Last updated: February 25, 2025
In December, Mount Coolum experiences a dynamic climate characterized by warm temperatures and a notable level of precipitation. The maximum temperature can soar to 38°C (101°F), with an average of 25°C (77°F) providing pleasant warmth during the day. Nights cool down to a refreshing 17°C (62°F), offering a comfortable escape from the heat. This month sees an average precipitation of 106 mm (4.2 in), distributed over 13 rainy days, leading to a lush environment. With humidity levels around 80%, visitors can expect a tropical feel, making December a vibrant yet occasionally wet month in this stunning coastal region.
In December, temperatures at Mount Coolum, Australia, start to heat up, showcasing the transition into summer. With a minimum of 17°C (62°F) and a maximum reaching a sizzling 38°C (101°F), the month averages a pleasant 25°C (77°F). This trend marks a significant increase from the cooler months, with preceding highs in November barely touching 37°C (98°F). As the year winds down, visitors can expect longer, sun-filled days perfect for outdoor adventures, complemented by the vibrant natural beauty that this coastal region is known for. Whether you're hiking Mount Coolum or relaxing at the beach, December offers an appealing warmth that beckons exploration and enjoyment under the Australian sun.
December in Mount Coolum marks a transition into the wet season, showcasing a notable increase in precipitation compared to the drier months preceding it. With 106 mm (4.2 in) of rainfall spread over 13 days, December is among the wetter periods of the year, following the substantial 150 mm (5.9 in) recorded in October. This uptick in rainfall sets the stage for the lush growth that defines the region, contrasting sharply with the minimal 15 mm (0.6 in) seen in August. As the year closes, December's precipitation not only supports local ecosystems but also prepares the landscape for the more intense rains that are typical in the first quarter of the following year.
In December, Mount Coolum experiences a noticeable rise in humidity, peaking at 80%, which is on par with the earlier months of the year. This increase in humidity is characteristic of the Australian summer, as December transitions into warmer weather. Notably, after a gradual decline from the peak in January and February, humidity levels dipped to their lowest in July at 70%, before slightly rebounding in the subsequent months. November's humidity of 77% hints at the approaching summer, and December's 80% serves as a reminder of the region's tropical climate, creating a consistent, warm atmosphere perfect for outdoor activities.
In December, the UV Index in Mount Coolum skyrockets to 15, marking it as an extreme exposure category, with a burn time of just 10 minutes. This trend of high UV levels is consistent as the year wraps up, echoing January and February, which also recorded a UV Index of 15. Such persistent intensity throughout the summer months underscores the importance of sun safety in the region. Interestingly, while the year begins with extreme levels, UV exposure begins to taper in the colder months, illustrating a clear seasonal pattern. For visitors and locals alike, staying informed on the ever-changing UV Index is crucial to enjoying the sun safely. For more insights, visit Mount Coolum UV Index.
UV Risk Categories
As the year draws to a close, December in Mount Coolum, Australia shines brighter than ever, boasting an impressive 329 hours of sunshine—the highest of any month. This vibrant climax to the year is a testament to the region's delightful climate, where sunlight steadily increases throughout the spring and summer months. After a dip in May, which recorded 259 hours, the sunshine hours rebound dramatically, peaking in December after consistently rising since October. Each month leading up to the festive season saw a gradual increase, with November already showcasing a robust 317 hours. This consistent trend not only highlights the charm of Mount Coolum's summer afternoons but also invites residents and visitors alike to bask in the warmth as the year wraps up.
In Mount Coolum, Australia, December offers a 43% chance of sunny weather, marking a notable dip alongside November's 32%. This seasonal trend highlights a decline as the year wraps up, particularly following the sunnier months of July and August, which boast probabilities as high as 67% and 69%, respectively. As we transition into summer, the likelihood of sunshine begins to bounce back in the latter half of the year, but December still lags behind the more favorable conditions of the mid-year months. While the sun shines less frequently in this part of Australia during December compared to its peak sunny days, there’s still hope for bright afternoons amid the warm coastal atmosphere.
In Mount Coolum, Australia, the daylight duration follows a rhythmic pattern throughout the year, beginning with 13 hours in January, which sets a bright tone for the summer months. As the seasons transition, daylight gradually diminishes, peaking at 12 hours in February and March, and tapering down to a modest 10 hours from May through July. This period of reduced sunlight marks the cooler winter months, creating a cozy atmosphere. As spring arrives in August, daylight resurges, reaching 11 hours, and continues to climb back up to a full 13 hours by November and December. The cycle beautifully reflects nature’s rhythms, offering longer days just in time for the festive season.
In Mount Coolum, Australia, the December winds bring a gentle sigh of 2.8 m/s (6 mph), continuing a trend of moderate breezes that have been characteristic of the region throughout the year. While January and September see a slight uptick with average speeds of 3.1 m/s (7 mph), the winds gradually ease into the calmer months of winter, peaking in August at a soft 2.3 m/s (5 mph). This subtle flow reflects a seasonal rhythm, where the breezes in December offer a mild embrace, perfect for enjoying the scenic beauty of this coastal gem. As the year closes, the wind's moderate pace captivates those who stroll along its stunning landscapes, inviting both locals and visitors to revel in its tranquil charm.
The weather in Mount Coolum changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Mount Coolum and find detailed weather information for every month.
In comparing the weather of December and January, we can observe some notable differences. December typically experiences a broader temperature range with minimums reaching 17°C (62°F) and maximums hitting 38°C (101°F), while January's temperatures are slightly milder, with minimums at 18°C (64°F) and maximums at 36°C (97°F). Additionally, December sees more precipitation, totaling 106 mm (4.2 in) over 13 days, compared to January’s 55 mm (2.2 in) across 10 days. The humidity levels remain relatively similar, with December at 80% and January slightly lower at 79%. For those seeking detailed weather insights specific to January, you can refer to this link: Mount Coolum weather in January.
In December, temperatures range from a minimum of 17°C (62°F) to a maximum of 38°C (101°F), with an average of 25°C (77°F). The month experiences significant rainfall, with 106 mm (4.2 in) of precipitation over 13 days, maintaining a high humidity level of 80%.
In contrast, February sees slightly warmer temperatures, with a minimum of 18°C (64°F) and a maximum of 36°C (98°F), while the average remains consistent at 25°C (77°F). Precipitation during this month increases to 121 mm (4.8 in) over 14 days, with humidity levels still hovering around 80%. For a closer look at what to expect, check out Mount Coolum weather in February.
In December, the weather typically features a minimum temperature of 17°C (62°F) and a maximum of 38°C (101°F), with an average temperature around 25°C (77°F). The month experiences significant precipitation, totaling 106 mm (4.2 in) spread over 13 days, accompanied by high humidity levels of 80%.
Conversely, March sees slightly lower maximum temperatures, peaking at 33°C (92°F) and averaging around 24°C (76°F), while maintaining the same minimum temperature of 17°C (63°F). However, March is wetter, with precipitation reaching 186 mm (7.3 in) over 21 days, and it also continues to experience high humidity at 80%.
For more detailed information about the weather during this month, you can visit Mount Coolum weather in March.
December and April showcase distinct weather patterns that highlight the transition from the end of the year to the onset of autumn. In December, temperatures are notably warmer, with a minimum of 17°C (62°F) and a scorching maximum reaching 38°C (101°F), resulting in an average temperature of 25°C (77°F). The month experiences higher humidity levels at 80% and more precipitation, totaling 106 mm (4.2 in) over 13 days. In contrast, April presents milder conditions with a lower minimum temperature of 12°C (53°F) and a maximum of 31°C (88°F), leading to a cooler average of 21°C (70°F). Precipitation in April is slightly less at 88 mm (3.5 in) over the same number of rainy days, alongside a slightly lower humidity of 77%. For more specific climatic details, you can check out Mount Coolum weather in April.
December and May showcase distinct weather profiles. In December, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 38°C (101°F), with an average of 25°C (77°F). The humidity is notably high at 80%, accompanied by 106 mm (4.2 in) of precipitation over 13 days. In contrast, May offers a much cooler climate, with temperatures ranging from 7°C (45°F) to a comfortable maximum of 27°C (81°F) and an average of 19°C (66°F). The month sees less rainfall, totaling 59 mm (2.3 in) across 12 days, and a lower humidity level at 73%. For more information, check out Mount Coolum weather in May.
December and June present strikingly different weather conditions. In December, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 38°C (101°F), with an average of 25°C (77°F). This month is characterized by significant humidity at 80% and more precipitation, totaling 106 mm (4.2 in) over 13 days. In contrast, June experiences much cooler weather, with temperatures dipping as low as 4°C (40°F) and peaking at 25°C (78°F), averaging around 16°C (61°F). This month has less rainfall, with only 43 mm (1.7 in) over 8 days, along with lower humidity at 72%. For more details, you can check out the Mount Coolum weather in June.
The weather in December is significantly warmer than in July, with average temperatures reaching 25°C (77°F) compared to just 16°C (60°F) in July. December sees much higher maximum temperatures as well, peaking at 38°C (101°F), while July's maximum is a mild 27°C (81°F). Additionally, December experiences more precipitation, averaging 106 mm (4.2 in) over 13 days, versus July's lighter rainfall of 32 mm (1.2 in) over only 6 days. The humidity in December is also higher at 80%, while July maintains a more comfortable 70% humidity level. For more detailed information, check out Mount Coolum weather in July.
December weather presents a stark contrast to that of August, featuring significantly higher temperatures, with minimums around 17°C (62°F) and maximums soaring up to 38°C (101°F). In comparison, August experiences cooler temperatures, with lows of 4°C (40°F) and highs peaking at 31°C (88°F). Additionally, December is quite wet, averaging 106 mm (4.2 in) of precipitation over 13 days, whereas August remains relatively dry with only 15 mm (0.6 in) falling over just 2 days. Humidity levels are also higher in December at 80%, compared to 72% in August. For more details on August's climate, you can visit Mount Coolum weather in August.
In comparing the weather of December and September, it is clear that December is significantly warmer and more humid. With average temperatures reaching 25°C (77°F) and maximums soaring to 38°C (101°F), December offers a tropical climate compared to September's cooler averages of 19°C (66°F) and maximums of 35°C (96°F). Additionally, December experiences much higher rainfall, with 106 mm (4.2 in) of precipitation over 13 days, while September only sees 22 mm (0.9 in) spread over just 4 days. The humidity in December is also notably higher, at 80%, compared to September’s 70%. For more specifics on September weather, you can check Mount Coolum weather in September.
In comparing December and October weather, we notice a significant increase in temperature during December. The minimum in December is 17°C (62°F), which is 6°C warmer than October's minimum of 11°C (52°F). Additionally, the average temperature in December rises to 25°C (77°F), compared to October's average of 21°C (71°F). This trend continues with December's maximum temperature reaching 38°C (101°F), while October tops out at a cooler 34°C (94°F). However, December also experiences higher precipitation levels with 106 mm (4.2 in) over 13 days, compared to October's 150 mm (5.9 in) over just 11 days, despite the lower humidity in December at 80% versus 72% in October. For more detailed insights, you can explore Mount Coolum weather in October.
In comparing the weather between December and November, December tends to be warmer and more humid. The minimum temperature in December is noticeably higher at 17°C (62°F), while November has a lower minimum of 12°C (54°F). On average, December's temperature reaches 25°C (77°F), compared to November's average of 23°C (73°F). Additionally, the maximum temperature in December can soar to 38°C (101°F), just slightly above November's 37°C (98°F).
December also experiences increased rainfall, with 106 mm (4.2 in) of precipitation over 13 days, whereas November sees 75 mm (3.0 in) over 10 days. Humidity levels rise slightly in December to 80%, compared to 77% in November. For more detailed insights on the weather during this month, you can visit Mount Coolum weather in November.
As December unfolds at Mount Coolum, it ushers in a significant shift in weather compared to the cooler months preceding it. The temperature soars, often peaking at a toasty 38°C (101°F), while the average settles around a comfortable 25°C (77°F). This warmth coincides with a notable increase in humidity, typically reaching around 80%, making the air feel quite muggy. Rain is also more frequent this time of year, with nearly half of December marked by precipitation on 13 days, totaling about 106 mm (4.2 in). This blend of heat and rain sets December apart, creating a vibrant and lush atmosphere perfect for exploring the natural beauty of the region. For a closer look at what to expect throughout the year, visit Mount Coolum Climate.