December Weather in Coolgardie, Australia

Last updated: February 25, 2025

In Coolgardie, Australia, December brings a striking contrast in temperatures, with maximums soaring to a scorching 44°C (111°F) and an average of 25°C (78°F), while the nights cool down to a refreshing minimum of 8°C (47°F). The month experiences minimal precipitation, with only 6 mm (0.2 in) recorded over just 1 day, contributing to a comfortable 34% humidity level. This blend of heat and dryness creates an invigorating atmosphere, perfect for those who thrive in the summer sun!

December Temperature in Coolgardie

In Coolgardie, Australia, December brings a definitive shift toward the warmth of summer, as temperatures begin to peak. With a minimum of 8°C (47°F), the nights are comfortably cool, while the average temperature rises to a pleasant 25°C (78°F). However, it's the daytime highs that truly command attention, soaring to a maximum of 44°C (111°F), reminiscent of the blistering heat seen in November. This pattern signifies a continuation of the region's warmer climate, which escalates through summer, offering a contrast to the milder temperatures of the earlier months. As the year draws to a close, visitors can expect a vibrant atmosphere infused with the unmistakable warmth of the Australian sun.

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

The chart illustrates December temperature patterns in Coolgardie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec797674685854535460667177
Data source: Temperature data for Coolgardie 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 Coolgardie

In December, Coolgardie, Australia experiences a notable decline in precipitation, with only 6 mm (0.2 in) recorded over a mere single day. This marked reduction follows the trend set in previous months, as November saw more than quadruple the rainfall at 28 mm (1.1 in) across three days. As the year draws to a close, December's dry conditions highlight a significant shift from the wetter months, providing a stark contrast to the summer rains that precede it. This seasonal pattern underscores the arid character of Coolgardie's climate, where minimal precipitation becomes the hallmark of the late year, setting the stage for a dry, sun-soaked summer ahead.

December Precipitation Trends in Coolgardie

The chart displays monthly precipitation patterns in Coolgardie, 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.
JanFebMarAprMayJunJulAugSepOctNovDec194827818191520617286
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Coolgardie

In Coolgardie, Australia, the humidity exhibits distinct seasonal patterns throughout the year. Starting at a relatively low 36% in January, humidity steadily rises, peaking at 76% in June. This mid-year high marks the onset of the cooler months, where humidity remains above 70% until July. As the year progresses, the situation shifts dramatically; by August, humidity begins to decline, plummeting to 34% by November and December. This trend showcases a significant drop as summer approaches again, illustrating how Coolgardie transitions from a humid winter to a much drier climate as the year winds down. Overall, December culminates a year characterized by humidity fluctuations, landing at a remarkably low 34%—a refreshing finale to the cycle.

December Average Humidity in Coolgardie

This chart illustrates the average monthly humidity levels in Coolgardie, 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.
JanFebMarAprMayJunJulAugSepOctNovDec36%46%50%63%70%76%72%59%48%36%34%34%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Coolgardie

In December, Coolgardie experiences an extreme UV Index of 15, identical to the heights reached in January and February, which emphasizes the potential for intense sun exposure during the summer months. This consistently high index means that residents and visitors should be cautious as the burn time is just 10 minutes, highlighting the urgent need for sun protection. Following a trend from the previous months, the UV Index had progressively declined from a peak in early summer, with April and May showing a slight respite before ramping up again in late spring and summer. For anyone planning outdoor activities, it’s critical to stay informed about these fluctuations and take necessary precautions. For more detailed information, check out Coolgardie UV Index.

Maximum UV Index Levels in Coolgardie for December

The chart shows the monthly maximum UV Index (UVI) for Coolgardie 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.
JanFebMarAprMayJunJulAugSepOctNovDec151513964579111315
Data source: Coolgardie 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 Coolgardie

In Coolgardie, Australia, December stands out as a radiant climax to the year, boasting a remarkable 371 hours of sunshine. This month not only captures the peak of summer but also reflects a noticeable upward trend in sunlight as the year progresses. Following a gradual increase from 289 hours in February to 331 hours in October, December's sunshine illuminates the landscape, hinting at the vibrant warmth of the Australian summer. The impressive increase in sunlight compared to the cooler months, such as June with only 249 hours, highlights the region's shift from chill to cheerfulness. As the calendar flips, Coolgardie embraces longer days, inviting residents and visitors alike to bask in its golden glow.

Monthly Sunshine Duration in Coolgardie: December Highlighted

The December sunshine duration represents the total number of hours Coolgardie 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.
JanFebMarAprMayJunJulAugSepOctNovDec297h289h312h283h275h249h268h286h298h331h345h371h
Data source: Coolgardie December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Coolgardie During December

The likelihood of sunny weather in Coolgardie, Australia, soars to an impressive 84% in December, marking it as a standout month for sun-seekers. This late spring period not only boasts the highest chance of sunshine in the year, but it also demonstrates a marked increase compared to the transitional months of autumn, where the chances dip to around 58% to 50%. As the year progresses into summer, the sun's dominance becomes more pronounced, with December's sunny outlook suggesting a clear trend of increasing brightness. Following a consistent pattern, months like August and September also shine brightly at 75%, yet December’s peak truly epitomizes the sunny allure of the season. The progressive uplift in sunny days as one approaches the end of the year establishes Coolgardie as a splendid choice for enjoying the festive month under clear blue skies.

Percentage of Sunny Days in December in Coolgardie

The chart illustrates the percentage of sunny days in Coolgardie 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 Coolgardie experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec68%66%65%58%50%52%46%75%75%68%66%84%
Data source: Coolgardie December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Coolgardie in December

In Coolgardie, Australia, the daylight duration showcases a clear seasonal rhythm throughout the year. Starting from January and February with a generous 13 hours, the days gradually shorten to 11 hours by April, signaling the onset of cooler months. This trend continues through the winter, where June and July sustain a steady 10 hours of light. As spring approaches in August and September, daylight begins to extend again, reaching back to 11 hours. By October, the days are lengthening once more, culminating in December, where residents enjoy a vibrant 14 hours of daylight, making it the brightest month of the year. This ebb and flow of sunlight not only marks the changing seasons but also invites outdoor adventures and community gatherings during the long summer days.

Average Daylight Hours in Coolgardie for December

The chart illustrates the variation in daylight duration in Coolgardie throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 53m13h 9m12h 14m11h 18m10h 32m10h 9m10h 20m11h11h 53m12h 50m13h 40m14h 6m
Data source: Coolgardie daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Coolgardie

As December sweeps through Coolgardie, Australia, the winds pick up, averaging 4.8 m/s (11 mph) and signaling a return to livelier breezes after the calm of earlier months. This increase comes on the heels of the cooler winter months, where wind speeds tended to hover around the lower spectrum, often dipping to the 3.5 m/s (8 mph) range. December's gusts are reflective of a gradual upswing that began in July; however, they still do not reach the summer highs of January. Overall, the trend indicates a refreshing revitalization of the environment as the year winds down, ushering in the festive spirit accompanied by a moderate yet invigorating flow of air.

Average December Wind Speed in Coolgardie

The chart displays monthly wind speed patterns in Coolgardie, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.34.63.93.83.73.54.83.94.24.54.54.8 m/s
Data source: Coolgardie December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Coolgardie Compares to Other Months

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

In December, temperatures typically range from a minimum of 8°C (47°F) to a maximum of 44°C (111°F), with an average of 25°C (78°F). This month sees relatively low precipitation, with only 6 mm (0.2 in) over just 1 day and humidity levels around 34%. In contrast, January witnesses a slight increase in temperature, with a minimum of 11°C (52°F) and a maximum of 45°C (112°F), averaging 26°C (79°F). Precipitation during January is notably higher at 19 mm (0.8 in) spread across 3 days, with humidity rising slightly to 36%. For a more detailed look at weather conditions, visit Coolgardie weather in January.

In December, the weather is generally warmer, with maximum temperatures reaching up to 44°C (111°F) and an average of 25°C (78°F). The month experiences minimal precipitation, with just 6 mm (0.2 in) recorded over a single day and a relatively low humidity of 34%. In contrast, February sees slightly cooler maximum temperatures at 42°C (109°F) and a similar average of 25°C (77°F). However, it is notably wetter, with 48 mm (1.9 in) of precipitation spread over five days and higher humidity levels at 46%. For more details, check out Coolgardie weather in February.

In December, the weather is characterized by warmer average temperatures, peaking at a maximum of 44°C (111°F) and a relatively low average humidity of 34%. With minimal precipitation of just 6 mm (0.2 in) over only one day, the month tends to be quite dry. In contrast, March brings slightly cooler average temperatures, with a maximum still reaching 44°C (111°F), but a lower average of 23°C (74°F) and higher humidity at 50%. March also sees increased rainfall, totaling 27 mm (1.0 in) across four days, indicating a more changeable weather pattern. For more detailed insights, you can check Coolgardie weather in March.

In December, the weather is quite warm, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 44°C (111°F), and a notably low humidity level of 34%. Precipitation is minimal, with just 6 mm (0.2 in) falling over the course of a single day. In contrast, April brings slightly cooler conditions, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 38°C (100°F), and higher humidity at 63%. Rainfall increases to 8 mm (0.3 in), also occurring over a single day. For more detailed information, check out Coolgardie weather in April.

December and May exhibit contrasting weather patterns. In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 44°C (111°F), with an average of 25°C (78°F) and very little precipitation, totaling just 6 mm (0.2 in) over one day. The humidity is relatively low at 34%, contributing to a hot and dry atmosphere.

In contrast, May sees cooler temperatures, with a minimum of 2°C (35°F), an average of 15°C (58°F), and a maximum of 31°C (88°F). The month also experiences increased precipitation, with about 18 mm (0.7 in) falling over two days, and significantly higher humidity at 70%, resulting in a much more comfortable and moist climate. For more detailed information, you can check out Coolgardie weather in May.

In December, the weather in Coolgardie is characterized by much warmer temperatures, with a minimum of 8°C (47°F) and a scorching maximum that can reach up to 44°C (111°F). The average temperature stands at a pleasant 25°C (78°F), and the humidity is relatively low at 34%, allowing for a dry heat despite minimal precipitation of just 6 mm (0.2 in) over only one day. In contrast, June brings significantly cooler conditions, with temperatures ranging from a chilly minimum of 1°C (34°F) to a maximum of 28°C (83°F) and an average of 12°C (54°F). June also sees higher humidity at 76% and more precipitation, totaling 19 mm (0.8 in) spread over three days. This stark contrast highlights the seasonal shift from the dry heat of December to the cooler, wetter weather of June. For more details on June weather in Coolgardie, visit Coolgardie weather in June.

December and July present strikingly different weather conditions. December experiences much warmer temperatures, with a minimum of 8°C (47°F) and a scorching maximum of 44°C (111°F), while July's temperatures are significantly cooler, ranging from a chilly minimum of 1°C (34°F) to a maximum of 25°C (77°F). Additionally, December has low precipitation of only 6 mm (0.2 in) over just one day, making it a dry month, whereas July sees increased precipitation at 15 mm (0.6 in) across two days, resulting in a much wetter atmosphere. The humidity levels further highlight the contrast, with December's relatively dry humidity at 34%, compared to July’s higher humidity at 72%. For more detailed insights on July weather, visit Coolgardie weather in July.

When comparing the weather in December and August, we see a stark contrast in temperatures and conditions. December boasts significantly higher temperatures, with an average of 25°C (78°F) and a maximum reaching up to 44°C (111°F), alongside very low precipitation of just 6 mm over a single day, contributing to a dry humidity level of 34%. In contrast, August experiences much cooler weather, with an average temperature of 12°C (54°F) and a maximum of 32°C (90°F). It also sees more precipitation at 20 mm spread over four days, resulting in higher humidity levels of 59%. For more detailed insights on August weather specifics, you can refer to Coolgardie weather in August.

December and September present quite a contrast in weather conditions. December boasts much warmer temperatures, with a minimum of 8°C (47°F), an average of 25°C (78°F), and a scorching maximum reaching 44°C (111°F). In contrast, September has a milder range, featuring a minimum of 1°C (34°F), an average of 16°C (61°F), and a maximum of 35°C (95°F). Both months share similar precipitation levels, each receiving about 6 mm (0.2 in) over the course of just 1 day. However, September experiences higher humidity at 48% compared to December's dryness, which rests at 34%. For a closer look at weather patterns during this time, check out Coolgardie weather in September.

December weather is characterized by significantly higher temperatures compared to October, with a minimum of 8°C (47°F) and a maximum reaching up to 44°C (111°F). In contrast, October experiences cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 38°C (102°F). Additionally, December sees considerably less precipitation, averaging only 6 mm (0.2 in) over just one day, while October has more rainfall, totaling 17 mm (0.7 in) across three days. Humidity levels remain fairly similar, with December at 34% and October at 36%. For more details, check out Coolgardie weather in October.

In December, the weather becomes warmer compared to November, with an average temperature of 25°C (78°F), up from November’s average of 22°C (71°F). While December has slightly higher maximum temperatures, reaching up to 44°C (111°F), November maintains a close maximum of 45°C (113°F). Additionally, December experiences significantly less precipitation, with only 6 mm (0.2 in) over just one day, in stark contrast to November's 28 mm (1.1 in) over three days. Both months share the same humidity level of 34%, creating a consistent dryness in the air. For a more detailed view, you can check Coolgardie weather in November.

Compare Coolgardie's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Coolgardie

December in Coolgardie ushers in a heat wave unlike any other month of the year, with soaring temperatures often peaking at a blistering 44°C (111°F). This transition to summer marks a noticeable shift from the cooler, more moderate conditions experienced in previous months. While the average temperature hovers around a comfortable 25°C (78°F), nighttime provides a welcome respite from the day's intensity, dipping to around 8°C (47°F). With only a scant 6 mm of precipitation over just a single day, the dry air feels even more pronounced, resulting in a humidity level of merely 34%. Those seeking a thorough understanding of this striking climate contrast can find more details at Coolgardie Climate.