Climate averages 1991–2020
Dunedin weather
in August.
A cool, moderately wet month: the 10th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a cool month in Dunedin: daytime highs average 9.7°C and nights cool to about 3.1°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 41 mm of rain on roughly 9 days, which makes August a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 12 min on an average August day.
The nearest other city in this atlas is Christchurch (310 km away). In August its highs average 11.2°C, 1.6°C warmer than Dunedin, with 48 mm of rain.
Among the 11 cities listed in New Zealand, Dunedin ranks 11th of 11 for the warmest August highs and 1st of 11 for the driest August (rainfall, lowest first). The mean August high of those 11 cities is 12.4°C; Dunedin is 2.7°C cooler than that mean.
From August to September, average highs rise by 1.9°C to 11.6°C, and monthly rainfall rises from 41 mm to 50 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Dunedin climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.4°C10.9°C | 10.9°C | 89 | 12.9 | 15.315 h |
| February | 17.4°C10.9°C | 10.9°C | 74 | 10.5 | 14.014 h |
| March | 16.1°C9.6°C | 9.6°C | 59 | 9.5 | 12.412 h |
| April | 13.9°C7.6°C | 7.6°C | 54 | 9.3 | 10.811 h |
| May | 11.5°C5.5°C | 5.5°C | 50 | 9.7 | 9.49 h |
| June | 8.9°C3.2°C | 3.2°C | 46 | 9.2 | 8.79 h |
| July | 8.4°C2.3°C | 2.3°C | 39 | 8.0 | 9.09 h |
| August, selected | 9.7°C3.1°C | 3.1°C | 41 | 9.4 | 10.210 h |
| September | 11.6°C4.4°C | 4.4°C | 50 | 10.6 | 11.712 h |
| October | 13.1°C6.1°C | 6.1°C | 74 | 13.5 | 13.413 h |
| November | 14.3°C7.6°C | 7.6°C | 77 | 13.6 | 14.815 h |
| December | 16.0°C9.6°C | 9.6°C | 96 | 14.4 | 15.616 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Christchurch in AugustNew Zealand · 310 kmHigh 11.2°C · Low 3.1°C · 48 mm rain
- Wellington in AugustNew Zealand · 615 kmHigh 11.3°C · Low 8.6°C · 82 mm rain
- Lower Hutt in AugustNew Zealand · 628 kmHigh 11.8°C · Low 7.7°C · 80 mm rain
- Palmerston North in AugustNew Zealand · 740 kmHigh 12.1°C · Low 5.2°C · 89 mm rain
- Hamilton, New Zealand in AugustNew Zealand · 982 kmHigh 13.5°C · Low 5.7°C · 122 mm rain
- Tauranga in AugustNew Zealand · 1024 kmHigh 13.4°C · Low 7.7°C · 117 mm rain
- Manukau City in AugustNew Zealand · 1052 kmHigh 13.8°C · Low 8.5°C · 97 mm rain
- Auckland in AugustNew Zealand · 1064 kmHigh 13.8°C · Low 9.1°C · 104 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Dunedin) is explained once on the Dunedin year overview and on the Sources, method and limits page.