Dandong, Liaoning Weather by Month and Climate Averages

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).

Dandong climate at a glance

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.

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. The sun is out about 67% of daylight hours. 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. The sun is out about 60% of daylight hours. 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. The sun is out about 55% of daylight hours. 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. The sun is out about 54% of daylight hours. 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. The sun is out about 42% of daylight hours. 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. The sun is out about 38% of daylight hours. 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. The sun is out about 30% of daylight hours. 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. The sun is out about 35% of daylight hours. 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. The sun is out about 49% of daylight hours. 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. The sun is out about 56% of daylight hours. 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. The sun is out about 59% of daylight hours. 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. The sun is out about 74% of daylight hours. 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 sunshine about 74% of daylight hours. July is the cloudiest, at 30%. Over the year the sun shines about 52% of daylight hours. 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

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 on record brought 247 mm of rain, 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

MonthPrecipRain daysHumiditySunshineSea tempRecord highRecord low
January6.6 mm356%67%-18°-26°
February15 mm455%60%-18°15°-24°
March21 mm458%55%-16°22°-21°
April56 mm755%54%-13°27°-7°
May93 mm968%42%-10°31°
June111 mm1178%38%-7°34°
July271 mm1484%30%-4°36°12°
August247 mm1283%35%-3°36°
September95 mm776%49%-5°32°
October56 mm668%56%-8°28°-6°
November40 mm666%59%-12°22°-15°
December15 mm459%74%-16°11°-22°

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?

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 sunshine about 74% of daylight hours. 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.

Source: NOAA GHCN-Daily station DANDONG (10 km away).

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Normals from NOAA GHCN-Daily station DANDONG.