| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 30.8° | 23.4° | 247.5mm | 14.1 | 57 |
| February | 30.5° | 23.3° | 281.8mm | 15.6 | 56 |
| March | 29.7° | 22.2° | 229.3mm | 14.6 | 60 |
| April | 27.9° | 19.8° | 140.5mm | 12.8 | 71 |
| May | 25.5° | 16° | 72.9mm | 8.9 | 82 |
| June | 23.5° | 13.1° | 53.7mm | 7 | 86 |
| July | 23° | 11.6° | 37.2mm | 5 | 90 |
| August | 24.2° | 12.2° | 28.8mm | 3.7 | 93 |
| September | 26.6° | 15.1° | 24.7mm | 3.5 | 93 |
| October | 28.8° | 18.5° | 30.6mm | 5.2 | 82 |
| November | 30.1° | 20.7° | 91mm | 7.8 | 72 |
| December | 30.8° | 22.4° | 156.1mm | 10.9 | 63 |
January in Mackay averages a daily high of 30.8°C with nights around 23.4°C. Expect roughly 14.1 wet days totalling 247.5mm. Generally workable, with some weather to plan around.
February in Mackay averages a daily high of 30.5°C with nights around 23.3°C. Expect roughly 15.6 wet days totalling 281.8mm. Generally workable, with some weather to plan around.
March in Mackay averages a daily high of 29.7°C with nights around 22.2°C. Expect roughly 14.6 wet days totalling 229.3mm. Generally workable, with some weather to plan around.
April in Mackay averages a daily high of 27.9°C with nights around 19.8°C. Expect roughly 12.8 wet days totalling 140.5mm. Generally workable, with some weather to plan around.
May in Mackay averages a daily high of 25.5°C with nights around 16°C. Expect roughly 8.9 wet days totalling 72.9mm. Comfortable conditions for being outdoors all day.
June in Mackay averages a daily high of 23.5°C with nights around 13.1°C. Expect roughly 7 wet days totalling 53.7mm. Comfortable conditions for being outdoors all day.
July in Mackay averages a daily high of 23°C with nights around 11.6°C. Expect roughly 5 wet days totalling 37.2mm. Comfortable conditions for being outdoors all day.
August in Mackay averages a daily high of 24.2°C with nights around 12.2°C. Expect roughly 3.7 wet days totalling 28.8mm. Comfortable conditions for being outdoors all day.
September in Mackay averages a daily high of 26.6°C with nights around 15.1°C. Expect roughly 3.5 wet days totalling 24.7mm. Comfortable conditions for being outdoors all day.
October in Mackay averages a daily high of 28.8°C with nights around 18.5°C. Expect roughly 5.2 wet days totalling 30.6mm. Comfortable conditions for being outdoors all day.
November in Mackay averages a daily high of 30.1°C with nights around 20.7°C. Expect roughly 7.8 wet days totalling 91mm. Generally workable, with some weather to plan around.
December in Mackay averages a daily high of 30.8°C with nights around 22.4°C. Expect roughly 10.9 wet days totalling 156.1mm. 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. Mackay peaks at 93.
Based on 30 years of records, June–September scores highest for comfort in Mackay, balancing daytime temperature against rainfall.
January is the warmest, averaging a daily high of 30.8°C.
February is the wettest, averaging 281.8mm of rain across roughly 15.6 wet days.
July is the coolest month, with average daily highs around 23°C.