Mackay weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Good
Best time to visit: April, September – December
What is the weather like in Mackay in January?
In January, Mackay is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.3 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It rains often – on about 18 days, adding up to 258 mm. The air is often humid and muggy. All in all, January is a good month for a holiday in Mackay.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 83 | 73 | 71 |
| Day | 28° | 28° | 28° |
| Night | 24° | 24° | 24° |
| Sea | 28° | 28° | 28° |
| Sun | 8 h | 7 h | 6 h |
| Rain days | 13 | 18 | 18 |
More details for January
- Daylight
- 13 h 17 min05:33 – 18:51
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 22 km/haverage daily peakAll months
- Cloud cover
- 61 %on averageAll months
- Hot days
- 5 days30 °C or moreAll months
- Time zone
- UTC+10Australia/Brisbane
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %67 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Mackay in January: quick answers
Is Mackay hot in January?
Yes. In January, Mackay is hot: daytime highs average 28 °C and nights stay around 24 °C. On about 5 days the thermometer climbs to 30 °C or more.
Can you swim in Mackay in January?
Yes. In January the sea averages 28.3 °C – lovely and warm for swimming.
Does it rain much in Mackay in January?
It rains often – on about 18 days, adding up to 258 mm.
Mackay month by month
The whole year in MackayAll destinations: AustraliaWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences