| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -4.5° | -17.5° | 7.2mm | 3 | 24 |
| February | 0.3° | -12.3° | 9.3mm | 2.7 | 25 |
| March | 7.8° | -3.9° | 19.5mm | 4.5 | 43 |
| April | 17.4° | 4.3° | 37.7mm | 5.4 | 81 |
| May | 24.1° | 11.3° | 61.8mm | 9 | 82 |
| June | 27.8° | 17° | 93.8mm | 10.4 | 76 |
| July | 29.7° | 20.6° | 188.9mm | 11.7 | 66 |
| August | 29° | 19.2° | 169.8mm | 10.2 | 72 |
| September | 24.7° | 12.4° | 55.4mm | 6 | 88 |
| October | 16.9° | 4° | 48.7mm | 6.1 | 78 |
| November | 6.2° | -5° | 30.5mm | 5.6 | 34 |
| December | -2.3° | -14.1° | 11.5mm | 3.3 | 23 |
January in Sujiatun averages a daily high of -4.5°C with nights around -17.5°C. Expect roughly 3 wet days totalling 7.2mm. A hard month to visit for comfort alone.
February in Sujiatun averages a daily high of 0.3°C with nights around -12.3°C. Rain is rare — about 2.7 wet days and 9.3mm across the month. A hard month to visit for comfort alone.
March in Sujiatun averages a daily high of 7.8°C with nights around -3.9°C. Expect roughly 4.5 wet days totalling 19.5mm. Demanding conditions — pack for it and plan indoor options.
April in Sujiatun averages a daily high of 17.4°C with nights around 4.3°C. Expect roughly 5.4 wet days totalling 37.7mm. Comfortable conditions for being outdoors all day.
May in Sujiatun averages a daily high of 24.1°C with nights around 11.3°C. Expect roughly 9 wet days totalling 61.8mm. Comfortable conditions for being outdoors all day.
June in Sujiatun averages a daily high of 27.8°C with nights around 17°C. Expect roughly 10.4 wet days totalling 93.8mm. Comfortable conditions for being outdoors all day.
July in Sujiatun averages a daily high of 29.7°C with nights around 20.6°C. Expect roughly 11.7 wet days totalling 188.9mm. Generally workable, with some weather to plan around.
August in Sujiatun averages a daily high of 29°C with nights around 19.2°C. Expect roughly 10.2 wet days totalling 169.8mm. Generally workable, with some weather to plan around.
September in Sujiatun averages a daily high of 24.7°C with nights around 12.4°C. Expect roughly 6 wet days totalling 55.4mm. Comfortable conditions for being outdoors all day.
October in Sujiatun averages a daily high of 16.9°C with nights around 4°C. Expect roughly 6.1 wet days totalling 48.7mm. Comfortable conditions for being outdoors all day.
November in Sujiatun averages a daily high of 6.2°C with nights around -5°C. Expect roughly 5.6 wet days totalling 30.5mm. A hard month to visit for comfort alone.
December in Sujiatun averages a daily high of -2.3°C with nights around -14.1°C. Expect roughly 3.3 wet days totalling 11.5mm. 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. Sujiatun peaks at 88.
Based on 30 years of records, April–May scores highest for comfort in Sujiatun, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 29.7°C.
July is the wettest, averaging 188.9mm of rain across roughly 11.7 wet days.
January is the coolest month, with average daily highs around -4.5°C.