Dunedin weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: January – April, September, November
What is the weather like in Dunedin in January?
In January, Dunedin is mild: daytime highs average 17 °C, and nights cool down to about 12 °C. The sea averages 14.0 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 93 mm in total. All in all, January is not an ideal month for a holiday in Dunedin.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 15 | 18 | 21 |
| Day | 16° | 17° | 17° |
| Night | 10° | 12° | 12° |
| Sea | 13° | 14° | 15° |
| Sun | 6 h | 6 h | 6 h |
| Rain days | 15 | 13 | 11 |
More details for January
- Daylight
- 15 h 21 min06:06 – 21:27
- UV index
- 8 · 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
- 70 %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 %57 %
- Few rainy daysweight 20 %34 %
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
Dunedin in January: quick answers
Is Dunedin hot in January?
No. In January, Dunedin is mild: daytime highs average 17 °C and nights drop to about 12 °C.
Can you swim in Dunedin in January?
Only if you don't mind cold water: in January the sea averages just 14.0 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Dunedin in January?
Rain is frequent, with about 13 rainy days and 93 mm in total.
Dunedin month by month
The whole year in DunedinAll destinations: New ZealandWhere to go in JanuarySea temperature in January
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