| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 2.3° | -10.3° | 3.4mm | 1.7 | 27 |
| February | 6.9° | -6.1° | 6.6mm | 2.3 | 41 |
| March | 13.3° | -0.5° | 9.6mm | 2.9 | 69 |
| April | 20.5° | 6.1° | 20.3mm | 5 | 90 |
| May | 26.1° | 12° | 32.4mm | 5.5 | 89 |
| June | 29.6° | 16.4° | 51.1mm | 8.4 | 73 |
| July | 30.4° | 19.3° | 103.6mm | 9.6 | 67 |
| August | 28.4° | 17.8° | 105mm | 9.6 | 75 |
| September | 24.3° | 12.2° | 62.4mm | 7.6 | 85 |
| October | 18.5° | 5.2° | 32.9mm | 5.6 | 84 |
| November | 10.5° | -2.2° | 13.2mm | 2.6 | 58 |
| December | 3.7° | -8.4° | 2.9mm | 1.3 | 30 |
January in Taiyuan averages a daily high of 2.3°C with nights around -10.3°C. Rain is rare — about 1.7 wet days and 3.4mm across the month. A hard month to visit for comfort alone.
February in Taiyuan averages a daily high of 6.9°C with nights around -6.1°C. Rain is rare — about 2.3 wet days and 6.6mm across the month. Demanding conditions — pack for it and plan indoor options.
March in Taiyuan averages a daily high of 13.3°C with nights around -0.5°C. Rain is rare — about 2.9 wet days and 9.6mm across the month. Generally workable, with some weather to plan around.
April in Taiyuan averages a daily high of 20.5°C with nights around 6.1°C. Expect roughly 5 wet days totalling 20.3mm. Comfortable conditions for being outdoors all day.
May in Taiyuan averages a daily high of 26.1°C with nights around 12°C. Expect roughly 5.5 wet days totalling 32.4mm. Comfortable conditions for being outdoors all day.
June in Taiyuan averages a daily high of 29.6°C with nights around 16.4°C. Expect roughly 8.4 wet days totalling 51.1mm. Generally workable, with some weather to plan around.
July in Taiyuan averages a daily high of 30.4°C with nights around 19.3°C. Expect roughly 9.6 wet days totalling 103.6mm. Generally workable, with some weather to plan around.
August in Taiyuan averages a daily high of 28.4°C with nights around 17.8°C. Expect roughly 9.6 wet days totalling 105mm. Comfortable conditions for being outdoors all day.
September in Taiyuan averages a daily high of 24.3°C with nights around 12.2°C. Expect roughly 7.6 wet days totalling 62.4mm. Comfortable conditions for being outdoors all day.
October in Taiyuan averages a daily high of 18.5°C with nights around 5.2°C. Expect roughly 5.6 wet days totalling 32.9mm. Comfortable conditions for being outdoors all day.
November in Taiyuan averages a daily high of 10.5°C with nights around -2.2°C. Rain is rare — about 2.6 wet days and 13.2mm across the month. Generally workable, with some weather to plan around.
December in Taiyuan averages a daily high of 3.7°C with nights around -8.4°C. Rain is rare — about 1.3 wet days and 2.9mm 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. Taiyuan peaks at 90.
Based on 30 years of records, April–May scores highest for comfort in Taiyuan, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 30.4°C.
August is the wettest, averaging 105mm of rain across roughly 9.6 wet days.
January is the coolest month, with average daily highs around 2.3°C.