| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 26.8° | — | 65.8mm | 11.1 | 78 |
| February | 28° | 21.3° | 21.9mm | 5.5 | 85 |
| March | 29.8° | 24.4° | 50mm | 4.9 | 79 |
| April | 31.8° | 24.9° | 38.6mm | 4.2 | 72 |
| May | 33.5° | 27.3° | 108.7mm | 8.1 | 58 |
| June | 34.6° | — | 42mm | 4.9 | 60 |
| July | 34.3° | — | 52.7mm | 7.4 | 56 |
| August | 34.3° | — | 81.8mm | 9.4 | 52 |
| September | 32.7° | — | 271.9mm | 15.5 | 47 |
| October | 30.3° | 25° | 470mm | 19.4 | 57 |
| November | 28.5° | — | 484.8mm | 19.5 | 64 |
| December | 27° | — | 203.2mm | 17.3 | 70 |
January in Qui Nhon averages a daily high of 26.8°C. Expect roughly 11.1 wet days totalling 65.8mm. Comfortable conditions for being outdoors all day.
February in Qui Nhon averages a daily high of 28°C with nights around 21.3°C. Expect roughly 5.5 wet days totalling 21.9mm. Comfortable conditions for being outdoors all day.
March in Qui Nhon averages a daily high of 29.8°C with nights around 24.4°C. Expect roughly 4.9 wet days totalling 50mm. Comfortable conditions for being outdoors all day.
April in Qui Nhon averages a daily high of 31.8°C with nights around 24.9°C. Expect roughly 4.2 wet days totalling 38.6mm. Generally workable, with some weather to plan around.
May in Qui Nhon averages a daily high of 33.5°C with nights around 27.3°C. Expect roughly 8.1 wet days totalling 108.7mm. Generally workable, with some weather to plan around.
June in Qui Nhon averages a daily high of 34.6°C. Expect roughly 4.9 wet days totalling 42mm. Generally workable, with some weather to plan around.
July in Qui Nhon averages a daily high of 34.3°C. Expect roughly 7.4 wet days totalling 52.7mm. Generally workable, with some weather to plan around.
August in Qui Nhon averages a daily high of 34.3°C. Expect roughly 9.4 wet days totalling 81.8mm. Demanding conditions — pack for it and plan indoor options.
September in Qui Nhon averages a daily high of 32.7°C. Expect roughly 15.5 wet days totalling 271.9mm. Demanding conditions — pack for it and plan indoor options.
October in Qui Nhon averages a daily high of 30.3°C with nights around 25°C. Expect roughly 19.4 wet days totalling 470mm. Generally workable, with some weather to plan around.
November in Qui Nhon averages a daily high of 28.5°C. Expect roughly 19.5 wet days totalling 484.8mm. Generally workable, with some weather to plan around.
December in Qui Nhon averages a daily high of 27°C. Expect roughly 17.3 wet days totalling 203.2mm. Generally workable, with some weather to plan around.
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. Qui Nhon peaks at 85.
Based on 30 years of records, January–March scores highest for comfort in Qui Nhon, balancing daytime temperature against rainfall.
June is the warmest, averaging a daily high of 34.6°C.
November is the wettest, averaging 484.8mm of rain across roughly 19.5 wet days.
January is the coolest month, with average daily highs around 26.8°C.