Waychinicup National Park
- Annual mean
- 16.3 °C
- Warmest month
- February
- Wettest month
- August
Detailed monthly temperature, precipitation, humidity, and daylight data profiles
These monthly climate averages for Hassell National Park provide a representative look at long-term atmospheric patterns using data from 1991 to 2020. Measurements include mean, minimum, and maximum temperatures alongside average daily precipitation, relative humidity, wind speeds, and daylight duration. The values reflect conditions at a single coordinate, offering a standard reference for comparing climatic trends across the calendar year.
Comparing monthly thermal averages with daily precipitation rates across the annual cycle
Comparing long term averages for temperature bounds, daily precipitation, humidity, and wind speed.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 20.3 °C10.4° to 39.6° | 0.7 mm/day | 61.4% | 5.6 m/s | 14 hours |
| February | 20.4 °C11.1° to 38.6° | 0.7 mm/day | 63% | 5.6 m/s | 13.3 hours |
| March | 19 °C9.6° to 36.8° | 1.2 mm/day | 66.4% | 5.1 m/s | 12.2 hours |
| April | 16.7 °C7.5° to 31.3° | 1.4 mm/day | 71% | 4.5 m/s | 11.1 hours |
| May | 13.6 °C5.5° to 25.7° | 2 mm/day | 75.5% | 4.6 m/s | 10.2 hours |
| June | 11.3 °C4° to 20.9° | 2.4 mm/day | 81% | 5.1 m/s | 9.7 hours |
| July | 10.2 °C2.7° to 19.2° | 2.6 mm/day | 84.1% | 5.2 m/s | 9.9 hours |
| August | 10.5 °C3° to 20.8° | 2.6 mm/day | 83.6% | 5.1 m/s | 10.7 hours |
| September | 11.6 °C3.4° to 23.4° | 2.2 mm/day | 81% | 5.2 m/s | 11.8 hours |
| October | 13.9 °C4.6° to 29.4° | 1.5 mm/day | 74.6% | 4.8 m/s | 12.9 hours |
| November | 16.6 °C6.9° to 34.3° | 1.3 mm/day | 67.7% | 5.1 m/s | 13.9 hours |
| December | 18.7 °C8.7° to 37.5° | 0.9 mm/day | 62.9% | 5.3 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.
Identifying the warmest, coolest, wettest, and windiest months using long-term average calculations.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Contrast temperature averages and seasonal precipitation cycles across diverse protected landscapes

Deepen your understanding of Hassell National Park by exploring its precise geographic context and protected landscape characteristics. This dedicated entry provides structured data for tracing park boundaries and appreciating its natural terrain within Western Australia's expansive geography. Continue your atlas exploration to grasp the full scope of this significant national park.