December Weather in Goolwa, Australia

Last updated: February 25, 2025

In Goolwa, Australia, December presents a captivating mix of warmth and occasional rain, making it a dynamic month for residents and visitors alike. With a maximum temperature soaring to 42°C (108°F) and an average of 19°C (66°F), this period offers ample opportunities for outdoor activities under the sun. However, nights can be cooler, dipping down to a minimum of 8°C (47°F). Rainfall is relatively modest, with 20 mm (0.8 in) expected across approximately 5 days, balancing the warm, dry spells. The humidity level remains comfortable at 46%, ensuring that while the heat might be intense, it can also be enjoyed in a refreshing atmosphere.

December Temperature in Goolwa

In December, Goolwa, Australia, experiences a warm transition into summer, with average temperatures hovering around 19°C (66°F). The month starts off with a minimum temperature of 8°C (47°F), providing a pleasant start to the day. However, as the day progresses, residents often face maximum temperatures soaring up to 42°C (108°F), highlighting a significant rise from the cooler months before it. This trend of increasing warmth is consistent throughout December, reflecting a broader pattern of rising temperatures as the year draws to a close. While this warmth invites outdoor activities and festive celebrations, it also serves as a reminder of the region's potential for intense heat during the peak summer months. Overall, December paints a vibrant picture of Goolwa's climate, perfectly encapsulating the allure of Australia's summer season.

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

The chart illustrates December temperature patterns in Goolwa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec696665625652525255596365
Data source: Temperature data for Goolwa 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 Goolwa

In Goolwa, Australia, December typically sees a moderate precipitation level of 20 mm (0.8 in), distributed over approximately 5 days. This month marks a slight uptick compared to the drier months of March and January, yet it remains significantly lower than the peak rainfall experienced in the winter months of July and August. As the year draws to a close, December's rainfall contributes to the overall pattern of increasing precipitation from the earlier months and sets the stage for the wetter summer that follows. The combination of such trends reflects Goolwa's unique climate, where the dry spells of the beginning of the year gradually pave the way for a more balanced and nourishing environment.

December Precipitation Trends in Goolwa

The chart displays monthly precipitation patterns in Goolwa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec171912294237445735363620
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Goolwa

In Goolwa, Australia, December marks a notable transition in humidity levels as the year draws to a close. Starting at a comfortable 41% in January, humidity gradually rises to a peak of 76% in both June and July. This pattern reflects a clear trend of increasing moisture throughout the winter months, culminating in the surplus of spring. As December arrives, humidity dips back down to 46%, suggesting a shift towards the drier summer season. This yearly cycle highlights Goolwa's diverse climate, where the balmy breezes of summer contrast sharply with the dampness of winter.

December Average Humidity in Goolwa

This chart illustrates the average monthly humidity levels in Goolwa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec41%46%55%66%73%76%76%70%65%51%50%46%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Goolwa

As December rolls into Goolwa, Australia, the UV Index reaches its peak at 14, marking it another month of extreme exposure. A mere 10 minutes of unprotected sun exposure can lead to skin damage, reiterating the importance of sun safety during this time. The trend of rising UV levels is particularly notable compared to the cooler months, such as June and July, when the index dipped to a moderate 3, allowing for longer sun exposure. As summer approaches, residents and visitors alike must remain vigilant, especially since January and February also display alarming UV levels of 14 and 12 respectively. Staying informed and protected is crucial for enjoying the sunny Australian outdoors safely. For more detailed information, visit Goolwa UV Index.

Maximum UV Index Levels in Goolwa for December

The chart shows the monthly maximum UV Index (UVI) for Goolwa 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.
JanFebMarAprMayJunJulAugSepOctNovDec141211853357101214
Data source: Goolwa 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 Goolwa

December in Goolwa, Australia, shines like a beacon of sunlight, topping the charts with an impressive 349 hours of sunshine. This month marks a significant increase compared to the preceding months, with a clear upward trend as we move from October’s 302 hours to November’s 317 hours and finally, to December. As summer approaches, Goolwa basks in longer days and radiant skies, ultimately providing the perfect backdrop for festive celebrations and outdoor adventures. In contrast to the cooler months of May and June, where sunshine dips to 221 and 218 hours, December’s warmth not only brightens the landscape but also uplifts the spirits of residents and visitors alike.

Monthly Sunshine Duration in Goolwa: December Highlighted

The December sunshine duration represents the total number of hours Goolwa 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.
JanFebMarAprMayJunJulAugSepOctNovDec290h289h301h248h221h218h231h245h276h302h317h349h
Data source: Goolwa December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Goolwa During December

In Goolwa, Australia, December marks a notable shift towards sunnier weather, boasting a 60% chance of sunshine. This increase sets it apart from the preceding months, where November sees a dip to just 35%. Following a series of cooler months that typically experience about a third of sunny days, December emerges as a bright spot in the year, carrying a higher likelihood of clear skies than any other month since March, which stands at 57%. The trend reveals a welcome transition into summer, making December an ideal time for outdoor activities under the warm Australian sun. With these promising odds, it's no wonder that many flock to Goolwa in anticipation of bright and cheerful days ahead.

Percentage of Sunny Days in December in Goolwa

The chart illustrates the percentage of sunny days in Goolwa 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 Goolwa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%51%57%54%36%36%39%50%49%46%35%60%
Data source: Goolwa December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Goolwa in December

As December arrives in Goolwa, Australia, the daylight hours peak at 14 hours, mirroring the abundance of light experienced in January. This trend of increasing daylight first emerges in spring, with September and October offering 11 to 12 hours of sunlight, gradually giving way to the longer days of summer. Conversely, the winter months present a stark contrast, with June hitting its annual low at just 9 hours of daylight. As the year progresses, daylight begins to stretch again, culminating in December's bright, sun-kissed days, making it an ideal time for outdoor activities and enjoying the vibrant coastal landscape.

Average Daylight Hours in Goolwa for December

The chart illustrates the variation in daylight duration in Goolwa throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 14m13h 22m12h 16m11h 9m10h 14m9h 46m10h10h 48m11h 51m12h 59m13h 58m14h 29m
Data source: Goolwa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Goolwa

As December unfolds in Goolwa, Australia, the average wind speed measures a refreshing 4.1 m/s (9 mph), maintaining a steady breeze that characterizes the transition into summer. This gentle wind speed is consistent with the previous months, revealing a trend of moderate winds that peak in July at 4.8 m/s (11 mph) before gradually tapering. Interestingly, while the summer months like January and February also hover around similar speeds, the winds appear to mellow during the autumn months, with April's lows at 3.2 m/s (7 mph). The December breeze not only invites outdoor adventurers but also mirrors the coastal charm of Goolwa, providing an ideal backdrop for leisurely strolls along the beach. Overall, the moderate winds create a delightful atmosphere that captures the essence of this vibrant coastal locale.

Average December Wind Speed in Goolwa

The chart displays monthly wind speed patterns in Goolwa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.13.43.23.74.14.84.04.64.14.34.1 m/s
Data source: Goolwa December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Goolwa Compares to Other Months

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

In December, temperatures in Goolwa range from a minimum of 8°C (47°F) to a maximum of 42°C (108°F), with an average of 19°C (66°F). The month sees around 20 mm (0.8 in) of precipitation over approximately 5 days, accompanied by a humidity level of 46%. In contrast, January experiences slightly higher temperatures, with minimums of 11°C (52°F), an average of 20°C (69°F), and maximums reaching 44°C (111°F). Precipitation decreases to 17 mm (0.7 in) over just 2 days, and humidity also eases to 41%. For detailed information on January's weather, you can refer to Goolwa weather in January.

In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 42°C (108°F), with an average temperature of 19°C (66°F). The month experiences about 20 mm (0.8 in) of precipitation over five days, while humidity remains consistent at 46%. In contrast, February sees slightly warmer minimum temperatures at 11°C (51°F) and a slightly lower maximum of 39°C (102°F), maintaining an average temperature of 19°C (67°F). Precipitation in February is slightly less, at 19 mm (0.7 in) over just three days, with humidity still steady at 46%. For a more detailed look at February weather, visit Goolwa weather in February.

In December, the weather features a warm temperature range, with minimums around 8°C (47°F) and maximums reaching up to 42°C (108°F), resulting in an average of 19°C (66°F). The month sees a moderate amount of precipitation at 20 mm (0.8 in) over about five days, with humidity levels at 46%. In contrast, March experiences slightly higher minimum temperatures, starting at 9°C (48°F), but with maximums lower than December, capping at 38°C (101°F). Precipitation in March is lighter at 12 mm (0.5 in) over four days, and humidity rises to 55%. For more detailed insights on weather conditions in March, visit Goolwa weather in March.

In December, the weather tends to be hotter, with average temperatures reaching around 19°C (66°F) and maximums peaking at 42°C (108°F). Along with lower precipitation of 20 mm (0.8 in) over five days, this month boasts a comfortable humidity level of 46%. In contrast, April brings cooler temperatures, averaging 17°C (62°F) with a maximum of 34°C (93°F) and slightly higher precipitation at 29 mm (1.1 in) over four days. The humidity also increases to 66%, making April feel more humid than December. For a detailed look at what to expect, check out Goolwa weather in April.

December and May showcase distinctly different weather patterns. In December, temperatures range from a minimum of 8°C (47°F) to a sizzling maximum of 42°C (108°F), with an average of 19°C (66°F). The month experiences relatively low precipitation, averaging just 20 mm (0.8 in) over about 5 days, and humidity sits at a moderate 46%. Conversely, May brings cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 27°C (80°F), averaging 13°C (56°F). This month sees increased precipitation of 42 mm (1.7 in) over 9 days, and the humidity rises significantly to 73%. For more details on May weather, you can check out Goolwa weather in May.

In December, the weather is significantly warmer, with temperatures ranging from a minimum of 8°C (47°F) to a scorching maximum of 42°C (108°F), while June experiences much cooler temperatures, with highs only reaching around 20°C (68°F) and lows dipping to 2°C (37°F). December is relatively drier, receiving just 20 mm (0.8 in) of precipitation over about 5 days, whereas June sees more rain, accumulating 37 mm (1.5 in) across approximately 9 days. Furthermore, the humidity in June is notably higher at 76%, compared to December's 46%, resulting in a more muggy atmosphere during the mid-year month. For more detailed information, check out Goolwa weather in June.

When comparing the weather in December to July, a stark contrast emerges. December boasts much warmer temperatures, with averages reaching 19°C (66°F) and maximums soaring up to 42°C (108°F), while July's cooler temperatures average only 11°C (52°F) and peak at 19°C (67°F). Precipitation is also notably different; December receives only 20 mm (0.8 in) over about 5 days, whereas July experiences much higher rainfall, totaling 44 mm (1.7 in) across 11 days. Additionally, July's humidity levels are significantly higher at 76%, compared to December's 46%. For more specifics on July weather, you can check Goolwa weather in July.

When comparing the weather in December and August, we see significant differences in temperature and humidity. December tends to be much warmer, with average temperatures around 19°C (66°F) and a maximum reaching up to 42°C (108°F), while August's temperatures range from a cooler minimum of 2°C (36°F) to an average of 11°C (52°F). Additionally, December has lower precipitation, averaging 20 mm (0.8 in) over about 5 days, in contrast to August, which experiences 57 mm (2.3 in) over 11 days, resulting in a higher humidity level of 70%. For a more detailed overview, check out Goolwa weather in August.

In comparing December and September weather, December tends to be significantly warmer with average temperatures reaching up to 19°C (66°F) and maximum highs soaring to 42°C (108°F). In contrast, September experiences cooler weather, with an average temperature of just 13°C (55°F) and maximums capping at 29°C (84°F). Additionally, September has higher humidity levels at 65% and more days of precipitation, totaling 35 mm over 8 days, compared to December's 20 mm over 5 days. For a detailed look at September conditions, you can check out Goolwa weather in September.

When comparing the weather in December and October, December tends to be warmer overall, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 42°C (108°F), whereas October has cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 34°C (94°F). The average temperature in December is 19°C (66°F), significantly higher than October's average of 15°C (59°F). Additionally, December experiences less precipitation, measuring 20 mm (0.8 in) over 5 days, compared to October's 36 mm (1.4 in) over 6 days. Humidity levels are slightly lower in December at 46%, compared to 51% in October. For more detailed insights, you can check out Goolwa weather in October.

Comparing the weather between November and December, we see a noticeable increase in temperatures during December, with average highs reaching 42°C (108°F) compared to November's peak of 39°C (103°F). December also experiences slightly lower average humidity at 46%, compared to November's 50%. However, November has higher precipitation, with 36 mm (1.4 in) falling over 6 days, while December sees just 20 mm (0.8 in) over 5 days. For more detailed insights, you can refer to Goolwa weather in November.

Compare Goolwa's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Goolwa

As December rolls into Goolwa, the weather transforms with a notable increase in warmth, boasting peaks that can soar to a sizzling 42°C. This month stands out with its average temperature settling at a comfortable 19°C, providing a pleasant contrast to the cooler months preceding it. With only a handful of days seeing precipitation, December remains predominantly dry and sunny, making it ideal for outdoor activities. The humidity lingers around 46%, adding a touch of tropical flair to the summer ambiance. For more detailed insights into the climate variations throughout the year in Goolwa, check out Goolwa Climate.