| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -15.2° | -25.4° | 6.8mm | 5.1 | 20 |
| February | -9.4° | -22.1° | 7.2mm | 3.7 | 23 |
| March | 0° | -12.2° | 10.1mm | 3.8 | 22 |
| April | 11.4° | -0.9° | 25.2mm | 5.8 | 57 |
| May | 19.7° | 7.1° | 57.2mm | 10.1 | 79 |
| June | 25.5° | 14° | 87.4mm | 11.9 | 76 |
| July | 28° | 17.6° | 135.2mm | 13 | 70 |
| August | 25.4° | 15.5° | 114.6mm | 12.6 | 75 |
| September | 19.5° | 7.9° | 58.7mm | 9.3 | 80 |
| October | 9.3° | -1.2° | 25.7mm | 6.4 | 48 |
| November | -4.5° | -13.8° | 15.6mm | 6.2 | 18 |
| December | -14.7° | -23.8° | 10.1mm | 5.9 | 18 |
January in Aihui averages a daily high of -15.2°C with nights around -25.4°C. Expect roughly 5.1 wet days totalling 6.8mm. A hard month to visit for comfort alone.
February in Aihui averages a daily high of -9.4°C with nights around -22.1°C. Expect roughly 3.7 wet days totalling 7.2mm. A hard month to visit for comfort alone.
March in Aihui averages a daily high of 0°C with nights around -12.2°C. Expect roughly 3.8 wet days totalling 10.1mm. A hard month to visit for comfort alone.
April in Aihui averages a daily high of 11.4°C with nights around -0.9°C. Expect roughly 5.8 wet days totalling 25.2mm. Generally workable, with some weather to plan around.
May in Aihui averages a daily high of 19.7°C with nights around 7.1°C. Expect roughly 10.1 wet days totalling 57.2mm. Comfortable conditions for being outdoors all day.
June in Aihui averages a daily high of 25.5°C with nights around 14°C. Expect roughly 11.9 wet days totalling 87.4mm. Comfortable conditions for being outdoors all day.
July in Aihui averages a daily high of 28°C with nights around 17.6°C. Expect roughly 13 wet days totalling 135.2mm. Generally workable, with some weather to plan around.
August in Aihui averages a daily high of 25.4°C with nights around 15.5°C. Expect roughly 12.6 wet days totalling 114.6mm. Comfortable conditions for being outdoors all day.
September in Aihui averages a daily high of 19.5°C with nights around 7.9°C. Expect roughly 9.3 wet days totalling 58.7mm. Comfortable conditions for being outdoors all day.
October in Aihui averages a daily high of 9.3°C with nights around -1.2°C. Expect roughly 6.4 wet days totalling 25.7mm. Demanding conditions — pack for it and plan indoor options.
November in Aihui averages a daily high of -4.5°C with nights around -13.8°C. Expect roughly 6.2 wet days totalling 15.6mm. A hard month to visit for comfort alone.
December in Aihui averages a daily high of -14.7°C with nights around -23.8°C. Expect roughly 5.9 wet days totalling 10.1mm. 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. Aihui peaks at 80.
Based on 30 years of records, May–June scores highest for comfort in Aihui, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 28°C.
July is the wettest, averaging 135.2mm of rain across roughly 13 wet days.
January is the coolest month, with average daily highs around -15.2°C.