| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -0.4° | -6.4° | 6.1mm | 2.7 | 27 |
| February | 2.6° | -3.7° | 8.4mm | 2.3 | 32 |
| March | 7.9° | 1° | 15.3mm | 3.4 | 53 |
| April | 14.7° | 7° | 37.4mm | 4.9 | 73 |
| May | 21.1° | 13.2° | 58.4mm | 6.1 | 88 |
| June | 24.7° | 17.8° | 83.5mm | 8 | 84 |
| July | 27° | 21.5° | 151.8mm | 10.1 | 80 |
| August | 27.5° | 22° | 160.4mm | 9.2 | 80 |
| September | 24.3° | 18.1° | 67.7mm | 5.1 | 90 |
| October | 17.9° | 11.4° | 42.1mm | 5.4 | 82 |
| November | 9.8° | 3.1° | 25.8mm | 4.4 | 59 |
| December | 2.6° | -3.6° | 10.3mm | 3.4 | 30 |
January in Dalianwan averages a daily high of -0.4°C with nights around -6.4°C. Rain is rare — about 2.7 wet days and 6.1mm across the month. A hard month to visit for comfort alone.
February in Dalianwan averages a daily high of 2.6°C with nights around -3.7°C. Rain is rare — about 2.3 wet days and 8.4mm across the month. A hard month to visit for comfort alone.
March in Dalianwan averages a daily high of 7.9°C with nights around 1°C. Expect roughly 3.4 wet days totalling 15.3mm. Demanding conditions — pack for it and plan indoor options.
April in Dalianwan averages a daily high of 14.7°C with nights around 7°C. Expect roughly 4.9 wet days totalling 37.4mm. Generally workable, with some weather to plan around.
May in Dalianwan averages a daily high of 21.1°C with nights around 13.2°C. Expect roughly 6.1 wet days totalling 58.4mm. Comfortable conditions for being outdoors all day.
June in Dalianwan averages a daily high of 24.7°C with nights around 17.8°C. Expect roughly 8 wet days totalling 83.5mm. Comfortable conditions for being outdoors all day.
July in Dalianwan averages a daily high of 27°C with nights around 21.5°C. Expect roughly 10.1 wet days totalling 151.8mm. Comfortable conditions for being outdoors all day.
August in Dalianwan averages a daily high of 27.5°C with nights around 22°C. Expect roughly 9.2 wet days totalling 160.4mm. Comfortable conditions for being outdoors all day.
September in Dalianwan averages a daily high of 24.3°C with nights around 18.1°C. Expect roughly 5.1 wet days totalling 67.7mm. Comfortable conditions for being outdoors all day.
October in Dalianwan averages a daily high of 17.9°C with nights around 11.4°C. Expect roughly 5.4 wet days totalling 42.1mm. Comfortable conditions for being outdoors all day.
November in Dalianwan averages a daily high of 9.8°C with nights around 3.1°C. Expect roughly 4.4 wet days totalling 25.8mm. Generally workable, with some weather to plan around.
December in Dalianwan averages a daily high of 2.6°C with nights around -3.6°C. Expect roughly 3.4 wet days totalling 10.3mm. A hard month to visit for comfort alone.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Dalianwan peaks at 90.
Based on 30 years of records, May–June scores highest for comfort in Dalianwan, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 27.5°C.
August is the wettest, averaging 160.4mm of rain across roughly 9.2 wet days.
January is the coolest month, with average daily highs around -0.4°C.