Dunedin 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
Poor
Best time to visit: January – April, September, November
What is the weather like in Dunedin in December?
In December, Dunedin is cool: daytime highs average 16 °C, and nights cool down to about 10 °C. The sea averages 13.1 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. It rains often – on about 15 days, adding up to 99 mm. All in all, December is not an ideal month for a holiday in Dunedin.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 17 | 15 | 18 |
| Day | 14° | 16° | 17° |
| Night | 9° | 10° | 12° |
| Sea | 12° | 13° | 14° |
| Sun | 6 h | 6 h | 6 h |
| Rain days | 14 | 15 | 13 |
More details for December
- Daylight
- 15 h 42 min05:42 – 21:24
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 72 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+13Pacific/Auckland
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %55 %
- Few rainy daysweight 20 %21 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Dunedin in December: quick answers
Is Dunedin hot in December?
No. In December, Dunedin is cool: daytime highs average 16 °C and nights drop to about 10 °C.
Can you swim in Dunedin in December?
Only if you don't mind cold water: in December the sea averages just 13.1 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Dunedin in December?
It rains often – on about 15 days, adding up to 99 mm.
Dunedin month by month
The whole year in DunedinAll destinations: New ZealandWhere 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