Last updated: August 22, 2025
In August, the average temperature in Mountain River, Australia hovers around 8°C (47°F). Expect minimums to dip to 0°C (32°F), while maximums can reach up to 18°C (64°F). Be prepared for some rain, as 69 mm (2.7 in) of precipitation is typical over about 13 days. On top of that, the average humidity sits at a brisk 84%, giving this month a distinctly refreshing feel!
In August in Mountain River, the average temperature is 8°C (47°F). The maximum can reach 18°C (64°F), while the minimum can drop to as low as 0°C (32°F). It's a great time for travelers to explore the crisp, refreshing weather while dressing in layers to stay comfortable.
In Mountain River in August, the precipitation amount is 69 mm (2.7 in) over the course of 13 days.
In Mountain River in August, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.
In Mountain River in August, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Mountain River for better planning.
UV Risk Categories
Weather in Mountain River varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Mountain River, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 17°C (63°F) | 40 mm (1.6 inches) | 68% | extreme |
| February Weather | 16°C (60°F) | 48 mm (1.9 inches) | 68% | extreme |
| March Weather | 15°C (60°F) | 65 mm (2.6 inches) | 73% | very high |
| April Weather | 13°C (55°F) | 48 mm (1.9 inches) | 81% | high |
| May Weather | 10°C (51°F) | 53 mm (2.1 inches) | 86% | moderate |
| June Weather | 9°C (48°F) | 55 mm (2.2 inches) | 85% | low |
| July Weather | 8°C (46°F) | 46 mm (1.8 inches) | 86% | low |
| August Weather | 8°C (47°F) | 69 mm (2.7 inches) | 84% | moderate |
| September Weather | 10°C (50°F) | 54 mm (2.1 inches) | 82% | high |
| October Weather | 12°C (53°F) | 85 mm (3.3 inches) | 77% | very high |
| November Weather | 14°C (57°F) | 69 mm (2.7 inches) | 77% | very high |
| December Weather | 15°C (59°F) | 66 mm (2.6 inches) | 70% | extreme |