| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 6.1° | -3° | 17.8mm | 3.5 | 41 |
| February | 9.4° | 0° | 22.9mm | 4.6 | 54 |
| March | 15.4° | 4.8° | 31.4mm | 5.2 | 75 |
| April | 21.6° | 10.8° | 34.4mm | 5.2 | 90 |
| May | 27.1° | 16.3° | 62.3mm | 5.4 | 89 |
| June | 31.3° | 21.4° | 128.7mm | 7 | 69 |
| July | 31.9° | 24.1° | 285.7mm | 12.1 | 56 |
| August | 31.1° | 23.6° | 145.5mm | 9.8 | 64 |
| September | 27.5° | 18.5° | 65.9mm | 6.4 | 85 |
| October | 22.3° | 12.1° | 31mm | 4.9 | 90 |
| November | 15° | 4.8° | 31.8mm | 4.3 | 75 |
| December | 7.9° | -1.3° | 16mm | 3.6 | 49 |
January in Tongshan averages a daily high of 6.1°C with nights around -3°C. Expect roughly 3.5 wet days totalling 17.8mm. Demanding conditions — pack for it and plan indoor options.
February in Tongshan averages a daily high of 9.4°C with nights around 0°C. Expect roughly 4.6 wet days totalling 22.9mm. Demanding conditions — pack for it and plan indoor options.
March in Tongshan averages a daily high of 15.4°C with nights around 4.8°C. Expect roughly 5.2 wet days totalling 31.4mm. Comfortable conditions for being outdoors all day.
April in Tongshan averages a daily high of 21.6°C with nights around 10.8°C. Expect roughly 5.2 wet days totalling 34.4mm. Comfortable conditions for being outdoors all day.
May in Tongshan averages a daily high of 27.1°C with nights around 16.3°C. Expect roughly 5.4 wet days totalling 62.3mm. Comfortable conditions for being outdoors all day.
June in Tongshan averages a daily high of 31.3°C with nights around 21.4°C. Expect roughly 7 wet days totalling 128.7mm. Generally workable, with some weather to plan around.
July in Tongshan averages a daily high of 31.9°C with nights around 24.1°C. Expect roughly 12.1 wet days totalling 285.7mm. Generally workable, with some weather to plan around.
August in Tongshan averages a daily high of 31.1°C with nights around 23.6°C. Expect roughly 9.8 wet days totalling 145.5mm. Generally workable, with some weather to plan around.
September in Tongshan averages a daily high of 27.5°C with nights around 18.5°C. Expect roughly 6.4 wet days totalling 65.9mm. Comfortable conditions for being outdoors all day.
October in Tongshan averages a daily high of 22.3°C with nights around 12.1°C. Expect roughly 4.9 wet days totalling 31mm. Comfortable conditions for being outdoors all day.
November in Tongshan averages a daily high of 15°C with nights around 4.8°C. Expect roughly 4.3 wet days totalling 31.8mm. Comfortable conditions for being outdoors all day.
December in Tongshan averages a daily high of 7.9°C with nights around -1.3°C. Expect roughly 3.6 wet days totalling 16mm. 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. Tongshan peaks at 90.
Based on 30 years of records, April–May scores highest for comfort in Tongshan, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 31.9°C.
July is the wettest, averaging 285.7mm of rain across roughly 12.1 wet days.
January is the coolest month, with average daily highs around 6.1°C.