| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -10.5° | -20.4° | 7.3mm | 3.8 | 22 |
| February | -5.4° | -16.3° | 5.3mm | 3.3 | 23 |
| March | 2.7° | -8.1° | 12.5mm | 5.2 | 20 |
| April | 13.4° | 1° | 25.6mm | 7 | 63 |
| May | 20.5° | 7.9° | 57.9mm | 11.3 | 77 |
| June | 25.3° | 13.9° | 92.3mm | 13.1 | 74 |
| July | 27.5° | 17.8° | 115.1mm | 13.5 | 71 |
| August | 26.4° | 16.4° | 113.3mm | 12.4 | 75 |
| September | 21.7° | 9.4° | 54.3mm | 8.4 | 83 |
| October | 13° | 1.3° | 27.9mm | 6.7 | 63 |
| November | 0.9° | -8.8° | 18.9mm | 6 | 18 |
| December | -8.9° | -17.9° | 8.6mm | 5.2 | 20 |
January in Hengshan averages a daily high of -10.5°C with nights around -20.4°C. Expect roughly 3.8 wet days totalling 7.3mm. A hard month to visit for comfort alone.
February in Hengshan averages a daily high of -5.4°C with nights around -16.3°C. Expect roughly 3.3 wet days totalling 5.3mm. A hard month to visit for comfort alone.
March in Hengshan averages a daily high of 2.7°C with nights around -8.1°C. Expect roughly 5.2 wet days totalling 12.5mm. A hard month to visit for comfort alone.
April in Hengshan averages a daily high of 13.4°C with nights around 1°C. Expect roughly 7 wet days totalling 25.6mm. Generally workable, with some weather to plan around.
May in Hengshan averages a daily high of 20.5°C with nights around 7.9°C. Expect roughly 11.3 wet days totalling 57.9mm. Comfortable conditions for being outdoors all day.
June in Hengshan averages a daily high of 25.3°C with nights around 13.9°C. Expect roughly 13.1 wet days totalling 92.3mm. Generally workable, with some weather to plan around.
July in Hengshan averages a daily high of 27.5°C with nights around 17.8°C. Expect roughly 13.5 wet days totalling 115.1mm. Generally workable, with some weather to plan around.
August in Hengshan averages a daily high of 26.4°C with nights around 16.4°C. Expect roughly 12.4 wet days totalling 113.3mm. Comfortable conditions for being outdoors all day.
September in Hengshan averages a daily high of 21.7°C with nights around 9.4°C. Expect roughly 8.4 wet days totalling 54.3mm. Comfortable conditions for being outdoors all day.
October in Hengshan averages a daily high of 13°C with nights around 1.3°C. Expect roughly 6.7 wet days totalling 27.9mm. Generally workable, with some weather to plan around.
November in Hengshan averages a daily high of 0.9°C with nights around -8.8°C. Expect roughly 6 wet days totalling 18.9mm. A hard month to visit for comfort alone.
December in Hengshan averages a daily high of -8.9°C with nights around -17.9°C. Expect roughly 5.2 wet days totalling 8.6mm. 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. Hengshan peaks at 83.
Based on 30 years of records, August–September scores highest for comfort in Hengshan, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 27.5°C.
July is the wettest, averaging 115.1mm of rain across roughly 13.5 wet days.
January is the coolest month, with average daily highs around -10.5°C.