Mount Lindesay National Park
- Annual mean
- 16 °C
- Warmest month
- February
- Wettest month
- July
Twelve-month assessment of temperature, precipitation, wind, and daylight averages.
The climate profile for William Bay National Park provides a data-driven look at the local atmospheric conditions derived from a single representative coordinate at 54.3 meters elevation. These measurements cover the 1991 to 2020 climatology period, detailing monthly average temperature, precipitation rates, relative humidity, wind speed, and daylight hours. The data offers an evergreen perspective on the park's annual climate patterns, distinct from day-to-day weather forecasts or current conditions.

Analyzing the relationship between average thermal ranges and daily precipitation trends through the year
Evaluate long term atmospheric trends using thirty year averages for temperatures, daily precipitation, and calculated daylight.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 19.3 °C13.1° to 34.2° | 0.8 mm/day | 69.1% | 6 m/s | 14.1 hours |
| February | 19.7 °C13.7° to 34.2° | 0.7 mm/day | 69.8% | 6.1 m/s | 13.3 hours |
| March | 19 °C12.7° to 33.2° | 1.4 mm/day | 71.5% | 5.8 m/s | 12.2 hours |
| April | 17.6 °C11.3° to 28.9° | 1.9 mm/day | 73.3% | 5.3 m/s | 11.1 hours |
| May | 15.6 °C9.3° to 24.7° | 2.9 mm/day | 75.7% | 5.6 m/s | 10.2 hours |
| June | 13.7 °C8° to 20.5° | 3.8 mm/day | 79.7% | 6.3 m/s | 9.7 hours |
| July | 12.7 °C6.9° to 19.1° | 4 mm/day | 81.4% | 6.5 m/s | 9.9 hours |
| August | 12.7 °C7.1° to 20° | 3.9 mm/day | 81.3% | 6.3 m/s | 10.7 hours |
| September | 13.2 °C7.8° to 21.4° | 3.3 mm/day | 80.1% | 6.4 m/s | 11.8 hours |
| October | 14.4 °C8.3° to 25.5° | 2 mm/day | 77.6% | 5.7 m/s | 12.9 hours |
| November | 16.2 °C10.2° to 29.3° | 1.6 mm/day | 73.8% | 5.8 m/s | 13.9 hours |
| December | 17.9 °C11.5° to 32.4° | 1.1 mm/day | 70.2% | 5.8 m/s | 14.3 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Seasonal shifts in average temperature, daily precipitation, wind, and daylight duration.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Analyze monthly temperature and precipitation rhythms across diverse geographic settings

To deepen your understanding of William Bay National Park, further explore its specific geographic features and protected landscape attributes. Discover how this national park contributes to the regional atlas of Western Australia, offering a unique perspective on mapped terrain and conservation areas. Continuing this exploration reveals the detailed atlas context for William Bay National Park's protected geography.