December Weather in Caloundra, Australia

Last updated: February 26, 2025

Discover the December weather in Caloundra, Australia, where summer sizzles with maximum temperatures soaring up to 38°C (101°F) and a delightful average of 24°C (76°F). The month experiences a refreshing dip to a minimum of 16°C (61°F), perfect for enjoying both warm days and cooler nights. Expect about 115 mm (4.5 in) of rainfall spread across 14 days, contributing to a tropical humidity level of 80% that enhances the vibrant atmosphere. Whether you're basking in the sun or enjoying the lush green landscapes, December is an enticing time to embrace Caloundra's coastal charm.

December Temperature in Caloundra

In Caloundra, Australia, December marks a transition into the peak of summer, bringing with it a significant increase in temperatures. The month kicks off with minimums around 16°C (61°F) and can soar to a searing maximum of 38°C (101°F), making it one of the hottest times of the year. The average temperature settles comfortably at 24°C (76°F), which is ideal for beachgoers and outdoor enthusiasts. As the year ends, you can expect warmer nights compared to earlier months, showcasing a clear upward trend throughout December. With temperatures steadily rising from the pleasant autumn of November, this month promises vibrant summer days filled with sunshine and warmth, perfect for enjoying Caloundra’s beautiful coastal attractions.

December Weather in Caloundra: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Caloundra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec777675696560596165707276
Data source: Temperature data for Caloundra generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Caloundra

In Caloundra, Australia, December marks a notable transition in precipitation patterns, contributing 115 mm (4.5 in) of rainfall over 14 days—a significant increase compared to the drier months of August (18 mm) and July (31 mm). This month stands out as a time when the region prepares for the upcoming summer, with rainfall gradually intensifying from the 83 mm (3.3 in) recorded in November. The frequency of rainy days increases, reflecting a shift toward more humid conditions as the year draws to a close. Overall, December’s precipitation showcases the region's subtropical climate, marrying warm temperatures with the lush green that follows a refreshing downpour.

December Precipitation Trends in Caloundra

The chart displays monthly precipitation patterns in Caloundra, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6213720087635231182516483115
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Caloundra

In Caloundra, Australia, December marks a notable shift towards higher humidity, with levels rising to 80%. This increase is in line with the trend observed from the previous months, where humidity remains elevated during the warmer summer season. Interestingly, following a gradual decline from a peak in January and February, a subtle uptick in humidity is seen in November and December, suggesting a return to the muggy conditions typically associated with the height of summer. Overall, the lush coastal climate of Caloundra remains consistently humid throughout the year, but December represents a definitive embrace of that summer feel, giving both locals and visitors a taste of the warmth that characterizes this beautiful region.

December Average Humidity in Caloundra

This chart illustrates the average monthly humidity levels in Caloundra, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%80%80%77%73%72%70%72%70%72%77%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Caloundra

In Caloundra, Australia, the UV Index in December reaches an intense 15, maintaining the extreme exposure level established earlier in the year. Following a trend observed since January, this month sees a quick 10-minute burn time, reminiscent of high summer sun. As we move through the calendar, the UV Index demonstrates fluctuations, peaking in the summer months and tapering off as autumn approaches. Notably, both November and December share this extreme rating, signaling that sun safety remains a priority as the year concludes. For those planning outdoor activities, understanding these patterns is crucial to enjoy the sunshine responsibly. For more information on UV levels and safety tips, visit Caloundra UV Index.

Maximum UV Index Levels in Caloundra for December

The chart shows the monthly maximum UV Index (UVI) for Caloundra in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec15151410755810121415
Data source: Caloundra December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Caloundra

December in Caloundra, Australia, brings an impressive 332 hours of sunshine, marking it as one of the sunniest months of the year. This vibrant finale to the year showcases a notable trend where sunlight peaks dramatically after November, which itself enjoys 321 hours. The transition into summer turns the spotlight on longer, sun-kissed days that are almost reminiscent of a radiant painting come to life. As the region steps into the warmer months, there's a clear upward trajectory in sunshine hours from the cooler winter months, emphasizing Caloundra's allure for sun seekers looking to bask in the festive glow of summer.

Monthly Sunshine Duration in Caloundra: December Highlighted

The December sunshine duration represents the total number of hours Caloundra experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec277h280h280h278h262h244h262h293h300h297h321h332h
Data source: Caloundra December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Caloundra During December

In December, Caloundra, Australia, offers a 43% chance of sunny weather, indicating a continuation of the fluctuating trends observed throughout the year. As the year winds down, the likelihood of sunshine dips after a brief high in the mid-year months, such as July and August, when the sun graced the skies over 66% of the time. While November typically presents a decline in sunshine with only 31%, December sees a modest resurgence. This suggestive pattern highlights the variability in weather as the festive season approaches; although there's a decent chance for sunny spells, visitors should still prepare for those occasional cloudy days that can accompany the warmer summer weather.

Percentage of Sunny Days in December in Caloundra

The chart illustrates the percentage of sunny days in Caloundra throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Caloundra experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%43%38%58%62%62%66%69%66%52%31%43%
Data source: Caloundra December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Caloundra in December

In Caloundra, Australia, December marks a delightful peak in daylight, with 13 hours of sun illuminating the warm summer days. This month follows a seasonal pattern, as both November and January also bask in the same generous daylight duration. As the year transitions from spring to summer, daylight hours steadily increase, reaching the highest point in December. Conversely, winter months like June, July, and August experience a dip, averaging around 10 hours of daylight. Overall, the daylight duration trends showcase a rhythmic cycle, where the sun's embrace grows stronger in the latter half of the year, creating vibrant evenings perfect for outdoor enjoyment.

Average Daylight Hours in Caloundra for December

The chart illustrates the variation in daylight duration in Caloundra throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 35m12h 59m12h 13m11h 25m10h 46m10h 27m10h 37m11h 10m11h 55m12h 43m13h 25m13h 46m
Data source: Caloundra daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Caloundra

As December rolls into Caloundra, Australia, the average wind speed holds steady at 2.7 m/s (6 mph), aligning closely with the wind conditions of the preceding months. The gentle breeze reflects a consistent pattern throughout the year, showcasing minimal fluctuations in wind speeds across the seasons. Notably, while the start of the year experienced slightly higher winds, the closing months unveil a smooth transition as speeds remain consistently calm, with December matching September's brief uptick to 3.0 m/s (7 mph). This trend highlights a tranquil end to the year, perfect for coastal strolls and beachside relaxation, as the winds provide just enough of a refreshing touch without overwhelming the picturesque summer ambiance.

Average December Wind Speed in Caloundra

The chart displays monthly wind speed patterns in Caloundra, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.82.52.82.62.52.72.33.02.62.72.7 m/s
Data source: Caloundra December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Caloundra Compares to Other Months

The weather in Caloundra 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 Caloundra and find detailed weather information for every month.

In comparing the weather between December and January, December experiences slightly warmer temperatures with a minimum of 16°C (61°F) and an average of 24°C (76°F), peaking at 38°C (101°F). This month also sees higher precipitation, totaling 115 mm (4.5 in) across about 14 days, coupled with a humidity level of 80%. In contrast, January offers marginally cooler temperatures, with a minimum of 17°C (63°F) and an average of 25°C (77°F), and a maximum of 36°C (97°F). Precipitation decreases to 62 mm (2.5 in) over 11 days, bringing humidity down slightly to 79%. For more details on January weather, you can visit Caloundra weather in January.

December and February exhibit similar warm climates, but February tends to be slightly warmer overall. In December, temperatures range from a minimum of 16°C (61°F) to a maximum of 38°C (101°F), with an average of 24°C (76°F). Precipitation is noticeable, with 115 mm (4.5 in) falling over 14 days. In contrast, February sees a minimum temperature of 17°C (63°F) and a maximum of 37°C (99°F), with an average of 25°C (77°F). Precipitation increases to 137 mm (5.4 in) over 15 days, maintaining similar humidity levels at 80%. For more detailed information on February’s weather, you can visit Caloundra weather in February.

In December, the weather is characterized by high temperatures, with daily averages reaching around 24°C (76°F) and maximums peaking at 38°C (101°F). While it does experience some rainfall, averaging 115 mm (4.5 inches) over about 14 days, the humidity remains high at 80%. In contrast, March sees similar minimum temperatures, but the maximum drops to 34°C (94°F). This month experiences a significant increase in precipitation, totaling 200 mm (7.9 inches) over 21 days, yet humidity remains consistent at 80%. For more detailed information, you can check Caloundra weather in March.

December and April present distinct weather profiles. December features warmer temperatures, with a minimum of 16°C (61°F) and a maximum reaching up to 38°C (101°F), creating a hot and humid environment with an average temperature of 24°C (76°F). It also sees significant rainfall, averaging 115 mm (4.5 inches) over 14 days, contributing to a high humidity level of 80%. In contrast, April enjoys cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 32°C (89°F), resulting in a more moderate average of 21°C (70°F). Though it also experiences rain on 14 days, the total precipitation is lower at 87 mm (3.4 inches), accompanied by slightly less humidity at 77%. For more details, check out Caloundra weather in April.

December and May present quite different weather patterns. In December, temperatures can soar from a minimum of 16°C (61°F) to a scorching maximum of 38°C (101°F), with an average of 24°C (76°F). This month also experiences significant rainfall, averaging 115 mm (4.5 in) across 14 days, and high humidity at 80%. In contrast, May offers a milder climate, with temperatures ranging from a cool 7°C (44°F) to a comfortable 27°C (82°F) and an average of 18°C (65°F). The precipitation is notably less, at 63 mm (2.5 in) over 12 days, and humidity is lower at 73%. For a detailed look at the weather in May, you can check Caloundra weather in May.

When comparing the weather in December and June, a stark contrast emerges. December boasts much warmer temperatures, with a minimum of 16°C (61°F) and a high reaching up to 38°C (101°F), making it a hot summer month. In stark comparison, June experiences cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 25°C (78°F). Additionally, December sees significantly more rainfall, averaging 115 mm (4.5 in) across 14 days, whereas June is relatively mild with just 52 mm (2.0 in) of precipitation over 8 days. Humidity levels are also higher in December at 80%, compared to June’s 72%. For more detailed insights, you can explore Caloundra weather in June.

When comparing the weather in December and July, it's clear that December is significantly warmer. December boasts temperatures ranging from a minimum of 16°C (61°F) to a scorching maximum of 38°C (101°F), while July sees much cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 26°C (80°F). Additionally, December experiences higher humidity levels at 80% compared to July's 70%, contributing to a more oppressive heat. Precipitation is also markedly different; December receives 115 mm (4.5 in) of rain over approximately 14 days, while July has a much drier profile with only 31 mm (1.2 in) over 7 days. For a more detailed look at July weather, you can visit Caloundra weather in July.

December and August present stark contrasts in weather conditions. In December, temperatures can soar to a maximum of 38°C (101°F), averaging around 24°C (76°F), and the month experiences considerable rainfall of 115 mm (4.5 in) over approximately 14 days, leading to high humidity levels of 80%. In contrast, August offers much milder temperatures, with a maximum of 32°C (89°F) and an average of just 16°C (61°F), along with significantly lower precipitation at 18 mm (0.7 in) over only 3 days and a humidity level of 72%. For more details on August weather, you can check out Caloundra weather in August.

In December, the weather is significantly warmer and more humid compared to September. While December boasts a minimum temperature of 16°C (61°F) and an average of 24°C (76°F), September’s temperatures start lower, with a minimum of 7°C (45°F) and an average of 19°C (66°F). Additionally, December experiences more intense rainfall, with 115 mm (4.5 in) spread across 14 days, whereas September sees only 25 mm (1.0 in) of precipitation over just 5 days. The humidity in December is also higher, reaching 80%, compared to September’s 70%. For more details, check out Caloundra weather in September.

In December, temperatures in Caloundra range from a minimum of 16°C (61°F) to a maximum of 38°C (101°F), with an average temperature of 24°C (76°F). The month sees substantial rainfall, with 115 mm (4.5 in) over about 14 days and a high humidity level of 80%. In contrast, October features cooler temperatures, with a minimum of 10°C (50°F), an average of 21°C (70°F), and a maximum of 35°C (95°F). October also experiences slightly higher precipitation at 164 mm (6.5 in), spread across about 12 days, accompanied by lower humidity at 72%. For a detailed look at October’s weather, you can check Caloundra weather in October.

In comparing the weather between November and December, December tends to be warmer, with minimum temperatures starting at 16°C (61°F) and maximum temperatures reaching up to 38°C (101°F), compared to November's minimum of 11°C (53°F) and maximum of 36°C (98°F). The average temperature also rises from 22°C (73°F) in November to 24°C (76°F) in December. Additionally, December experiences more rainfall, with 115 mm (4.5 in) over 14 days, while November has 83 mm (3.3 in) across 10 days. Humidity levels are slightly higher in December at 80%, compared to 77% in November. For a more detailed look at November's weather, you can check Caloundra weather in November.

Compare Caloundra's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Caloundra

December in Caloundra is a vibrant welcome to summer, distinctly marked by its warmer temperatures and increased humidity compared to other months. With maximum highs reaching an exhilarating 38°C (101°F) and an average of 24°C (76°F), the days are perfect for beach outings and outdoor activities. However, the month also brings a fair share of precipitation, with about 115 mm (4.5 in) spread over approximately 14 days, adding a refreshing contrast to the sunny spells. This blend of warmth and occasional rain showcases the dynamic weather that characterizes Caloundra in December. For a deeper insight into the region’s year-round weather patterns, explore Caloundra Climate.