| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -2.7° | -12.7° | 5.3mm | 2.1 | 26 |
| February | 1.1° | -8.5° | 7.2mm | 2 | 26 |
| March | 7.8° | -1.3° | 14.3mm | 3.2 | 50 |
| April | 16° | 6.6° | 36.8mm | 5.5 | 76 |
| May | 22.4° | 13.4° | 54.3mm | 7.3 | 85 |
| June | 26.3° | 18.9° | 74.6mm | 8.9 | 82 |
| July | 28.9° | 22.3° | 163mm | 9.5 | 73 |
| August | 28.5° | 21.3° | 175.9mm | 8.8 | 76 |
| September | 24.6° | 15.2° | 51.9mm | 6.2 | 88 |
| October | 17.2° | 7.3° | 52.1mm | 5.5 | 80 |
| November | 7.6° | -1.8° | 28.7mm | 4 | 47 |
| December | -0.3° | -9.7° | 7.6mm | 2 | 26 |
January in Yingkou averages a daily high of -2.7°C with nights around -12.7°C. Rain is rare — about 2.1 wet days and 5.3mm across the month. A hard month to visit for comfort alone.
February in Yingkou averages a daily high of 1.1°C with nights around -8.5°C. Rain is rare — about 2 wet days and 7.2mm across the month. A hard month to visit for comfort alone.
March in Yingkou averages a daily high of 7.8°C with nights around -1.3°C. Expect roughly 3.2 wet days totalling 14.3mm. Demanding conditions — pack for it and plan indoor options.
April in Yingkou averages a daily high of 16°C with nights around 6.6°C. Expect roughly 5.5 wet days totalling 36.8mm. Comfortable conditions for being outdoors all day.
May in Yingkou averages a daily high of 22.4°C with nights around 13.4°C. Expect roughly 7.3 wet days totalling 54.3mm. Comfortable conditions for being outdoors all day.
June in Yingkou averages a daily high of 26.3°C with nights around 18.9°C. Expect roughly 8.9 wet days totalling 74.6mm. Comfortable conditions for being outdoors all day.
July in Yingkou averages a daily high of 28.9°C with nights around 22.3°C. Expect roughly 9.5 wet days totalling 163mm. Generally workable, with some weather to plan around.
August in Yingkou averages a daily high of 28.5°C with nights around 21.3°C. Expect roughly 8.8 wet days totalling 175.9mm. Comfortable conditions for being outdoors all day.
September in Yingkou averages a daily high of 24.6°C with nights around 15.2°C. Expect roughly 6.2 wet days totalling 51.9mm. Comfortable conditions for being outdoors all day.
October in Yingkou averages a daily high of 17.2°C with nights around 7.3°C. Expect roughly 5.5 wet days totalling 52.1mm. Comfortable conditions for being outdoors all day.
November in Yingkou averages a daily high of 7.6°C with nights around -1.8°C. Expect roughly 4 wet days totalling 28.7mm. Demanding conditions — pack for it and plan indoor options.
December in Yingkou averages a daily high of -0.3°C with nights around -9.7°C. Rain is rare — about 2 wet days and 7.6mm across the month. 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. Yingkou peaks at 88.
Based on 30 years of records, May–June scores highest for comfort in Yingkou, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 28.9°C.
August is the wettest, averaging 175.9mm of rain across roughly 8.8 wet days.
January is the coolest month, with average daily highs around -2.7°C.