ClimateAverages

Mackay Climate

Queensland, Australia · population 74,219 · 18 weather stations within 200 km · records 1888 to 2025

Average annual daytime high
26.9°C
Warmest month · December
30.1°C
Typical daytime high
Coldest month · July
11.6°C
Typical overnight low

Mackay has an average annual daytime high of 26.9°C, based on the 1951 to 1980 baseline. Its warmest month is December, when highs typically reach 30.1°C, and its coldest is July, with overnight lows near 11.6°C.

Month by month averages

MonthAvg highAvg low
January30.0°C22.7°C
February29.9°C22.9°C
March29.0°C21.8°C
April27.5°C19.2°C
May25.1°C16.1°C
June23.0°C13.0°C
July22.3°C11.6°CColdest
August23.6°C12.8°C
September25.6°C15.2°C
October27.8°C18.3°C
November29.4°C20.8°C
December30.1°C22.0°CWarmest

Temperature range across the year

10°15°21°26°32°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2021
+1.4°C vs. 1951–1980
Coldest year on record
1894
-0.8°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Mackay getting hotter?

Since 1900, Mackay's average temperature has risen by +1.6°C. Compared to the earliest station records that begin in 1888, warming totals +1.7°C.

21.9°22.4°22.9°23.5°24.0°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
May to September

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Mackay?

Mackay's average annual daytime high is 26.9°C, based on the 1951 to 1980 baseline period. The warmest month is December, with highs averaging 30.1°C, and the coldest is July, with lows averaging 11.6°C.

What is the warmest month in Mackay?

December is the warmest month in Mackay, with typical daytime highs of 30.1°C.

What is the hottest year on record for Mackay?

2021 is the hottest year on record for Mackay, running +1.4°C above the 1951 to 1980 baseline.

Is Mackay getting hotter?

Yes. Since 1900, Mackay has warmed by roughly +1.6°C.

When is the best time to visit Mackay?

May to September typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.