Port Lincoln 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
Good
Best time to visit: January – March
What is the weather like in Port Lincoln in December?
In December, Port Lincoln is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. Rain is rare: about 4 days bring 20 mm in total. All in all, December is a good month for a holiday in Port Lincoln.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 49 | 63 | 78 |
| Day | 21° | 22° | 24° |
| Night | 14° | 15° | 17° |
| Sea | 17° | 18° | 20° |
| Sun | 9 h | 9 h | 10 h |
| Rain days | 5 | 4 | 3 |
More details for December
- Daylight
- 14 h 28 min06:08 – 20:35
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 49 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Time zone
- UTC+10:30Australia/Adelaide
How the score comes together
- Temperatureweight 35 %57 %
- Seaweight 25 %19 %
- Sunshineweight 20 %93 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Port Lincoln in December: quick answers
Is Port Lincoln hot in December?
Warm rather than hot: in December, daytime highs in Port Lincoln average 22 °C and nights cool to about 15 °C. On about 3 days the thermometer climbs to 30 °C or more.
Can you swim in Port Lincoln in December?
Only if you don't mind cold water: in December the sea averages just 18.3 °C. Comfortable swimming is possible in February.
Does it rain much in Port Lincoln in December?
Rain is rare: about 4 days bring 20 mm in total.
Port Lincoln month by month
The whole year in Port LincolnAll 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