Whanganui
August
Weather in Whanganui for August 2026
Your guide to Whanganui weather in August - trends and predictions
In general, the average temperature in Whanganui at the beginning of August is 11.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 13.1 °C by the end of August.
Whanganui in August brings notable rainfall, with an average of 20 rainy days and a total precipitation of 249.7 mm.
Temperatures
Rain 🌧️
11
Dry days
20
Rainy days
0
Snow days
13°/4°
Temperatures
20 km/h
Avg max wind
80 %
Avg humidity
Whanganui Weather August
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Temperatures trend during August in Whanganui
See the weather trend as well as the moving average line
August weather in Whanganui day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Light drizzle | 12° /6° | 1.2 mm | 4 | |
| 2 Aug. |  Patchy rain possible | 11° /4° | 7.4 mm | 4 | |
| 3 Aug. |  Overcast | 10° /4° | 0 mm | 4 | |
| 4 Aug. |  Partly cloudy | 12° /2° | 0 mm | 5 | |
| 5 Aug. | Partly cloudy | 12° /5° | 0.6 mm | 4 | |
| 6 Aug. | Patchy rain possible | 12° /5° | 0.2 mm | 4 | |
| 7 Aug. |  Moderate rain at times | 13° /6° | 1.4 mm | 4 | |
| 8 Aug. | Moderate or heavy rain shower | 12° /7° | 4.1 mm | 4 | |
| 9 Aug. |  Heavy rain at times | 10° /4° | 2.7 mm | 3 | |
| 10 Aug. | Moderate or heavy rain shower | 9° /6° | 8.1 mm | 3 | |
| 11 Aug. | Patchy rain possible | 10° /5° | 0.2 mm | 3 | |
| 12 Aug. | Light rain shower | 11° /5° | 1.2 mm | 3 | |
| 13 Aug. | Moderate rain at times | 11° /5° | 0.8 mm | 4 | |
| 14 Aug. | Moderate or heavy rain shower | 11° /4° | 2.9 mm | 4 | |
| 15 Aug. | Patchy rain possible | 12° /6° | 3 mm | 4 | |
| 16 Aug. | Moderate or heavy rain shower | 13° /7° | 5.6 mm | 4 | |
| 17 Aug. | Light rain | 11° /7° | 6.3 mm | 3 | |
| 18 Aug. | Overcast | 14° /7° | 3.7 mm | 4 | |
| 19 Aug. | Light rain shower | 11° /6° | 8.1 mm | 4 | |
| 20 Aug. | Moderate or heavy rain shower | 11° /6° | 3.8 mm | 3 | |
| 21 Aug. | Heavy rain at times | 11° /6° | 1.2 mm | 4 | |
| 22 Aug. | Partly cloudy | 11° /4° | 0.2 mm | 4 | |
| 23 Aug. |  Cloudy | 13° /3° | 0.1 mm | 4 | |
| 24 Aug. | Partly cloudy | 13° /4° | 2 mm | 4 | |
| 25 Aug. | Patchy rain possible | 14° /5° | 0 mm | 4 | |
| 26 Aug. |  Mist | 13° /6° | 1.5 mm | 4 | |
| 27 Aug. | Light rain shower | 13° /7° | 4.5 mm | 4 | |
| 28 Aug. | Patchy light drizzle | 12° /6° | 4.7 mm | 4 | |
| 29 Aug. | Light rain shower | 13° /6° | 3.2 mm | 4 | |
| 30 Aug. | Partly cloudy | 13° /6° | 1.8 mm | 4 | |
| 31 Aug. | Overcast | 14° /7° | 2.4 mm | 4 | |
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Important Notice
Our weather forecast for Whanganui in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Whanganui forecast closer to your planned date for the most up-to-date weather information.
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Whanganui in August - FAQ
What are the expected maximum and minimum temperatures in Whanganui during August?
Prepare for cooler days with highs just around 13° and colder nights, dipping below 4°.
How much rainfall should be expected in Whanganui during August?
Significant rainfall exceeding 249.7 mm is expected in Whanganui during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Whanganui during August?
The average wind speed in Whanganui during August is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Whanganui
Explore the daily rainfall trends and prepare for Whanganuis August weather 💧
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