Last updated: February 25, 2025
In August, Mount Isa experiences a delightful Australian winter, with temperatures ranging from a cool 6°C (43°F) in the early mornings to a warm 34°C (94°F) during the day. The average temperature sits comfortably at 20°C (68°F), offering a pleasant climate for outdoor activities and exploration. Notably, this month sees zero precipitation, resulting in a dry atmosphere complemented by a moderate humidity level of 43%. Whether you're keen on discovering its rugged landscapes or enjoying the local culture, August in Mount Isa provides the ideal backdrop for adventure.
August in Mount Isa marks a notable transition into the cooler months, with temperatures reflecting a gentle shift from the blazing heat of winter. The minimum temperature hovers around 6°C (43°F), offering a crisp start to the days, while the average daily temperature settles at a comfortable 20°C (68°F). Maximum temperatures during this month can reach up to 34°C (94°F), ensuring that the sun still delivers its warm embrace. As August progresses, one can expect a blend of mild mornings and pleasantly warm afternoons, making it an ideal time to explore the stunning landscapes and outdoor activities that the region has to offer. Compared to July, there’s a slight uptick in warmth, hinting at the approaching spring, yet it remains delightfully temperate for both locals and visitors alike.
August in Mount Isa, Australia, stands out as a particularly dry month, recording 0 mm of precipitation and marking the first month of the year without a single rainfall day. This stark absence of rain follows a trend seen from April through July, when precipitation was minimal, with only sporadic light showers in earlier months. As the dry season progresses towards spring, the gradual increase in precipitation begins again in September, suggesting a shift in the weather patterns. Overall, August's dryness epitomizes the arid climate of Mount Isa, where significant rainfall is concentrated in the earlier months of the year.
In August, Mount Isa experiences a notable dip in humidity, sitting at 43%, just slightly above the year's lowest levels recorded in July at 42% and trailing behind the wetter months earlier in the year. This decline is part of a broader trend that sees humidity steadily decreasing from a peak of 71% in March to 32% by September, ushering in a drier phase as the region transitions toward the warmer months. The shift from summer's mugginess to the crispness of winter is particularly evident, making August a time when the air feels noticeably less humid, contrasting sharply with the humid highs earlier in the year.
In August, Mount Isa experiences a UV Index of 11, categorizing it as extreme and maintaining a quick burn time of just 10 minutes. This trend of high UV exposure continues from the previous months, notably peaking in the earlier part of the year, with January reaching a staggering 17. While there is a slight ebb in intensity compared to the peak summer months, residents and visitors alike should remain vigilant against sun exposure, as the risk remains considerable. The UV Index is a crucial factor for planning outdoor activities in this sun-drenched region—be sure to stay informed and protect your skin. For detailed information, visit Mount Isa UV Index.
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In Mount Isa, August shines brightly with an impressive 308 hours of sunshine, marking a peak in the region's solar bounty as winter comes to a close. This trend mirrors the increasing daylight of the months preceding it, showcasing a gradual climb from 269 hours in January to a radiant 314 hours by September. Each month reveals a pattern of growth, with sun-soaked days steadily enriching the landscape and invigorating the community. Notably, August stands out not only for its sunlit hours but also as a precursor to the region's sunniest months—October and November—where sunshine extends even further, fostering a vibrant and energetic atmosphere in this rugged Australian outback.
In August, Mount Isa enjoys a remarkable 90% chance of sunny weather, making it one of the sunniest months of the year. This high likelihood follows a pattern of increasing sunshine throughout the colder months, with July also boasting an impressive 87% chance. The trend is particularly notable as the region transitions from the cooler winter to the warmer days of spring, fueling outdoor activities and vibrant community events. Comparatively, the sunshine in August marks a peak before a gradual decline into the slightly cloudier months of September and October, with their chances sitting at 79% and 70%, respectively. Therefore, if you’re seeking sun in Mount Isa, August is your golden opportunity!
In August, Mount Isa experiences a return to 11 hours of daylight, mirroring the earlier months of April and May. This gradual increase in sunlight signals the transition from the shorter winter days of June and July. After reaching a low of 10 hours during the winter months, the daylight begins to extend again, paving the way for warmer and longer days ahead. As the year progresses, daylight duration will continue to increase, peaking at 13 hours in November and December, creating a vibrant atmosphere for both locals and visitors in this stunning Australian town.
In August, Mount Isa experiences a noticeable gust with an average wind speed of 5.0 m/s (11 mph), marking a slight increase from the mid-year months of June and July, which both hovered at 4.6 m/s (10 mph). This gentle but invigorating breeze adds to the region's unique charm, suggesting a transition as the season shifts towards spring. As summer approaches, wind speeds gradually tend to rise, peaking in September at 5.4 m/s (12 mph) before tapering off into the warmer months. Overall, the August winds embody a blend of comfort and anticipation, offering locals and visitors alike a refreshing change as the landscape prepares for the vibrant blooms of the coming seasons.
The weather in Mount Isa changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Mount Isa and find detailed weather information for every month.
In August, the weather is generally mild, with temperatures ranging from a cool minimum of 6°C (43°F) to a warm maximum of 34°C (94°F), and notably, there is no recorded precipitation. The humidity level is relatively low at 43%, making it a comfortable time of year. In contrast, January brings much warmer temperatures, with a minimum of 22°C (72°F) and soaring to a maximum of 43°C (110°F), accompanied by some precipitation (55 mm or 2.1 in) over approximately 6 days. The higher humidity level of 56% in January makes the heat feel more intense, creating a stark contrast to the drier, cooler conditions of August. For more detailed insights into January's climate, you can check Mount Isa weather in January.
In August, the weather in Mount Isa is relatively mild, with temperatures ranging from a cool 6°C (43°F) at night to a warm 34°C (94°F) during the day, accompanied by low humidity at 43% and no rainfall. In contrast, February experiences significantly higher temperatures, with a minimum of 18°C (65°F) and a scorching maximum of 42°C (107°F). February is also defined by more humidity at 62% and considerable precipitation, totaling 85 mm (3.4 in) over six days. For a closer look at February's weather specifics, visit Mount Isa weather in February.
August and March present stark contrasts in weather conditions. August features a milder temperature range, with minimums around 6°C (43°F) and maximums reaching 34°C (94°F), while March boasts much warmer temperatures, with minimums of 18°C (66°F) and an upper limit of 41°C (106°F). Additionally, August remains dry with zero precipitation and low humidity at 43%, whereas March is considerably wetter, receiving 87 mm (3.4 in) of rainfall over six days and higher humidity levels at 71%. For a deeper look at the weather specifics in March, you can visit Mount Isa weather in March.
In comparing the weather in August and April, April shows significantly higher average temperatures, reaching up to 26°C (79°F), while August has a cooler average of 20°C (68°F). Notably, April experiences warmer maximum temperatures, peaking at 37°C (99°F) compared to August's high of 34°C (94°F). Both months have negligible precipitation with only 1 mm reported in April and none in August, indicating a dry climate during both times. However, April tends to have higher humidity at 53%, compared to 43% in August. For more detailed information, you can check Mount Isa weather in April.
In comparing the weather of August and May, both months experience mild temperatures with minimums around 6°C (43°F). August boasts an average temperature of 20°C (68°F) and can reach a maximum of 34°C (94°F), making it slightly warmer overall. In contrast, May has a slightly higher average temperature of 21°C (70°F) and a peak of 32°C (91°F). Precipitation remains negligible in both months; however, May sees a trace amount of 1 mm (0.0 in) while August records none. Humidity is slightly lower in August at 43%, compared to May’s 47%. For more detailed information, you can visit Mount Isa weather in May.
In comparing the weather between June and August, we can see some notable differences. August tends to be warmer overall, with average temperatures around 20°C (68°F) and a maximum reaching 34°C (94°F), whereas June's average is slightly cooler at 18°C (64°F) with a peak of 31°C (89°F). Additionally, August enjoys a dry spell with no recorded precipitation, while June experiences a minor amount of rainfall at 6 mm (0.2 in) and similarly has zero rainy days. The humidity in June is a bit higher at 47%, compared to August's more comfortable 43%. For more detailed insights on June's weather patterns, visit Mount Isa weather in June.
In comparison to July, August experiences slightly warmer temperatures with a minimum of 6°C and an average of 20°C, compared to July's minimum of 4°C and average of 18°C. The maximum temperatures are also higher in August, reaching 34°C, whereas July peaks at 33°C. Both months boast very little precipitation, with July receiving only 1 mm and August reporting none, resulting in completely dry months. Humidity levels remain similar, with July at 42% and August slightly higher at 43%. For more detailed information about July weather, you can visit Mount Isa weather in July.
In August, the weather is characterized by a cooler range of temperatures, with a minimum of 6°C (43°F) and an average of 20°C (68°F), reaching a maximum of 34°C (94°F). Notably, August experiences no precipitation, resulting in dry conditions with a humidity level of 43%.
In contrast, September brings a slight increase in temperatures, with a minimum of 9°C (48°F) and an average of 24°C (75°F), peaking at a higher maximum of 39°C (102°F). September also sees a small amount of precipitation, totaling 5 mm (0.2 in) over just one day, and a lower humidity level of 32%.
For more details on the weather in this month, you can refer to Mount Isa weather in September.
In August, the weather tends to be quite mild, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 34°C (94°F) and an average of 20°C (68°F). This month features no precipitation and a humidity level of 43%, resulting in a dry and comfortable atmosphere. In contrast, October experiences higher temperatures with a minimum of 15°C (58°F) and a peak of 41°C (105°F), averaging around 28°C (83°F). While there is some precipitation of 10 mm (0.4 in) over 2 days, the humidity dips to 23%, making it feel drier overall. For more detailed insights, you can check out Mount Isa weather in October.
In August, temperatures in Mount Isa typically range from a minimum of 6°C (43°F) to a maximum of 34°C (94°F) with an average of around 20°C (68°F), and the weather is characterized by dry conditions, with no recorded precipitation or rainy days. In contrast, November sees noticeably warmer weather, with minimum temperatures around 13°C (57°F) and a maximum reaching 41°C (107°F), resulting in a higher average of 29°C (85°F). Additionally, November experiences some precipitation of 18 mm (0.7 in) over four days, and the humidity is lower at 28%. For more details about November weather, you can explore Mount Isa weather in November.
In comparing the weather of August and December, it's clear that December experiences significantly warmer temperatures, with minimums around 17°C (63°F) compared to August's cooler 6°C (43°F). The average temperature in December rises to a steamy 32°C (90°F), peaking at 44°C (111°F), while August comfortably averages at 20°C (68°F) with a maximum of 34°C (94°F). Additionally, humidity is slightly higher in December at 47%, and there’s a touch of precipitation with 20 mm (0.8 in) falling over three days, in contrast to August, which boasts completely dry conditions with no precipitation. For more detailed insights, you can check out Mount Isa weather in December.
August in Mount Isa stands out as a month characterized by warm temperatures and dry conditions, making it quite distinct from the wetter months that precede and follow it. With maximum temperatures reaching up to 34°C and an impressive average of 20°C, the month seals a bright and sunny atmosphere. Unlike the more humid months of the year, August enjoys a relative humidity of just 43%, and notably, there is no recorded precipitation, offering an ideal backdrop for outdoor activities. Whether you're exploring the rugged landscapes or enjoying local events, August’s weather surely enhances the experience. For a deeper dive into the annual climate patterns, check out Mount Isa Climate.