Dalian, Liaoning Weather by Month and Climate Averages

Dalian, Liaoning gets 627 mm of precipitation a year over about 67 rainy days. August is the warmest month (average high 28°C) and January the coldest (average low -6°C).

Dalian climate at a glance

Humid continental climate

Dalian, Liaoning has warm summers and cold winters. Daytime highs range from about 0°C in January to 28°C in August. August 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 Dalian get?

Dalian gets 627 mm of precipitation in an average year, spread over about 67 days with measurable rain. That is fewer rainy days than 77% of China.

August is the wettest month, with 181 mm. January is the driest, with 6 mm. July has the most rainy days, about 10.

The longest dry spell in the last five years lasted 54 days, to January 25, 2025.

Dalian weather by month

Dalian weather in January

In January, Dalian averages a high of 0°C and a low of -6°C. It gets 6 mm of precipitation over about 3 rainy days. The sun is out about 58% of daylight hours. The January record high is 10°C (2002) and the record low is -21°C (1970).

Dalian weather in February

In February, Dalian averages a high of 3°C and a low of -4°C. It gets 9 mm of precipitation over about 3 rainy days. The sun is out about 58% of daylight hours. The February record high is 14°C (1992) and the record low is -17°C (1979).

Dalian weather in March

In March, Dalian averages a high of 8°C and a low of 1°C. It gets 11 mm of precipitation over about 3 rainy days. The sun is out about 60% of daylight hours. The March record high is 26°C (2025) and the record low is -16°C (1971).

Dalian weather in April

In April, Dalian averages a high of 15°C and a low of 7°C. It gets 36 mm of precipitation over about 5 rainy days. The sun is out about 58% of daylight hours. The April record high is 28°C (2004) and the record low is -3°C (1972).

Dalian weather in May

In May, Dalian averages a high of 21°C and a low of 13°C. It gets 59 mm of precipitation over about 6 rainy days. The sun is out about 51% of daylight hours. The May record high is 34°C (1979) and the record low is 4°C (1977). May is one of the most comfortable months to visit.

Dalian weather in June

In June, Dalian averages a high of 25°C and a low of 18°C. It gets 72 mm of precipitation over about 8 rainy days. The sun is out about 49% of daylight hours. The June record high is 36°C (1972) and the record low is 11°C (2010). June is one of the most comfortable months to visit.

Dalian weather in July

In July, Dalian averages a high of 27°C and a low of 22°C. It gets 124 mm of precipitation over about 10 rainy days. The sun is out about 43% of daylight hours. The July record high is 37°C (2015) and the record low is 14°C (1976).

Dalian weather in August

In August, Dalian averages a high of 28°C and a low of 22°C. It gets 181 mm of precipitation over about 9 rainy days. The sun is out about 53% of daylight hours. The August record high is 33°C (2024) and the record low is 16°C (2004).

Dalian weather in September

In September, Dalian averages a high of 24°C and a low of 18°C. It gets 53 mm of precipitation over about 5 rainy days. The sun is out about 61% of daylight hours. The September record high is 33°C (2002) and the record low is 7°C (2014). September is one of the most comfortable months to visit.

Dalian weather in October

In October, Dalian averages a high of 18°C and a low of 11°C. It gets 38 mm of precipitation over about 6 rainy days. The sun is out about 59% of daylight hours. The October record high is 28°C (2006) and the record low is -1°C (1976). October is one of the most comfortable months to visit.

Dalian weather in November

In November, Dalian averages a high of 10°C and a low of 3°C. It gets 28 mm of precipitation over about 5 rainy days. The sun is out about 52% of daylight hours. The November record high is 24°C (2023) and the record low is -13°C (1987).

Dalian weather in December

In December, Dalian averages a high of 3°C and a low of -3°C. It gets 10 mm of precipitation over about 4 rainy days. The sun is out about 57% of daylight hours. The December record high is 16°C (2023) and the record low is -17°C (1976).

Sunshine, humidity and wind in Dalian

September is the sunniest month in Dalian, with sunshine about 61% of daylight hours. July is the cloudiest, at 43%. Over the year the sun shines about 55% of daylight hours. Dalian is sunnier than 70% of China.

Humidity peaks in July at 87% and is lowest in December at 61%.

Dalian has about 3 days a year above 32°C. Dalian is cooler than 93% of China.

First and last freeze in Dalian

The first fall freeze in Dalian typically comes around November 14, and the last spring freeze around March 25. That leaves a frost-free growing season of about 234 days.

Dalian weather records

The hottest temperature on record at the Dalian station is 37°C, on July 14, 2015. The coldest is -21°C, on January 4, 1970.

The wettest day on record brought 232 mm of rain, on September 1, 1992.

39 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 Dalian

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 2°C and lows near -5°C.

Spring (March–May) is mild, with average highs around 15°C and lows near 7°C.

Summer (June–August) is warm, with average highs around 26°C and lows near 20°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 17°C and lows near 11°C.

Monthly climate

MonthPrecipRain daysHumiditySunshineSea tempRecord highRecord low
January6.1 mm366%58%-16°10°-21°
February8.9 mm366%58%-17°14°-17°
March11 mm370%60%-16°26°-16°
April36 mm570%58%-13°28°-3°
May59 mm675%51%-11°34°
June72 mm883%49%-7°36°11°
July124 mm1087%43%-5°37°14°
August181 mm982%53%-3°33°16°
September53 mm574%61%-5°33°
October38 mm665%59%-8°28°-1°
November28 mm566%52%-11°24°-13°
December9.9 mm461%57%-13°16°-17°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Dalian climate questions

How much rain does Dalian get?

Dalian gets 627 mm of precipitation in an average year, over about 67 rainy days.

What is the wettest month in Dalian?

August is the wettest month in Dalian, with 181 mm. January is the driest, with 6 mm.

How many rainy days does Dalian have a year?

Dalian has about 67 days with measurable rain in an average year. July has the most, about 10.

What is the hottest month in Dalian?

August is the warmest month in Dalian, with an average high of 28°C.

What is the coldest month in Dalian?

January is the coldest month in Dalian, with an average low of -6°C.

What is the record high temperature in Dalian?

The record high at the Dalian station is 37°C, set on July 14, 2015. The record low is -21°C, on January 4, 1970.

What is the sunniest month in Dalian?

September is the sunniest month in Dalian, with sunshine about 61% of daylight hours. July is the cloudiest.

When is the first frost in Dalian?

The first fall freeze in Dalian typically comes around November 14. The last spring freeze is around March 25.

What is the best time to visit Dalian?

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 DALIAN (3 km away).

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Normals from NOAA GHCN-Daily station DALIAN.