
Great Australian Bight Marine Park
- Annual mean
- 17.9 °C
- Warmest month
- February
- Wettest month
- June
Twelve-month records for temperature, precipitation, humidity, wind, and daylight duration
Review long-term climate normals for Nullarbor National Park derived from a representative geographic coordinate. These measurements cover 1991 to 2020, offering consistent monthly averages for mean temperature, daily precipitation rates, wind speeds, and daylight hours. The profile provides a factual baseline for understanding the annual atmospheric cycle at this specific location, distinct from current weather or short-term forecasts.
Mapping long term temperature ranges and average daily precipitation across the twelve month cycle
Compare twelve months of average temperature bounds, daily precipitation rates, and calculated daylight.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 21.8 °C15.3° to 39.9° | 0.6 mm/day | 64.9% | 6.4 m/s | 13.8 hours |
| February | 21.9 °C15.7° to 38.7° | 0.7 mm/day | 66.4% | 6.3 m/s | 13.1 hours |
| March | 20.7 °C14.3° to 35.9° | 0.8 mm/day | 67% | 5.8 m/s | 12.2 hours |
| April | 19.2 °C12.5° to 31.5° | 0.9 mm/day | 66% | 5.2 m/s | 11.2 hours |
| May | 16.6 °C9.8° to 27.2° | 0.8 mm/day | 66.7% | 5.1 m/s | 10.4 hours |
| June | 14.2 °C7.3° to 23.3° | 1 mm/day | 68.6% | 5.4 m/s | 10 hours |
| July | 13.3 °C6.5° to 23° | 0.8 mm/day | 68.6% | 5.5 m/s | 10.2 hours |
| August | 14 °C7.1° to 25.8° | 0.8 mm/day | 66.3% | 5.6 m/s | 10.9 hours |
| September | 15.8 °C8.4° to 29.9° | 0.7 mm/day | 64.9% | 5.9 m/s | 11.8 hours |
| October | 17.5 °C10° to 33.7° | 0.5 mm/day | 62.8% | 6.1 m/s | 12.8 hours |
| November | 19.2 °C11.6° to 36.9° | 0.8 mm/day | 63.1% | 6.2 m/s | 13.6 hours |
| December | 20.6 °C13.5° to 38° | 1 mm/day | 63.9% | 6.3 m/s | 14 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.
Comparing long term averages to map the warmest, coolest, wettest, and driest times of year
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Analyze monthly temperature, precipitation, and wind profiles across regional geography


Delve deeper into the mapped terrain and protected area specifics of Nullarbor National Park. Understanding its geographic context within South Australia enhances your atlas exploration of Australian national parks and their unique regional landscapes. Discover the structured detail available for this significant protected landscape.