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Weather by month

Dalian Weather by Month

Average temperatures, rainfall and humidity for Dalian, China, month by month, built from OpenWeather’s historical records. Use it to see what a typical Dalian month looks like before you travel — then check the live Dalian forecast for the days ahead.

Warmest month

August

30°C average high

Coolest month

January

-7°C average low

Wettest month

August

48 mm of rain

Driest month

January

2 mm of rain

Average temperature and rainfall in Dalian by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

Month	Avg high	Avg low	Record low / high	Rainfall	Humidity	Wind
January	2°C	-7°C	-18°C / 27°C	2 mm	64%	13 km/h
February	4°C	-4°C	-15°C / 19°C	10 mm	61%	14 km/h
March	10°C	2°C	-7°C / 25°C	16 mm	56%	15 km/h
April	16°C	8°C	-1°C / 30°C	24 mm	54%	16 km/h
May	22°C	14°C	5°C / 34°C	35 mm	62%	16 km/h
June	27°C	19°C	12°C / 35°C	33 mm	68%	13 km/h
July	29°C	23°C	18°C / 37°C	45 mm	78%	12 km/h
August	30°C	24°C	14°C / 38°C	48 mm	76%	11 km/h
September	26°C	19°C	8°C / 32°C	32 mm	68%	12 km/h
October	18°C	10°C	-1°C / 28°C	27 mm	66%	13 km/h
November	11°C	2°C	-10°C / 27°C	18 mm	63%	13 km/h
December	3°C	-5°C	-16°C / 17°C	3 mm	62%	13 km/h

Best time to visit Dalian

The most comfortable time to visit Dalian is generally May to June and September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around August, totalling about 293 mm a year.

Travellers who prefer heat should aim for August, when highs average 30°C. August is the month to avoid if rain would spoil your plans — it averages 48 mm, roughly 22× the rainfall of the driest month (January).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Dalian forecast for what is happening now.