Townsville weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Fair
Best time to visit: May – October
What is the weather like in Townsville in December?
In December, Townsville is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.6 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 13 rainy days and 121 mm in total. On about 21 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a so-so month for a holiday in Townsville.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 71 | 57 | 46 |
| Day | 30° | 31° | 31° |
| Night | 23° | 24° | 25° |
| Sea | 27° | 29° | 29° |
| Sun | 10 h | 9 h | 8 h |
| Rain days | 9 | 13 | 18 |
More details for December
- Daylight
- 13 h 17 min05:29 – 18:46
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 56 %on averageAll months
- Hot days
- 21 days30 °C or moreAll months
- Time zone
- UTC+10Australia/Brisbane
How the score comes together
- Temperatureweight 50 %52 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %34 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Townsville in December: quick answers
Is Townsville hot in December?
Yes. In December, Townsville is hot: daytime highs average 31 °C and nights stay around 24 °C. On about 21 days the thermometer climbs to 30 °C or more.
Can you swim in Townsville in December?
Yes. In December the sea averages 28.6 °C – lovely and warm for swimming.
Does it rain much in Townsville in December?
Rain is frequent, with about 13 rainy days and 121 mm in total.
Townsville month by month
The whole year in TownsvilleAll destinations: AustraliaWhere to go in DecemberSea temperature in December
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