| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 14.7° | 8.5° | 43.6mm | 10 | 63 |
| February | 17° | 10.6° | 39mm | 10.2 | 70 |
| March | 20.7° | 13.9° | 76.6mm | 14.6 | 71 |
| April | 25.6° | 18.1° | 113.1mm | 14.1 | 72 |
| May | 29.5° | 21.6° | 205.7mm | 14.6 | 61 |
| June | 31.3° | 24.2° | 314mm | 17 | 53 |
| July | 33.2° | 25.4° | 229.8mm | 14.8 | 46 |
| August | 33.2° | 24.9° | 172.2mm | 12.7 | 50 |
| September | 31.6° | 23° | 101.2mm | 8.4 | 65 |
| October | 27.5° | 19.4° | 76.5mm | 7.1 | 84 |
| November | 22.7° | 14.6° | 50.2mm | 7.8 | 84 |
| December | 17.2° | 9.8° | 29.2mm | 7 | 77 |
January in Hechi averages a daily high of 14.7°C with nights around 8.5°C. Expect roughly 10 wet days totalling 43.6mm. Generally workable, with some weather to plan around.
February in Hechi averages a daily high of 17°C with nights around 10.6°C. Expect roughly 10.2 wet days totalling 39mm. Generally workable, with some weather to plan around.
March in Hechi averages a daily high of 20.7°C with nights around 13.9°C. Expect roughly 14.6 wet days totalling 76.6mm. Generally workable, with some weather to plan around.
April in Hechi averages a daily high of 25.6°C with nights around 18.1°C. Expect roughly 14.1 wet days totalling 113.1mm. Generally workable, with some weather to plan around.
May in Hechi averages a daily high of 29.5°C with nights around 21.6°C. Expect roughly 14.6 wet days totalling 205.7mm. Generally workable, with some weather to plan around.
June in Hechi averages a daily high of 31.3°C with nights around 24.2°C. Expect roughly 17 wet days totalling 314mm. Demanding conditions — pack for it and plan indoor options.
July in Hechi averages a daily high of 33.2°C with nights around 25.4°C. Expect roughly 14.8 wet days totalling 229.8mm. Demanding conditions — pack for it and plan indoor options.
August in Hechi averages a daily high of 33.2°C with nights around 24.9°C. Expect roughly 12.7 wet days totalling 172.2mm. Demanding conditions — pack for it and plan indoor options.
September in Hechi averages a daily high of 31.6°C with nights around 23°C. Expect roughly 8.4 wet days totalling 101.2mm. Generally workable, with some weather to plan around.
October in Hechi averages a daily high of 27.5°C with nights around 19.4°C. Expect roughly 7.1 wet days totalling 76.5mm. Comfortable conditions for being outdoors all day.
November in Hechi averages a daily high of 22.7°C with nights around 14.6°C. Expect roughly 7.8 wet days totalling 50.2mm. Comfortable conditions for being outdoors all day.
December in Hechi averages a daily high of 17.2°C with nights around 9.8°C. Expect roughly 7 wet days totalling 29.2mm. 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. Hechi peaks at 84.
Based on 30 years of records, October–December scores highest for comfort in Hechi, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 33.2°C.
June is the wettest, averaging 314mm of rain across roughly 17 wet days.
January is the coolest month, with average daily highs around 14.7°C.