| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 16.8° | 2.7° | 22.1mm | 3.6 | 83 |
| February | 18.7° | 4.1° | 22.8mm | 4.3 | 87 |
| March | 21.9° | 7.5° | 36.1mm | 7.1 | 86 |
| April | 23.9° | 10.7° | 71.6mm | 11.7 | 77 |
| May | 24.4° | 14.4° | 170.5mm | 16.3 | 70 |
| June | 24° | 17.6° | 218.1mm | 22.2 | 70 |
| July | 24° | 18° | 292.1mm | 26.3 | 70 |
| August | 25° | 17.9° | 272.9mm | 24.6 | 70 |
| September | 24.9° | 16.8° | 187mm | 19.3 | 70 |
| October | 23.4° | 13.9° | 133mm | 12.9 | 74 |
| November | 20.4° | 8.1° | 37.2mm | 4.8 | 90 |
| December | 17.6° | 4.3° | 15.1mm | 2.5 | 87 |
January in Jietou averages a daily high of 16.8°C with nights around 2.7°C. Expect roughly 3.6 wet days totalling 22.1mm. Comfortable conditions for being outdoors all day.
February in Jietou averages a daily high of 18.7°C with nights around 4.1°C. Expect roughly 4.3 wet days totalling 22.8mm. Comfortable conditions for being outdoors all day.
March in Jietou averages a daily high of 21.9°C with nights around 7.5°C. Expect roughly 7.1 wet days totalling 36.1mm. Comfortable conditions for being outdoors all day.
April in Jietou averages a daily high of 23.9°C with nights around 10.7°C. Expect roughly 11.7 wet days totalling 71.6mm. Comfortable conditions for being outdoors all day.
May in Jietou averages a daily high of 24.4°C with nights around 14.4°C. Expect roughly 16.3 wet days totalling 170.5mm. Generally workable, with some weather to plan around.
June in Jietou averages a daily high of 24°C with nights around 17.6°C. Expect roughly 22.2 wet days totalling 218.1mm. Generally workable, with some weather to plan around.
July in Jietou averages a daily high of 24°C with nights around 18°C. Expect roughly 26.3 wet days totalling 292.1mm. Generally workable, with some weather to plan around.
August in Jietou averages a daily high of 25°C with nights around 17.9°C. Expect roughly 24.6 wet days totalling 272.9mm. Generally workable, with some weather to plan around.
September in Jietou averages a daily high of 24.9°C with nights around 16.8°C. Expect roughly 19.3 wet days totalling 187mm. Generally workable, with some weather to plan around.
October in Jietou averages a daily high of 23.4°C with nights around 13.9°C. Expect roughly 12.9 wet days totalling 133mm. Generally workable, with some weather to plan around.
November in Jietou averages a daily high of 20.4°C with nights around 8.1°C. Expect roughly 4.8 wet days totalling 37.2mm. Comfortable conditions for being outdoors all day.
December in Jietou averages a daily high of 17.6°C with nights around 4.3°C. Rain is rare — about 2.5 wet days and 15.1mm across the month. Comfortable conditions for being outdoors all day.
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. Jietou peaks at 90.
Based on 30 years of records, November–March scores highest for comfort in Jietou, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 25°C.
July is the wettest, averaging 292.1mm of rain across roughly 26.3 wet days.
January is the coolest month, with average daily highs around 16.8°C.