December Weather in Ballarat, Australia

Last updated: February 25, 2025

December in Ballarat, Australia features a dynamic climate with maximum temperatures reaching a sizzling 41°C (105°F), while the average settles at a pleasant 16°C (62°F). Nights can be cooler, with minimum temperatures dipping to 3°C (38°F). The month sees 53 mm (2.1 in) of precipitation spread over approximately 7 days, contributing to a humidity level of 50%. This diverse weather pattern makes December a unique time to experience Ballarat, blending summer heat with refreshing rain.

December Temperature in Ballarat

In Ballarat, Australia, December heralds the onset of summer, featuring a temperature range that showcases both warmth and whimsy. The month typically starts with minimums around 3°C (38°F), gradually climbing to an average of 16°C (62°F), and can peak at a sizzling 41°C (105°F). This contrasts sharply with the cooler months preceding it, which see much lower averages and maximums. As December unfolds, residents and visitors alike can expect a sharp uptick in warmth, making it a perfect time for outdoor festivities, while also reminding us of the extreme heat that summer can bring to this vibrant region. The shift from the cool embrace of spring to the blazing sun of summer encapsulates the dynamic climate that characterizes Ballarat.

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

The chart illustrates December temperature patterns in Ballarat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec676362554945444548535862
Data source: Temperature data for Ballarat 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 Ballarat

In December, Ballarat experiences an average precipitation of 53 mm (2.1 in), reflecting a moderate wetness as the year winds down. With about 7 days of rainfall, the month marks a slight decrease in both precipitation amount and rainy days compared to the busier months of August and September, which see the highest totals. This trend of increasing rainfall from late autumn into early summer leads to a distinct pattern where precipitation remains notable but begins to taper off as the warmer months approach. Overall, December's weather is characterized by a balance, providing moisture without overwhelming the festive spirit of the season.

December Precipitation Trends in Ballarat

The chart displays monthly precipitation patterns in Ballarat, 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.
JanFebMarAprMayJunJulAugSepOctNovDec333737557144537564737353
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Ballarat

December in Ballarat, Australia, marks a notable transition as humidity levels dip to 50% after a progression of increasing moisture through the year. Positioned as a bridge between the lush, humid winter months, which see levels rising up to 83% in July, and the more temperate dry summer, December reflects a shift towards more comfortable conditions. Following a peak in the cooler months, with humidity steadily climbing from 60% in March to 79% in May and hovering around 81% in June, December's drop suggests a gradual easing into the warmer months ahead. This pattern highlights the city’s distinct seasonal rhythms, where the lush, humid winter gives way to a more balanced climate, inviting residents and visitors alike to enjoy the tail end of the year with a refreshing atmosphere.

December Average Humidity in Ballarat

This chart illustrates the average monthly humidity levels in Ballarat, 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.
JanFebMarAprMayJunJulAugSepOctNovDec43%49%60%71%79%82%83%79%72%61%59%50%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ballarat

In December, Ballarat experiences its peak UV Index of 14, categorizing the exposure as extreme with a burn time of just 10 minutes. This trend of elevated UV levels is consistent with the preceding months of January and February, which also feature extreme indices of 14 and 12, respectively. As summer approaches, residents and visitors alike should remain vigilant, as the intensity of UV radiation remains high throughout this period. Interestingly, the overall pattern shows a decline in UV readings starting from April, where they drop to a high of 7, indicating the transition to cooler months. However, December’s extreme conditions remind us to protect our skin, especially when enjoying the sunny outdoors. For more information, visit Ballarat UV Index.

Maximum UV Index Levels in Ballarat for December

The chart shows the monthly maximum UV Index (UVI) for Ballarat 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.
JanFebMarAprMayJunJulAugSepOctNovDec14121174335791214
Data source: Ballarat 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 Ballarat

In Ballarat, Australia, December shines as a pinnacle of sunshine, boasting 332 hours of radiant daylight—more than any other month of the year. This surge in sunlight marks a striking contrast to the cooler months; while June and July provide a mere 189 and 199 hours respectively, December signals the arrival of summer with an invigorating embrace of warmth and light. Following a steady climb through the spring months, where October and November enjoy 274 and 292 hours, December encapsulates the joy of longer days, encouraging outdoor activities and festive gatherings. This trend showcases Ballarat's seasonal transformation, inviting residents and visitors alike to bask in the glorious summer sun.

Monthly Sunshine Duration in Ballarat: December Highlighted

The December sunshine duration represents the total number of hours Ballarat 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.
JanFebMarAprMayJunJulAugSepOctNovDec286h292h290h229h204h189h199h217h247h274h292h332h
Data source: Ballarat December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ballarat During December

In Ballarat, Australia, December stands out as a promising month for sunshine enthusiasts, boasting a 54% chance of sunny weather—the highest of the year. This uptick in brightness marks a significant shift from the colder months, where the sun's appearances dwindle to a mere 18% in June and 23% in July. Following the relatively subdued spring months, December's sun opportunity signals a revitalizing start to summer, making it an ideal time for outdoor activities and gatherings. As the year wraps up, the gradual increase in sunny days hints at nature’s warm embrace, inviting residents and visitors alike to bask in Ballarat's festive spirit under clearer skies.

Percentage of Sunny Days in December in Ballarat

The chart illustrates the percentage of sunny days in Ballarat 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 Ballarat experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%45%37%38%38%19%23%31%33%29%31%54%
Data source: Ballarat December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ballarat in December

In Ballarat, Australia, December marks a peak in daylight duration, offering an inviting 14 hours of sunshine that resonates with the festive spirit of the season. As the year progresses, daylight sees a gradual decline from the lengthy days of summer, where both January and November also bask in 14 hours. The shift is apparent as February sees a slight reduction to 13 hours, tapering down to 12 hours in March and further dwindling to 10 hours by May. The shortest days occur in June and July, each providing just 9 hours of light. However, as winter retreats, daylight begins its climb once more, restoring vibrancy by August and reaching 14 hours again by the beginning of summer in December. This cyclical pattern highlights the stark contrasts between the exuberance of summer and the more subdued energy of winter in Ballarat.

Average Daylight Hours in Ballarat for December

The chart illustrates the variation in daylight duration in Ballarat throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 24m13h 28m12h 17m11h 5m10h 5m9h 35m9h 50m10h 42m11h 50m13h 3m14h 8m14h 41m
Data source: Ballarat daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ballarat

As December unfolds in Ballarat, Australia, the average wind speed settles at 3.9 m/s (or 9 mph), maintaining a steady breeze that carries through the summer's edge. Throughout the year, wind speeds show a slight upward trend during the colder months, peaking in July at 4.4 m/s before tapering off as spring approaches. Interestingly, both May and September also register at 4.3 m/s, suggesting that seasonal shifts bring moments of lively winds. As the year closes, the winds remind us of their capricious nature, where even the mildest days can dance with breezy whispers, inviting residents and visitors alike to embrace the outdoors amidst the gentle gusts.

Average December Wind Speed in Ballarat

The chart displays monthly wind speed patterns in Ballarat, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.13.83.43.33.84.04.44.24.33.94.03.9 m/s
Data source: Ballarat December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ballarat Compares to Other Months

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

In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 41°C (105°F), with an average of 16°C (62°F). The month experiences about 53 mm (2.1 in) of precipitation over 7 days, and the humidity is generally around 50%. In contrast, January sees slightly warmer temperatures, with a minimum of 6°C (42°F) and an average of 19°C (67°F), peaking at 39°C (102°F). Precipitation decreases to 33 mm (1.3 in) over just 5 days, and humidity drops to 43%. This shift indicates a transition to warmer and drier conditions as the summer progresses. For more detailed information, you can check Ballarat weather in January.

In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 41°C (105°F), with an average of 16°C (62°F). The month sees a fair amount of rain, totaling 53 mm (2.1 in) over about 7 days, alongside a humidity level of 50%. In contrast, February experiences slightly milder temperatures, with a minimum of 4°C (40°F) and a maximum of 39°C (102°F), averaging 17°C (64°F). Precipitation decreases to 37 mm (1.4 in) spread over just 5 days, and humidity remains relatively consistent at 49%. For more detailed insights, check out Ballarat weather in February.

In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 41°C (105°F), with an average temperature of 16°C (62°F) and 53 mm (2.1 in) of precipitation over about 7 days. The humidity levels are moderate at 50%. In contrast, March experiences similar minimum and average temperatures, but the maximum temperature is cooler at 35°C (95°F). Precipitation decreases to 37 mm (1.5 in) over 6 days, and humidity rises slightly to 60%. For more detailed information about March weather, visit Ballarat weather in March.

In December, the weather exhibits a wide temperature range, with a minimum of 3°C (38°F) and a maximum reaching up to 41°C (105°F), resulting in a hot and dry atmosphere, reflected in its average temperature of 16°C (62°F) and lower humidity of 50%. In contrast, April presents a cooler climate, where temperatures drop significantly, with a minimum of 0°C (31°F) and a maximum of 30°C (85°F). While the average temperature is slightly lower at 13°C (56°F), April experiences a higher humidity level at 71% and slightly increased precipitation of 55 mm (2.2 in) over 8 days. For more specific insights about April's weather, you can explore this link: Ballarat weather in April.

When comparing the weather of December and May, notable differences emerge in terms of temperature and humidity. December typically experiences warmer conditions, with an average temperature of 16°C (62°F) and maximums reaching up to 41°C (105°F). In contrast, May has a cooler average temperature of 9°C (49°F) and maximums around 22°C (72°F). Additionally, December has a relatively lower humidity at 50%, whereas May sees a spike in humidity levels at 79%. Precipitation is also more frequent in May, with 70 mm (2.8 in) falling over 12 days compared to December's 53 mm (2.1 in) over just 7 days. For more detailed insights into May weather, you can visit Ballarat weather in May.

In December, the weather in Ballarat is significantly warmer, with average temperatures ranging from a minimum of 3°C (38°F) to a scorching maximum of 41°C (105°F), accompanied by a moderate precipitation of 53 mm over 7 days and humidity around 50%. In contrast, June experiences much cooler temperatures, where the minimum can drop to -3°C (27°F) and the average hovers around 7°C (45°F), peaking at 16°C (60°F). Precipitation in June is slightly lower, at 44 mm over 8 days, but the humidity is considerably higher at 81%, making the atmosphere feel quite damp. For those interested in learning more about Ballarat's June climate, you can check out Ballarat weather in June.

When comparing the weather in December and July, it's clear that these months present significantly different climates. December experiences much warmer temperatures, with a minimum of 3°C (38°F) and a maximum that can soar up to 41°C (105°F), while July is notably cooler, with temperatures ranging from a minimum of -2°C (30°F) to a maximum of 16°C (61°F). Precipitation levels are similar, both months recording 53 mm (2.1 in), but July sees more rain over 12 days compared to December's 7 days. Additionally, humidity levels are much higher in July at 83%, contrasting with December's more moderate 50%. For more detailed information on Ballarat's July weather, you can check Ballarat weather in July.

December and August exhibit contrasting weather characteristics. In December, temperatures range from a minimum of 3°C (38°F) to a scorching maximum of 41°C (105°F), with an average around 16°C (62°F). This month experiences moderate precipitation of 53 mm (2.1 in) over about 7 days, coupled with a humidity level of 50%. In sharp contrast, August sees cooler temperatures, with minima dropping to -3°C (27°F) and a maximum of only 17°C (63°F), resulting in a much lower average of 7°C (45°F). Precipitation is higher at 75 mm (3.0 in), spread over 14 days, and the humidity significantly rises to 79%. For more details, you can explore Ballarat weather in August.

When comparing the weather in December and September, significant differences can be noted in temperature, precipitation, and humidity. December typically experiences warmer temperatures, ranging from a minimum of 3°C (38°F) to a scorching maximum of 41°C (105°F), while September is much cooler, with temperatures varying from a low of -2°C (29°F) to a high of 24°C (76°F). Additionally, December has an average precipitation of 53 mm (2.1 in) over about 7 days, resulting in a milder rainfall pattern, compared to September's higher precipitation of 64 mm (2.5 in) occurring over 14 days, contributing to its increased humidity at 72%. For a detailed look at September's weather, you can refer to Ballarat weather in September.

In December, the weather tends to be warmer, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 41°C (105°F), compared to the cooler October temperatures that range from -1°C (31°F) to 30°C (87°F). While December sees less rainfall at 53 mm (2.1 in) over about 7 days, October experiences slightly more precipitation at 73 mm (2.9 in) over 12 days. Additionally, December's humidity averages around 50%, which is lower than October's higher humidity level of 61%. For more detailed insights on October weather, check out Ballarat weather in October.

In December, temperatures in Ballarat experience a notable increase compared to November, with a minimum of 3°C (38°F) and a maximum reaching 41°C (105°F), while November sees a range from 0°C (33°F) to a maximum of 34°C (93°F). The average temperature in December is slightly higher at 16°C (62°F), compared to November’s 14°C (58°F). However, December also brings more heat and lighter precipitation, totaling 53 mm (2.1 in) over 7 days, while November experiences 73 mm (2.9 in) of rainfall over 9 days, indicating a wetter month overall. Humidity is also lower in December at 50%, contrasting with November’s higher humidity of 59%. For more detailed information, visit Ballarat weather in November.

Compare Ballarat's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ballarat

December in Ballarat marks a departure from the cooler months, showcasing a vibrant blend of heat and humidity. With temperatures soaring to a maximum of 41°C, this month invites the warmth of summer, contrasting sharply with the milder averages seen in previous seasons. While the average is a comfortable 16°C, the occasional drop to 3°C reminds us that cool evenings are still possible. Rainfall is moderate, with about 53 mm spread over 7 days, allowing for just enough moisture to keep the landscape lush. For those curious about the broader climate patterns throughout the year, further insights can be found at Ballarat Climate.