December Weather in Bunbury, Australia

Last updated: February 25, 2025

In Bunbury, Australia, December showcases a diverse climate spectrum, with maximum temperatures soaring to 38°C (101°F), inviting plenty of summer activities. The average temperature rests at a comfortable 21°C (70°F), while cooler nights can drop to a refreshing minimum of 9°C (49°F). This month experiences only 13 mm (0.5 in) of precipitation over just 2 days, allowing for ample sunshine and outdoor enjoyment. With a humidity level of 53%, the weather offers a warm, yet manageable atmosphere, perfect for both relaxation and exploration.

December Temperature in Bunbury

In Bunbury, Australia, December ushers in the heart of summer, showcasing a notable rise in temperatures. The month begins with minimums around 9°C (49°F) and peaks at a sizzling 38°C (101°F), slightly hotter than the preceding months. This significant variance emphasizes the transition towards warmer days.

With an average temperature of 21°C (70°F), December serves as a delightful backdrop for outdoor activities and gatherings, complementing the festive spirit of the season. Compared to the cooler months, such as July and August, which experience average highs around 13°C (56°F), the warmth of December invites sun-seekers and beach enthusiasts alike to revel in the vibrant atmosphere. As the year winds down, Bunbury offers the perfect setting to soak in the sun's rays, making December an unforgettable experience.

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

The chart illustrates December temperature patterns in Bunbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec727270645957555556596470
Data source: Temperature data for Bunbury generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Bunbury

December in Bunbury, Australia, marks a noticeable dip in precipitation, with only 13 mm (0.5 inches) recorded over 2 days. This slight increase from November's rainfall suggests the dry season is well underway, as the preceding months showcased a gradual rise in precipitation leading up to May, which experienced a hefty 80 mm (3.1 inches). The trend reveals that Bunbury transitions into its warmer months with relatively low rainfall, setting the stage for sunnier days ahead. As the year wraps up, the reduced precipitation not only highlights December's position in the climate calendar but also aligns with the region's characteristic shift towards more arid conditions.

December Precipitation Trends in Bunbury

The chart displays monthly precipitation patterns in Bunbury, 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.
JanFebMarAprMayJunJulAugSepOctNovDec114031328012014511464472613
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bunbury

In December, Bunbury, Australia experiences a drop in humidity to a comfortable 53%, providing a refreshing end to the year. This decline follows a trend of increasing moisture that peaks during the colder months, with humidity levels rising steadily from 52% in January to a high of 77% in both June and July. As the year progresses, the air becomes progressively more humid, reaching its maximum in late winter before gradually decreasing in the spring and early summer months. By December, Bunbury's humidity reflects a transition, marking a mild and pleasant atmosphere as residents prepare to welcome the warm summer ahead.

December Average Humidity in Bunbury

This chart illustrates the average monthly humidity levels in Bunbury, 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.
JanFebMarAprMayJunJulAugSepOctNovDec53%55%59%70%72%77%77%75%71%63%56%53%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bunbury

In December, Bunbury experiences an extreme UV Index of 14, with a burn time as short as 10 minutes, marking it among the peak months for sun exposure. This trend of high UV levels is consistent with previous months, such as January and February, which also recorded a striking index of 14. As the year progresses towards autumn, the UV Index gradually declines, dipping to a very high level of 8 in April and steadily decreasing through winter. It's clear that during the summer months, the sun's intensity is formidable, emphasizing the importance of sun protection. For more information on UV levels throughout the year, visit Bunbury UV Index.

Maximum UV Index Levels in Bunbury for December

The chart shows the monthly maximum UV Index (UVI) for Bunbury 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.
JanFebMarAprMayJunJulAugSepOctNovDec141411854468101214
Data source: Bunbury 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 Bunbury

December in Bunbury, Australia, shines brightly as it boasts an impressive 382 hours of sunshine, making it the sunniest month of the year. This radiant finale to the year follows a steady increase in daylight hours, from 273 in May to a staggering 347 in November. The summer months, particularly December, thrive under the sun's warm embrace, highlighting a clear trend where sunshine hours peak during the festive season. As the year closes, Bunbury transforms into a sun-drenched paradise, inviting locals and visitors alike to bask in its bright, cheerful atmosphere.

Monthly Sunshine Duration in Bunbury: December Highlighted

The December sunshine duration represents the total number of hours Bunbury 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.
JanFebMarAprMayJunJulAugSepOctNovDec310h316h320h285h273h255h264h282h291h321h347h382h
Data source: Bunbury December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bunbury During December

In December, Bunbury, Australia, enjoys a favorable likelihood of sunny weather, with a 74% chance of sunshine that sets a cheerful tone for the month. This trend reflects a notable resilience in sunny days as the year winds down, following a dip in more overcast months like May and July. The chances of sun in December echo the warmer months just prior, notably exceeding November's 60% and aligning closely with the peak season of January. As summer approaches, residents and visitors can anticipate a delightful blend of warmth and bright skies, making December an ideal time for outdoor activities and celebrations.

Percentage of Sunny Days in December in Bunbury

The chart illustrates the percentage of sunny days in Bunbury 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 Bunbury experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%54%50%37%45%39%51%61%44%60%74%
Data source: Bunbury December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bunbury in December

In Bunbury, Australia, the daylight duration exhibits a rhythmic pattern throughout the year, peaking in the summer months. Starting strong, December boasts 14 hours of daylight, mirroring the longest days of January, before gradually descending into a more subdued 11 hours by April. As the seasons shift, daylight dwindles to a cozy 9 hours in June, inviting the essence of winter. However, as spring approaches in September, daylight begins to rise again, reaching 13 hours in November. This cyclical journey not only marks the passage of time but also enriches the beauty of each season, allowing residents and visitors alike to enjoy the vibrant outdoor lifestyle that Bunbury offers year-round.

Average Daylight Hours in Bunbury for December

The chart illustrates the variation in daylight duration in Bunbury throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 2m13h 15m12h 15m11h 14m10h 23m9h 58m10h 11m10h 55m11h 53m12h 54m13h 49m14h 17m
Data source: Bunbury daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Bunbury

As December sweeps into Bunbury, Australia, the winds begin to settle into a gentle rhythm, with an average speed of 4.9 m/s (11 mph). This slight uptick from the spring months reflects a gradual shift towards calmer conditions, particularly when compared to the gustier July, which boasts an average of 5.9 m/s (13 mph). While December's breezes are milder than the peak summer winds, they maintain a refreshing essence, reminiscent of the more robust autumnal gusts. Overall, the trend showcases a transitional phase, as Bunbury moves into the sultrier summer months, where wind speeds will likely fluctuate but typically remain comfortably breezy.

Average December Wind Speed in Bunbury

The chart displays monthly wind speed patterns in Bunbury, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.45.13.93.53.74.15.94.44.14.24.54.9 m/s
Data source: Bunbury December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Bunbury Compares to Other Months

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

In December, the weather is characterized by a warm range of temperatures, with a minimum of 9°C (49°F), an average of 21°C (70°F), and a maximum reaching up to 38°C (101°F). Despite this heat, precipitation is relatively low at 13 mm (0.5 in), occurring over just 2 days, while humidity remains moderate at 53%.

January sees a slight increase in the minimum temperature, averaging 10°C (50°F) and a marginal increase in the average temperature to 22°C (72°F). However, the maximum temperature decreases to 35°C (96°F), bringing a cooler feel overall. Precipitation is even lower in January at 11 mm (0.4 in) across just 1 day, with humidity slightly dropping to 52%. For a comprehensive overview of the month, check out Bunbury weather in January.

In comparing the weather between December and February, we see some notable differences. December typically experiences slightly warmer temperatures, with a minimum of 9°C (49°F) and a maximum of 38°C (101°F), while February has a minimum of 11°C (51°F) and a maximum of 33°C (93°F). February is also marked by increased precipitation, receiving 40 mm (1.6 in) over 2 days compared to December's lower total of 13 mm (0.5 in), although both months display similar humidity levels at around 53% and 55%, respectively. For a more detailed look at February weather specifically, you can explore Bunbury weather in February.

When comparing the weather in December and March, both months experience similar average temperatures, hovering around 21°C (70°F). However, December tends to be hotter overall, with maximum temperatures reaching up to 38°C (101°F), while March's highs are more moderate at 34°C (94°F). Additionally, March is characterized by increased precipitation, with 31 mm (1.2 in) of rain over four days, compared to December's lighter 13 mm (0.5 in) over just two days. Humidity levels also rise slightly in March, averaging 59% versus December's 53%. For a more detailed look at March weather, check out Bunbury weather in March.

In December, temperatures in Bunbury can soar with a minimum of 9°C (49°F) and an average high of 38°C (101°F), making it quite warm overall, while April experiences a cooler climate with minimum temperatures around 7°C (45°F) and a maximum of 31°C (89°F). Additionally, December tends to be drier, with only 13 mm (0.5 in) of precipitation over just two days, compared to April, which sees increased rainfall of 32 mm (1.3 in) over four days and higher humidity at 70%. For more detailed insights, check out Bunbury weather in April.

When comparing the weather in December and May, it’s evident that December experiences much warmer temperatures, with a minimum of 9°C (49°F) and an average high of 38°C (101°F). In contrast, May features cooler temperatures, ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F), making it noticeably chillier. Additionally, December has relatively low precipitation, with only 13 mm (0.5 in) spread over just 2 days, while May is significantly wetter, receiving 80 mm (3.1 in) over 8 days. The humidity also varies, with December at 53% and May higher at 72%, contributing to a different feel in the air. For more information on May weather specifics, check out Bunbury weather in May.

The weather in December is characterized by warmer temperatures, with a minimum of 9°C (49°F), an average of 21°C (70°F), and a maximum reaching up to 38°C (101°F). In contrast, June offers much cooler conditions, starting with a minimum of 5°C (41°F) and peaking at only 23°C (73°F). December is relatively dry with only 13 mm of precipitation over 2 days, while June experiences significantly more rainfall, totaling 120 mm over 12 days, and higher humidity at 77%. For a detailed look at the June weather, you can check out Bunbury weather in June.

In comparing the weather between December and July, December emerges as a much warmer month, with average temperatures ranging from a comfortable 21°C (70°F) to a scorching high of 38°C (101°F). In contrast, July is significantly cooler, with average temperatures only reaching 13°C (56°F) and rarely exceeding 20°C (69°F). Precipitation patterns also differ sharply; December experiences minimal rainfall with just 13 mm (0.5 in) over two days, while July sees substantial precipitation of 145 mm (5.7 in) spread across 16 days, contributing to a higher humidity of 77%. For a more detailed look at July's weather, you can check Bunbury weather in July.

When comparing the weather in December and August, striking differences become apparent. December boasts warmer temperatures, with averages reaching 21°C (70°F) and highs soaring up to 38°C (101°F). In contrast, August experiences cooler conditions, with an average temperature of only 13°C (55°F) and a maximum of 22°C (72°F). Precipitation patterns also vary significantly; December sees minimal rainfall of just 13 mm (0.5 in) over 2 days, while August is notably wetter, recording 114 mm (4.5 in) across 11 days of rain. Furthermore, humidity levels are higher in August at 75%, compared to December's 53%. For a more detailed look at August’s climate, you can check Bunbury weather in August.

December and September exhibit notable differences in weather conditions. December experiences a warmer climate, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 38°C (101°F), while September's temperatures are significantly cooler, fluctuating between 4°C (39°F) and 24°C (76°F). Precipitation levels also vary greatly; December sees only 13 mm (0.5 in) over just 2 days, whereas September is much wetter with 64 mm (2.5 in) across 10 days. Additionally, humidity levels are higher in September at 71%, compared to December's 53%. For more detailed insights, check out Bunbury weather in September.

When comparing the weather in December and October, there's a notable difference in temperature and precipitation. December boasts warmer temperatures, with a minimum of 9°C (49°F) and a maximum soaring to 38°C (101°F), resulting in a pleasant average of 21°C (70°F). In contrast, October has cooler averages, starting at a minimum of 5°C (41°F) and peaking at 30°C (86°F), with an average temperature of only 15°C (60°F). Additionally, October experiences significantly more rainfall, with 47 mm (1.8 in) over 8 days, compared to December's lighter precipitation of just 13 mm (0.5 in) over 2 days. Humidity is also higher in October at 63%, making it feel more humid compared to December's 53%. For more detailed insights, you can check Bunbury weather in October.

When comparing the weather in December to November, December tends to be slightly warmer overall. The minimum temperature in December is 9°C, compared to November's 6°C, while the average temperature rises from 18°C in November to 21°C in December. Additionally, December reaches a maximum of 38°C, exceeding November’s high of 34°C. Precipitation also differs, with December receiving only 13 mm over 2 days, in contrast to November’s 26 mm over 4 days. Humidity levels are comparable, with December at 53% and November at 56%. For more details on November's climate, you can refer to Bunbury weather in November.

Compare Bunbury's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Bunbury

In December, Bunbury experiences a significant shift in weather, marked by warmer temperatures that peak around 38°C (101°F), creating a vibrant and lively atmosphere perfect for outdoor activities. The average temperature of 21°C (70°F) provides a pleasant backdrop, while cooler nights drop to a refreshing 9°C (49°F)—a notable contrast to the warmer days. With only 13 mm (0.5 in) of rainfall spread over just 2 days, this month stands out as relatively dry, allowing sunshine to dominate. The humidity sits at a comfortable 53%, making the warmth feel even more inviting. For a deeper understanding of how December's weather shapes the festive vibe, check out Bunbury Climate.