Last updated: February 25, 2025
December in Perth, Australia offers a captivating blend of warm days and cool nights, with maximum temperatures reaching 33°C (92°F) and an average of 15°C (60°F). Visitors can expect an occasional cool breeze, as minimum temperatures dip to 3°C (37°F). While the month sees around 71 mm (2.8 in) of precipitation over approximately 7 days, the humidity level of 71% adds a touch of tropical feel to the air. This dynamic weather creates a vibrant atmosphere perfect for exploring the stunning outdoor attractions Perth has to offer.
In December, Perth, Australia, experiences a vibrant transition into summer, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 33°C (92°F). The average temperature settles around 15°C (60°F), providing a pleasant warmth that invites both locals and tourists to embrace outdoor activities. This month marks a notable increase in warmth compared to the cooler months preceding it, as the city moves away from the brisk temperatures of winter and early spring. With the sun shining brightly and longer daylight hours, December in Perth radiates a lively atmosphere perfect for beach outings and festive celebrations. As the year draws to a close, the rise in temperature heralds the joys of summer, making it a delightful time to explore all that this beautiful city has to offer.
In December, Perth experiences a noteworthy shift in precipitation patterns, with 71 mm (2.8 in) of rainfall typically accumulated over an average of 7 days. This marks a rise in precipitation compared to the preceding month of November, which recorded 56 mm despite having a similar number of days of rain. Interestingly, December's rainfall is on par with the wetter months earlier in the year, such as March and February, which also averaged around 68 mm. As summer approaches, this increase provides a refreshing contrast to the dry conditions often expected, suggesting a robust transition into the warm season. The combination of slightly higher rainfall and fewer rainy days hints at a unique climate rhythm in Perth, where localized bursts of summer showers can enhance the vibrant landscape before the heat sets in.
As December rolls into Perth, Australia, the humidity begins to show a notable shift from the peak levels experienced in the winter months. While January and February see relatively high humidity at 69% and 68% respectively, December's level at 71% indicates a slight decrease compared to the wetter winter months, where humidity consistently hovers around the 83%-84% mark from May to July. Interestingly, December's figure is a drop from the higher levels of earlier months, like April at 77%. This gentle decline suggests a gradual transition towards the drier, hotter summer months ahead, ultimately inviting a more comfortable atmosphere as the year draws to a close.
In December, Perth, Australia, experiences a UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This peak in UV intensity mirrors the trends seen in January and November, where levels also reach 13 and 11, presenting a consistent pattern of high UV exposure during the summer months. Following the high levels of March and October, which recorded indices of 10 and 8, respectively, it's clear that the southern hemisphere's summer brings serious sun exposure risks. As the month progresses, residents and visitors alike must prioritize sun safety and protection. For more detailed information, visit Perth UV Index.
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December in Perth, Australia, heralds the arrival of abundant sunshine, boasting an impressive 354 hours of glorious daylight. This marks a significant rise from the preceding months, reflecting a vibrant end to the year. As we transition from November's 319 hours, December's radiant days illuminate a trend of increasing sunlight that peaks during the summer. It is a jubilant contrast to the cloudier months of winter, where June saw only 191 hours. This remarkable uptick not only signals the joys of outdoor festivities and beach outings but also invites residents and visitors alike to bask in the warmth of the Australian sun as the year draws to a close.
When considering the likelihood of sunny weather in December in Perth, it's notable that the chances soar to 49%, marking a significant improvement compared to the cooler, cloudier months of June and July, which see sun probabilities as low as 19% and 31%, respectively. As the year winds down, December's sun chances relate closely to the warmer months that precede it, showing a steady increase through spring with November at 37%. This upward trend continues, culminating in nearly half of December's days promising sunshine, which contrasts sharply with the mid-year slump. Overall, December emerges as a brighter beacon in Perth's climate, making it an inviting month for outdoor activities and festive celebrations.
In Perth, Australia, December marks the height of summer, as the city basks in an impressive 15 hours of daylight. This trend of increasing daylight hours is particularly striking when compared to January, which offers 14 hours, and highlights the gradual progression towards longer days. As the year unfolds, daylight begins to dwindle from March's 12 hours down to a minimum of 9 hours during the winter months of May, June, and July. However, a gradual recovery begins in August, leading to an uplifting return of sunlight in the spring months, culminating in a vibrant December. This cyclical pattern not only defines the seasonal rhythm of Perth but also enhances its allure as a sun-drenched destination throughout the year.
As the year comes to a close, December in Perth, Australia, brings a pleasant shift in the wind. With an average speed of 3.2 m/s (7 mph), December marks a notable increase compared to the calmer months of November and earlier. This rise resounds a recurring trend where winds peak during the mid-year, specifically in August and September, when they reach up to 3.7 m/s (8 mph). However, the gentle discernment of December’s breezes heralds the start of summer, seamlessly linking it to the slightly stronger winds of the preceding months. This seasonal transition invites both locals and visitors to enjoy the refreshing gusts that add life and vibrancy to the coastal atmosphere, making December a delightful month for outdoor activities.
The weather in Perth 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 Perth and find detailed weather information for every month.
In December, temperatures in Perth typically range from a minimum of 3°C (37°F) to a maximum of 33°C (92°F), with an average temperature of 15°C (60°F). The month sees about 71 mm (2.8 in) of precipitation spread over 7 days, leading to a humidity level of around 71%. In contrast, January experiences slightly warmer conditions, with a minimum temperature of 4°C (40°F) and an average of 17°C (64°F). While the maximum remains similar at 33°C (91°F), precipitation is reduced to 50 mm (2.0 in) over just 5 days, resulting in a slightly lower humidity of 69%. For a detailed forecast, you can check Perth weather in January.
In December, the weather in Perth features a temperature range from a minimum of 3°C (37°F) to a maximum of 33°C (92°F), with an average temperature of around 15°C (60°F). The month experiences 71 mm (2.8 inches) of precipitation over approximately 7 days, accompanied by a humidity level of 71%. In comparison, February offers slightly warmer conditions with an average temperature of 16°C (61°F) while maintaining the same maximum of 33°C (92°F) and a minimum still at 3°C (37°F). Precipitation is slightly lower in February at 68 mm (2.7 inches) across about 8 days, and humidity drops to 68%. For a detailed overview of the weather conditions, you can view Perth weather in February.
In comparing the weather between December and March, both months show a similar average temperature of around 15°C (59°F), but they differ slightly in their temperature extremes. December features a higher maximum temperature of 33°C (92°F), while March sees a peak of 31°C (88°F). Precipitation levels are nearly identical, with December receiving 71 mm (2.8 in) and March slightly less at 68 mm (2.7 in). However, March experiences a bit more rainfall spread over nine days compared to December’s seven days of precipitation. Humidity levels are also comparable, with December at 71% and March slightly higher at 72%. For a more detailed look at the conditions in March, you can refer to Perth weather in March.
When comparing the weather in December and April, December tends to be warmer, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 33°C (92°F) and an average of 15°C (60°F). In contrast, April experiences cooler conditions, with temperatures dropping to a minimum of -2°C (29°F) and averaging 12°C (53°F), peaking at 25°C (77°F). Both months see a comparable number of rainy days, seven in total, but December has slightly higher precipitation at 71 mm (2.8 in), while April records 58 mm (2.3 in). Additionally, humidity is higher in April at 77%, compared to December's 71%. For more detailed information, you can visit Perth weather in April.
In December, the weather tends to be warmer with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 33°C (92°F) and an average of 15°C (60°F). Despite the warmth, December experiences considerable humidity at 71% and sees about 71 mm (2.8 in) of precipitation over approximately 7 days. In contrast, May offers cooler conditions, featuring temperatures from a minimum of -2°C (30°F) to a maximum of 20°C (68°F), with an average of 9°C (49°F). It also has slightly higher precipitation of 77 mm (3.0 in) over 9 days and a higher humidity level of 83%. For more detailed insights into the weather during this month, you can explore Perth weather in May.
In December, the weather is generally warm, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 33°C (92°F), and an average temperature of 15°C (60°F). The month experiences some precipitation, totaling 71 mm (2.8 in) over about 7 days, alongside a humidity level of 71%. In contrast, June is much cooler, with temperatures dipping as low as -4°C (25°F) and peaking at 15°C (60°F), averaging around 7°C (45°F). There is slightly less precipitation at 55 mm (2.2 in), spread over 9 days, but humidity is notably higher at 83%. For a more detailed look at conditions, check out Perth weather in June.
When comparing the weather between December and July, December generally offers warmer temperatures, with an average of 15°C (60°F) and highs reaching up to 33°C (92°F), making it ideal for outdoor activities. In contrast, July experiences significantly cooler conditions, with a maximum temperature of just 14°C (58°F) and a chilling minimum of -4°C (26°F). Additionally, July sees more days of precipitation, totaling 12 days with 89 mm (3.5 in) of rainfall, compared to December's 7 days and 71 mm (2.8 in). The humidity is also higher in July at 84%, compared to December's 71%. For a detailed overview, check out Perth weather in July.
December and August offer distinctly different weather experiences. In December, temperatures range from a minimum of 3°C (37°F) to a maximum of 33°C (92°F), with an average of 15°C (60°F). The month typically sees around 71 mm (2.8 in) of precipitation over 7 days, with humidity levels at 71%. In contrast, August is marked by cooler temperatures, with a minimum of -3°C (27°F), an average of 7°C (45°F), and a maximum of 15°C (60°F). Precipitation remains similar at 70 mm (2.8 in), but it occurs over more days, totaling 12. The humidity is noticeably higher in August at 83%. This comparison highlights the stark contrast in temperatures and humidity between these two months. For more detailed information, check Perth weather in August.
In December, temperatures in Perth range from a mild minimum of 3°C (37°F) to a warm maximum of 33°C (92°F), with an average of 15°C (60°F). The month typically sees around 71 mm (2.8 in) of precipitation, spread over about 7 days, and maintains a humidity level of 71%. In contrast, September experiences cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 21°C (69°F), averaging at 8°C (47°F). Precipitation in September is slightly less, at 68 mm (2.7 in), but occurs over a longer stretch of 11 days, accompanied by a higher humidity level of 80%. For more details about September's weather, you can check Perth weather in September.
In comparing the weather between October and December, December tends to be warmer, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 33°C (92°F), in contrast to October's cooler range of -1°C (31°F) to 25°C (78°F). While October experiences slightly higher precipitation at 85 mm (3.4 in) over 12 days, December follows closely with 71 mm (2.8 in) spread over 7 days. Humidity levels are also notable, remaining relatively high at 71% in December compared to 76% in October. For more detailed insights, you can check Perth weather in October.
In comparing the weather conditions of December and November, December generally exhibits warmer temperatures, with a minimum of 3°C (37°F) and a maximum of 33°C (92°F), while November starts cooler with a minimum of 0°C (32°F) and a maximum of 28°C (83°F). The average temperature in December is also slightly higher at 15°C (60°F) compared to November’s 13°C (56°F).
Precipitation in December is slightly higher at 71 mm (2.8 in) over 7 days, compared to November’s 56 mm (2.2 in) over 9 days. Despite the increase in rainfall in December, humidity levels remain relatively similar, with December at 71% and November at 76%. For more detailed information, you can check Perth weather in November.
As December unfolds in Perth, it ushers in a vibrant shift in weather compared to the cooler months preceding it. With warmer days and a pleasant average temperature, the city basks under the sun, making it a popular time for outdoor activities. Though December can bring some rainfall, characterized by about a week of precipitation, the overall climate remains predominantly dry, allowing for plenty of sunshine. This transition also sees a rise in humidity, adding a touch of tropical warmth to the atmosphere. To explore the details of Perth's unique December climate and how it aligns with the rest of the year, check out Perth Climate.