| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 10.8° | 5.8° | 22.9mm | 10.8 | 49 |
| February | 14° | 7.9° | 21.8mm | 8.3 | 64 |
| March | 19.4° | 11.4° | 32.9mm | 10.9 | 76 |
| April | 24.4° | 15.6° | 64.1mm | 12.4 | 75 |
| May | 27.7° | 19.1° | 99.2mm | 13.1 | 71 |
| June | 29.2° | 21.6° | 163.8mm | 16.7 | 61 |
| July | 32.2° | 23.8° | 193.2mm | 13.4 | 52 |
| August | 32.3° | 23.7° | 175.1mm | 12.3 | 54 |
| September | 28° | 20.8° | 133.6mm | 14.9 | 66 |
| October | 21.9° | 16.5° | 65.7mm | 15.9 | 70 |
| November | 17.6° | 12.3° | 30.7mm | 9.6 | 73 |
| December | 11.9° | 7.3° | 21.4mm | 10 | 54 |
January in Yibin averages a daily high of 10.8°C with nights around 5.8°C. Expect roughly 10.8 wet days totalling 22.9mm. Demanding conditions — pack for it and plan indoor options.
February in Yibin averages a daily high of 14°C with nights around 7.9°C. Expect roughly 8.3 wet days totalling 21.8mm. Generally workable, with some weather to plan around.
March in Yibin averages a daily high of 19.4°C with nights around 11.4°C. Expect roughly 10.9 wet days totalling 32.9mm. Comfortable conditions for being outdoors all day.
April in Yibin averages a daily high of 24.4°C with nights around 15.6°C. Expect roughly 12.4 wet days totalling 64.1mm. Comfortable conditions for being outdoors all day.
May in Yibin averages a daily high of 27.7°C with nights around 19.1°C. Expect roughly 13.1 wet days totalling 99.2mm. Generally workable, with some weather to plan around.
June in Yibin averages a daily high of 29.2°C with nights around 21.6°C. Expect roughly 16.7 wet days totalling 163.8mm. Generally workable, with some weather to plan around.
July in Yibin averages a daily high of 32.2°C with nights around 23.8°C. Expect roughly 13.4 wet days totalling 193.2mm. Demanding conditions — pack for it and plan indoor options.
August in Yibin averages a daily high of 32.3°C with nights around 23.7°C. Expect roughly 12.3 wet days totalling 175.1mm. Demanding conditions — pack for it and plan indoor options.
September in Yibin averages a daily high of 28°C with nights around 20.8°C. Expect roughly 14.9 wet days totalling 133.6mm. Generally workable, with some weather to plan around.
October in Yibin averages a daily high of 21.9°C with nights around 16.5°C. Expect roughly 15.9 wet days totalling 65.7mm. Generally workable, with some weather to plan around.
November in Yibin averages a daily high of 17.6°C with nights around 12.3°C. Expect roughly 9.6 wet days totalling 30.7mm. Generally workable, with some weather to plan around.
December in Yibin averages a daily high of 11.9°C with nights around 7.3°C. Expect roughly 10 wet days totalling 21.4mm. Demanding conditions — pack for it and plan indoor options.
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. Yibin peaks at 76.
Based on 30 years of records, March–May scores highest for comfort in Yibin, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 32.3°C.
July is the wettest, averaging 193.2mm of rain across roughly 13.4 wet days.
January is the coolest month, with average daily highs around 10.8°C.