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Dalian, a major port city at the tip of the Liaodong Peninsula in Liaoning province, sits surrounded on three sides by the Yellow Sea in Northeast China, at approximately 38.91°N, 121.61°E. Its coastal, peninsular position gives it a monsoon-influenced humid continental climate (Köppen Dwa) strongly moderated by the sea — with milder winters, cooler summers and a smaller temperature range than inland Manchuria.
Summer, from June to August, is warm and humid rather than fiercely hot, with August the warmest month — average highs around 27–28°C — kept comfortable by cool sea breezes off the Yellow Sea. It is the wettest and most humid season, when the summer monsoon brings the bulk of the year's rain, often as showers and thunderstorms, and sea fog is common along the coast.
Winter, from December to February, is cold but far milder than inland Manchuria thanks to the sea, with January the coldest month — average highs around 1°C and lows near -6°C. It is dry, often sunny and windy, as the Siberian monsoon sweeps across the peninsula; the surrounding sea keeps hard freezes rarer and less severe than at cities of similar latitude inland.
Dalian receives around 600–650 mm of precipitation a year, concentrated in the summer months from June to August, while the winter is dry with light snow; the sea keeps humidity higher year-round than inland. Live rainfall, humidity, and pressure readings for the city are shown in the panels above.
Dalian's peninsular setting, almost surrounded by the Yellow Sea, is the key to its climate: the sea moderates both the summer heat and the winter cold, giving it milder, more even weather than the harsh continental interior of Northeast China, along with frequent coastal sea fog in the warmer months and refreshing sea breezes that make it a popular summer resort.
To follow any single measurement in Dalian more closely, use our live instruments: the online barometer for atmospheric pressure, the thermometer for temperature, the hygrometer for humidity, the anemometer for wind speed, the wind vane for wind direction, and the rain gauge for rainfall.