55% | 54% | 27° | -7° |
| May | 11° | 21° | 93 mm | 9 | 68% | 42% | 31° | 2° |
| June | 16° | 24° | 111 mm | 11 | 78% | 38% | 34° | 8° |
| July | 21° | 27° | 271 mm | 14 | 84% | 30% | 36° | 12° |
| August | 21° | 28° | 247 mm | 12 | 83% | 35% | 36° | 9° |
| September | 14° | 24° | 95 mm | 7 | 76% | 49% | 32° | 3° |
| October | 7° | 18° | 56 mm | 6 | 68% | 56% | 28° | -6° |
| November | -1° | 8° | 40 mm | 6 | 66% | 59% | 22° | -15° |
| December | -9° | 0° | 15 mm | 4 | 59% | 74% | 11° | -22° |
Station: DANDONG, 10 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2025; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Dandong climate questions
How much rain does Dandong get?
Dandong gets 1027 mm of precipitation in an average year, over about 85 rainy days.
What is the wettest month in Dandong?
July is the wettest month in Dandong, with 271 mm. January is the driest, with 7 mm.
How many rainy days does Dandong have a year?
Dandong has about 85 days with measurable rain in an average year. July has the most, about 14.
What is the hottest month in Dandong?
August is the warmest month in Dandong, with an average high of 28°C.
What is the coldest month in Dandong?
January is the coldest month in Dandong, with an average low of -11°C.
What is the record high temperature in Dandong?
Within the available 1970–2025 station history, the record high at the Dandong station is 36°C, set on August 12, 2009. The record low is -26°C, on January 5, 1986.
What is the sunniest month in Dandong?
December is the sunniest month in Dandong, with estimated sunshine of 74% of daylight hours from ERA5 cloud cover. July is the cloudiest.
When is the first frost in Dandong?
The first fall freeze in Dandong typically comes around October 26. The last spring freeze is around April 8.
What is the best time to visit Dandong?
The most comfortable time to visit is typically May to June and September to October, when daytime highs sit near 22°C.