Invercargill 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: December – February
What is the weather like in Invercargill in December?
In December, Invercargill is mild: daytime highs average 17 °C, and nights cool down to about 10 °C. The sea averages 14.0 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 98 mm. All in all, December is not an ideal month for a holiday in Invercargill.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 13 | 15 | 18 |
| Day | 15° | 17° | 18° |
| Night | 8° | 10° | 11° |
| Sea | 13° | 14° | 15° |
| Sun | 6 h | 7 h | 7 h |
| Rain days | 17 | 15 | 14 |
More details for December
- Daylight
- 15 h 46 min05:49 – 21:35
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 27 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 %58 %
- Few rainy daysweight 20 %19 %
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
Invercargill in December: quick answers
Is Invercargill hot in December?
No. In December, Invercargill is mild: daytime highs average 17 °C and nights drop to about 10 °C.
Can you swim in Invercargill in December?
Only if you don't mind cold water: in December the sea averages just 14.0 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Invercargill in December?
It rains often – on about 15 days, adding up to 98 mm.
Invercargill month by month
The whole year in InvercargillAll 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