December Weather in Goulburn, Australia

Last updated: February 25, 2025

December in Goulburn, Australia showcases a remarkable contrast in temperatures, ranging from a chilly minimum of 4°C (40°F) to a sweltering maximum of 38°C (100°F). With an average temperature of 18°C (65°F), this month invites a mix of summer heat and cool nights. Rainfall totals around 77 mm (3.0 in), typically falling over 9 days, contributing to the region's lush landscapes. Humidity hovers at a comfortable 61%, creating a pleasantly warm atmosphere ideal for outdoor activities and festive celebrations.

December Temperature in Goulburn

In Goulburn, Australia, December ushers in the early summer warmth, showcasing a significant rise in temperatures compared to the cooler months. With minimum temperatures hovering around 4°C (40°F) and averaging 18°C (65°F), the days gradually become more inviting. The maximum temperatures, peaking at 38°C (100°F), indicate a marked shift from the chill of winter, making December a warm and vibrant month. This transitional period not only highlights the progression toward summer but also sets the stage for outdoor activities, as the region basks in plentiful sunshine. The trend emphasizes a welcoming climate, perfect for enjoying Goulburn’s scenic beauty and festive atmosphere.

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

The chart illustrates December temperature patterns in Goulburn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec706662574945444550566065
Data source: Temperature data for Goulburn 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 Goulburn

In December, Goulburn experiences a notable shift in precipitation patterns, receiving 77 mm (3.0 in) of rain over 9 days. This amount is substantial yet lesser than the preceding month of November, which saw the highest rainfall of 100 mm (3.9 in). December’s consistent rainy days signal a transition towards the warmer summer months, creating a backdrop for lush landscapes that thrive on this moisture. Interestingly, the increase in rainfall from the drier months of April (only 24 mm) and May (43 mm) emphasizes the region's dynamic weather systems, as this month wraps up the year with a balance of wet and moderately warm conditions, indicating a trend towards increasing precipitation as the seasons progress.

December Precipitation Trends in Goulburn

The chart displays monthly precipitation patterns in Goulburn, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4587992443313665406710077
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Goulburn

In Goulburn, Australia, December often embodies a blend of seasonal transition as humidity levels settle at 61%. This month marks a slight dip compared to the peak of 80% experienced in July, yet it reveals a gradual decrease from the more humid conditions of the previous months. As the year progresses, humidity begins to rise steadily from 58% in January, reaching its zenith in May at 78%. Following this peak, there's a noticeable decline through the latter part of the year, with December's average bringing a refreshing touch before the dry season approaches. This rhythm of humidity reflects Goulburn's climatic shifts, making each month uniquely characteristic while hinting at the region's humid subtropical influence.

December Average Humidity in Goulburn

This chart illustrates the average monthly humidity levels in Goulburn, 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.
JanFebMarAprMayJunJulAugSepOctNovDec58%65%68%74%78%80%81%77%70%58%57%61%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Goulburn

In Goulburn, Australia, the UV Index reaches extreme levels in December, peaking at 15, identical to the heights observed in January and November. This trend suggests a powerful summer sun, captured in a burn time of just 10 minutes, urging residents and visitors alike to take immediate precautions against overexposure. As the year progresses, the UV Index generally drops, with lower values in the cooler months, but the consistent extreme ratings in late spring to early summer highlight the critical need for sun safety. This shift from the intense UV levels of December back to more moderate conditions underscores the importance of vigilance throughout the summer months. For more detailed information, you can explore the Goulburn UV Index.

Maximum UV Index Levels in Goulburn for December

The chart shows the monthly maximum UV Index (UVI) for Goulburn 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.
JanFebMarAprMayJunJulAugSepOctNovDec151412853468101315
Data source: Goulburn 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 Goulburn

Goulburn, Australia, basks in December’s radiant glow, boasting an impressive 337 hours of sunshine—the highest of the year. This surge in sunlight marks a delightful trend as the warmer months approach, culminating in an uplifting end to the year. While January through November sees gradually increasing sunlight hours, December stands out as the apex of brightness, providing both residents and visitors with the perfect backdrop for outdoor activities and festive celebrations. This annual crescendo of sunshine not only enhances the beauty of Goulburn's landscapes but also elevates the spirits of those enjoying the vibrant summer days.

Monthly Sunshine Duration in Goulburn: December Highlighted

The December sunshine duration represents the total number of hours Goulburn 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.
JanFebMarAprMayJunJulAugSepOctNovDec273h288h280h269h245h213h240h260h282h299h300h337h
Data source: Goulburn December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Goulburn During December

In Goulburn, Australia, December brings a moderate likelihood of sunny weather, with a 35% chance of sunshine gracing the skies. This is a notable increase compared to the preceding month, November, which sees only a 20% chance of sunny days. As the year advances, the chances of sun gradually rise from the cooler winter months—with June at 25% and July at 34%—and reach their peak in the vibrant month of April, hitting 65%. Overall, December stands as a transitional month, hinting at a brightening trend as the region moves towards the warmer summer months ahead.

Percentage of Sunny Days in December in Goulburn

The chart illustrates the percentage of sunny days in Goulburn 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 Goulburn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%30%36%65%50%25%34%47%54%47%20%35%
Data source: Goulburn December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Goulburn in December

In Goulburn, Australia, the daylight duration experiences a fascinating ebb and flow throughout the year, peaking in the summer months. December, with its generous 14 hours of daylight, marks the climax of this cycle, offering residents a delightful opportunity to bask in the sun. Following this, the trend gradually shifts downward as January maintains the same length before a subtle decline through February and into the cooler autumn months. By June, daylight is at its shortest with only 9 hours, heralding the depths of winter. However, as the seasons transition, daylight begins to reclaim its time, slowly increasing through July and August, before blossoming back to 14 hours by December. This annual rhythm not only shapes the natural environment but also influences the lifestyle and activities of Goulburn’s community.

Average Daylight Hours in Goulburn for December

The chart illustrates the variation in daylight duration in Goulburn throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 10m13h 20m12h 16m11h 11m10h 17m9h 50m10h 3m10h 50m11h 52m12h 57m13h 55m14h 25m
Data source: Goulburn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Goulburn

As December sweeps into Goulburn, Australia, the average wind speed takes a gentle dip to 3.1 m/s (7 mph), marking one of its calmer moments of the year. This decline follows a trend of increasing winds through the colder months, peaking at 4.4 m/s (10 mph) in July. The spring months show a moderate consistency, with speeds hovering between 3.3 to 4.3 m/s (7 to 10 mph), before settling down as summer approaches. This gradual decrease in wind intensity not only characterizes December's tranquility but also sets a serene backdrop for the festive season, inviting both locals and visitors to enjoy the charm of Goulburn’s landscapes in a refreshing yet gentle breeze.

Average December Wind Speed in Goulburn

The chart displays monthly wind speed patterns in Goulburn, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.23.73.13.33.74.44.24.33.83.73.1 m/s
Data source: Goulburn December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Goulburn Compares to Other Months

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

December and January present slightly varying weather patterns. In December, temperatures range from a minimum of 4°C (40°F) to an average of 18°C (65°F) and a peak of 38°C (100°F). This month is also characterized by higher precipitation, totaling 77 mm (3.0 in) over about 9 days, alongside a humidity level of 61%. In contrast, January sees a higher minimum temperature of 8°C (46°F) and an average of 21°C (70°F), with similar maximum temperatures reaching up to 38°C (101°F). Rainfall decreases to 44 mm (1.8 in) over 7 days, and humidity drops slightly to 58%. These changes highlight a trend towards warmer and drier conditions as the year transitions from December to January. For more detailed information, check out Goulburn weather in January.

In December, the weather is characterized by a wide temperature range, with minimums around 4°C (40°F) and maximums reaching up to 38°C (100°F). The average temperature sits at 18°C (65°F), accompanied by 77 mm (3.0 in) of precipitation over 9 days and a humidity level of 61%. In comparison, February exhibits slightly warmer temperatures, with minimums at 5°C (41°F) and maximums of 39°C (102°F). The average for this month rises to 19°C (66°F), and precipitation increases to 87 mm (3.4 in) over 8 days, coupled with higher humidity levels at 65%. For a more detailed look at the weather specifics, you can check Goulburn weather in February.

In comparing the weather of December and March, we can see notable differences in temperature and precipitation. December boasts a wider temperature range, with minimums of 4°C (40°F) and maximums reaching up to 38°C (100°F), while March has slightly cooler temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 33°C (91°F). Precipitation levels also vary, with December receiving about 77 mm (3.0 in) over 9 days, compared to March's 99 mm (3.9 in) spread across 13 days. Additionally, humidity in March is higher at 68%, compared to December's 61%. For a closer look at what to expect, check out Goulburn weather in March.

In December, the weather is noticeably warmer, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 38°C (100°F), and an average temperature of 18°C (65°F). This month also experiences higher precipitation, totaling 77 mm (3.0 in) over approximately 9 days, with a humidity level of 61%.

In contrast, April brings cooler temperatures, with minimums around 1°C (35°F) and maximums reaching 29°C (85°F), averaging 14°C (57°F). This month sees significantly less rainfall, only 24 mm (0.9 in) across about 3 days, and a higher humidity of 74%.

For more detailed information about weather conditions specific to April, you can visit Goulburn weather in April.

December weather in Goulburn features a wide temperature range with minimums around 4°C (40°F) and maximums peaking at 38°C (100°F), resulting in an average temperature of 18°C (65°F). This month brings about 77 mm (3.0 in) of precipitation over approximately 9 days, coupled with a humidity level of 61%. In contrast, May experiences much cooler conditions, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 23°C (74°F), and an average temperature of 10°C (50°F). May typically sees less precipitation at 43 mm (1.7 in) across about 6 days, along with higher humidity levels of 78%. For more detailed insights, you can check out Goulburn weather in May.

In December, the weather is significantly warmer, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 38°C (100°F), and an average of 18°C (65°F). The month experiences more rainfall, with 77 mm (3.0 in) of precipitation spread over 9 days and an average humidity of 61%. In stark contrast, June sees much cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 18°C (64°F), averaging only 7°C (45°F). The precipitation is lighter in June, totaling 31 mm (1.2 in) over just 5 days, while humidity is higher at 79%. For a more detailed look at June’s weather, you can check Goulburn weather in June.

In December, the weather is marked by warmer temperatures, with averages around 18°C (65°F) and maximums soaring up to 38°C (100°F), while minimum temperatures can dip to a milder 4°C (40°F). This month experiences more rainfall, totaling 77 mm (3.0 in) over approximately 9 days, coupled with a humidity level of 61%. In contrast, July brings much cooler conditions, with an average temperature of just 7°C (44°F) and maximums reaching 19°C (66°F), while minimums can drop to -4°C (25°F). Precipitation is lower in July at 36 mm (1.4 in) over 6 days, accompanied by higher humidity at 80%. For more detailed insights on July weather specifically, check out Goulburn weather in July.

When comparing the weather in December and August, a stark contrast emerges. December features much warmer temperatures, with a minimum of 4°C (40°F) and an average high of 38°C (100°F), while August sees cooler conditions, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 20°C (68°F). Furthermore, December experiences slightly more precipitation at 77 mm (3.0 in) compared to August's 65 mm (2.6 in), although both months share an equal number of rainy days at nine. August also has higher humidity levels at 77%, making the air feel quite different from the relatively milder humidity of 61% in December. For more detailed information on the weather during this time, you can check Goulburn weather in August.

December and September present contrasting weather patterns, reflecting a transition from the coolness of early spring to the heat of late summer. In December, temperatures range significantly, with a minimum of 4°C (40°F) and a maximum reaching up to 38°C (100°F), creating an average temperature of 18°C (65°F). This month experiences about 77 mm (3.0 in) of precipitation over approximately 9 days, accompanied by a humidity level of 61%. In contrast, September is much cooler, with temperatures dipping as low as -3°C (27°F) and peaking at 28°C (83°F), leading to a more moderate average of 10°C (51°F). Rainfall is also lower in September, totaling 40 mm (1.6 in) over about 6 days, alongside a higher humidity level of 70%. For more details on September weather, you can visit Goulburn weather in September.

In December, the weather is noticeably warmer than in October, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 38°C (100°F), compared to October's milder range of 0°C (33°F) to 29°C (84°F). The average temperature in December reaches 18°C (65°F), significantly higher than October's average of 13°C (56°F). While December experiences slightly more precipitation at 77 mm (3.0 in) over 9 days, October has a comparable 67 mm (2.7 in) over 11 days, indicating a wetter month overall despite the warmer weather in December. Humidity levels are also slightly higher in December at 61%, while October maintains a comfortable 58%. For a detailed look at October weather, you can visit Goulburn weather in October.

When comparing the weather of December to November, December tends to be warmer overall, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 38°C (100°F), compared to November's range of 0°C (33°F) to 35°C (96°F). Additionally, December experiences slightly less precipitation, totaling 77 mm (3.0 in) over 9 days, compared to November's 100 mm (3.9 in) over 10 days. Humidity levels also rise slightly in December, averaging 61% compared to November's 57%. For more detailed insights into November's climate, you can visit Goulburn weather in November.

Compare Goulburn's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Goulburn

As December arrives in Goulburn, the weather transforms into a more dynamic climate, oscillating between warm days and cooler nights. With maximum temperatures soaring to 38°C, the month stands out from the cooler seasons, offering a blend of heat and humidity reflected in its 61% humidity. The increase in daytime warmth is accompanied by occasional rainfall, with 77 mm of precipitation over 9 days, adding a refreshing touch to the typically vibrant summer atmosphere. This combination makes December a notable shift from the more temperate months, inviting both locals and visitors to enjoy the vibrancy of Goulburn's summer season. For a deeper understanding of Goulburn's climatic patterns, explore Goulburn Climate.