Sun, sea & sand

Invercargill weather in January

Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.

18

Holiday weather in January

Poor

Best time to visit: December – February

What is the weather like in Invercargill in January?

In January, Invercargill is mild: daytime highs average 18 °C, and nights cool down to about 11 °C. The sea averages 14.9 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 14 rainy days and 95 mm in total. All in all, January is not an ideal month for a holiday in Invercargill.

January compared

How the weather changes from December to February. Tap a month to open it.

DecemberDecJanuaryJanFebruaryFeb
Score151820
Day17°18°18°
Night10°11°11°
Sea14°15°15°
Sun7 h7 h6 h
Rain days151411

More details for January

Daylight
15 h 24 min06:13 – 21:37
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
71 %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 %32 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in January

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Invercargill in January: quick answers

Is Invercargill hot in January?

No. In January, Invercargill is mild: daytime highs average 18 °C and nights drop to about 11 °C.

Can you swim in Invercargill in January?

Only if you don't mind cold water: in January the sea averages just 14.9 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Invercargill in January?

Rain is frequent, with about 14 rainy days and 95 mm in total.

Invercargill month by month

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