Last updated: February 25, 2025
In Portarlington, Australia, December brings a dynamic blend of summer warmth and coastal charm. Maximum temperatures can soar up to 35°C (95°F), while the average hovers around a comfortable 18°C (64°F). Nights cool down to a pleasant 10°C (51°F), providing a refreshing break from the daytime heat. With 61 mm (2.4 in) of rain spread over approximately 8 days, December fosters a lush environment, complemented by a humidity level of 69% that enhances the vibrancy of the coastal scenery. Whether basking in the sun or enjoying the occasional shower, December in Portarlington promises an inviting experience for all.
In December, temperatures in Portarlington, Australia begin to highlight the summer's peak, with a noticeable rise in warmth compared to the preceding months. The minimum temperature hovers around 10°C (51°F), while average readings settle at a comfortable 18°C (64°F). This month witnesses a striking maximum temperature reaching up to 35°C (95°F), hinting at the sizzling heat that characterizes Australian summers. As the year wraps up, the balmy conditions and increased sunlight make December an inviting time for outdoor activities, contrasting sharply with the cooler temperatures of earlier months. Overall, December stands out as a vibrant transition into the peak warmth of summer, encouraging both locals and visitors to revel in the seasonal delights.
In December, Portarlington experiences a moderate precipitation level of 61 mm (2.4 in), slightly less than the wetter months of October and November but still substantial enough to support the lush landscape. The rains fall over approximately 8 days, indicating a pattern of sporadic showers that provide a refreshing respite from the heat of the Australian summer. As the year draws to a close, the steady rainfall contributes to a cumulative increase in precipitation, peaking in May with 66 mm (2.6 in) before gradually stabilizing through the end of the year. This consistent rainfall trend not only signifies a well-distributed annual rainfall but also underlines December's role in maintaining ecological balance as it transitions toward the drier months ahead.
Decembers in Portarlington, Australia, offer a delightful transition as humidity levels settle at 69%, slightly lower than the preceding months. After a gradual rise from 65% in January to a peak of 80% between May and July, the humidity begins to taper off as the year concludes. This decline from 80% to 69% reflects the region's shift into warmer summer months, providing a more comfortable atmosphere as outdoor activities flourish. Compared to November's 72%, December's humidity creates a refreshing respite, highlighting the town's charm as the festive season unfolds amidst pleasant coastal breezes.
In Portarlington, Australia, the UV Index reaches its peak in December, soaring to 13 and categorized as extreme, which means that even short exposure can lead to sunburn within just 10 minutes. This trend of high UV levels is consistent throughout the summer months, with January and February also maintaining a high index of 13 and 12, respectively. As the year progresses into autumn, the UV Index begins to decline, dropping to 7 in April and 4 in May. This pattern shifts again in late spring and early summer, as November sees a resurgence of high levels, reaching 11 once more. The data clearly illustrates that sun safety is crucial in December, making it essential for residents and visitors to prioritize sun protection during this time. For more information on UV levels throughout the year, visit Portarlington UV Index.
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As December unfolds in Portarlington, Australia, residents are greeted by a brilliant 341 hours of sunshine, making it the sunniest month of the year. This remarkable figure highlights a striking upward trend in sunshine hours as the year comes to a close, with each month steadily increasing from 217 hours in May to a vibrant peak in December. The transition from the cooler months of winter, which see sunshine hours dip as low as 194 in June, to the warmer summer months of December illustrates the region's delightful embrace of sunlight. With October and November already showcasing impressive totals of 291 and 303 hours, the culmination of the year brings a sun-drenched finale, inviting locals and visitors alike to revel in the sun’s warm embrace.
In December, Portarlington, Australia, emerges as a beacon of sunshine, boasting a notable 48% chance of sunny weather. This marked increase in sunlit days is a welcome trend as the year wraps up, with December eclipsing previous months like November, which sits at just 32%. The pattern reveals a gradual climb in sunshine likelihood as the temperature rises, particularly noticeable from the cooler months of June and July. With vibrant summer on the horizon, December not only lights up the landscape but also invites locals and visitors alike to enjoy more outdoor activities under clearer skies. The trend suggests a cheerful start to the summer season, making Portarlington an enticing destination for sun-seekers.
As the year progresses in Portarlington, Australia, daylight duration exhibits a captivating seasonal rhythm. December marks the peak of summer, offering 14 hours of sunlight, mirroring the light-filled days of January and November. Following the summer solstice, daylight begins to gradually wane, transitioning to 13 hours in February and 12 hours in March. The days continue to shorten through the cooler months, culminating in a cozy 9 hours of daylight during both June and July. However, as winter gives way to spring, daylight slowly rekindles, providing 10 hours in August and returning to 14 hours by November. This cyclical pattern beautifully showcases the dynamic interplay between light and season in this coastal gem.
In December, Portarlington experiences a gentle breeze, with an average wind speed of 5.8 m/s (13 mph). This marks a slight dip from the peak winds of July at 6.6 m/s (15 mph), yet remains consistent with the year’s breezier months like November and January, both also at 6.0 m/s. Interestingly, the wind patterns show a seasonal ebb and flow; from mid-year spikes, like in July, the winds transition into a steadier rhythm as summer approaches. Overall, December in this coastal town offers a pleasant wind that complements the warm Australian summer, making it an ideal time for outdoor activities.
The weather in Portarlington 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 Portarlington and find detailed weather information for every month.
In December, temperatures in Portarlington range from a minimum of 10°C (51°F) to a maximum of 35°C (95°F), with an average of 18°C (64°F). The month sees about 61 mm (2.4 in) of precipitation over 8 days, accompanied by a humidity level of 69%. In contrast, January experiences slightly warmer temperatures, with a minimum of 14°C (57°F) and an average of 20°C (68°F), although the maximum drops a bit to 34°C (93°F). Precipitation decreases to 41 mm (1.6 in) over 7 days, and humidity is slightly lower at 65%. For more detailed insights on the climate, check out Portarlington weather in January.
In comparing the weather of December and February, we see some intriguing similarities and differences. December experiences a wide temperature range, with minimums at 10°C (51°F), averages around 18°C (64°F), and maximums peaking at 35°C (95°F). This month also sees about 61 mm (2.4 in) of precipitation over 8 days, with humidity hovering around 69%. On the other hand, February has slightly higher minimum and average temperatures—13°C (55°F) and 19°C (67°F) respectively—with a maximum of 36°C (96°F). Precipitation decreases to 52 mm (2.0 in) over the same number of rainy days, while humidity remains comparable at 67%. For more detailed insights into February’s climate, you can check Portarlington weather in February.
In December, temperatures are slightly warmer, ranging from a minimum of 10°C (51°F) to a maximum of 35°C (95°F), with an average temperature of 18°C (64°F). Precipitation is more abundant at 61 mm (2.4 in) over 8 days, resulting in a humidity level of 69%. In contrast, March presents a milder climate with minimum temperatures of 11°C (53°F) and a maximum of 30°C (87°F), leading to an average of 19°C (66°F). Rainfall decreases to 43 mm (1.7 in), also over 8 days, while humidity slightly rises to 71%. For more details, visit Portarlington weather in March.
In December, the weather is generally warmer with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 35°C (95°F), while the average sits around 18°C (64°F). The month experiences a total precipitation of 61 mm (2.4 in) over 8 days, contributing to a humidity level of 69%. In contrast, April is noticeably cooler, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (80°F), and an average temperature of 16°C (61°F). The precipitation is slightly lower at 56 mm (2.2 in) over the same number of days, resulting in a higher humidity level of 75%. For more detailed information on April weather, check Portarlington weather in April.
In December, the weather is significantly warmer, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 35°C (95°F), and an average temperature of 18°C (64°F). The month experiences a total precipitation of 61 mm (2.4 in) over about 8 days, with humidity levels at 69%. In contrast, May brings cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 22°C (72°F), averaging 14°C (57°F). This month sees slightly higher precipitation at 66 mm (2.6 in) spread over 11 days and higher humidity at 80%. For a more detailed look at the weather trends, check out Portarlington weather in May.
In comparing the weather of December and June, we see notable differences in temperature and humidity levels. December boasts a much warmer climate with minimum temperatures around 10°C (51°F) and maximums reaching up to 35°C (95°F), while June experiences cooler conditions, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 16°C (62°F). Both months have similar precipitation levels, with December receiving 61 mm (2.4 in) over about 8 days and June slightly less at 58 mm (2.3 in) across 10 days. Additionally, June has a higher humidity level at 80%, compared to December's 69%. For more specific details on June weather in Portarlington, you can visit this link: Portarlington weather in June.
December and July present quite contrasting weather conditions. December boasts a much warmer climate, with temperatures ranging from a minimum of 10°C to a maximum of 35°C, and an average of 18°C. In contrast, July is significantly cooler, with minimum temperatures of 5°C and a maximum of just 16°C, yielding an average of 11°C. Precipitation is also notable in both months; December experiences 61 mm of rain over 8 days, while July sees slightly less at 41 mm over 11 days. Moreover, humidity levels are generally higher in July at 80%, compared to December's 69%. For a closer look at July's weather specifics, you can check Portarlington weather in July.
In December, the weather is significantly warmer compared to August, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 35°C (95°F) and an average of 18°C (64°F). This month experiences 61 mm (2.4 in) of rainfall over about 8 days, with humidity levels around 69%. Conversely, August has cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 18°C (65°F), averaging 11°C (52°F). Rainfall in August is slightly lower at 57 mm (2.2 in), but it occurs over a greater number of days, about 13. Humidity is also higher in August at 79%. For more details, you can check Portarlington weather in August.
When comparing the weather in December to that of September, December is markedly warmer, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 35°C (95°F), whereas September features cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 23°C (74°F). The average temperature in December is significantly higher at 18°C (64°F), compared to September's average of 12°C (54°F). Both months experience similar levels of precipitation—61 mm (2.4 in) in December versus 57 mm (2.3 in) in September—but December has fewer rainy days (8 days) than September (11 days). Humidity is also slightly lower in December at 69%, compared to 76% in September, making December feel more comfortable overall. For more detailed information about September weather, you can explore Portarlington weather in September.
When comparing the weather in December to that of October, December generally experiences warmer temperatures, with a minimum of 10°C (51°F) and a maximum of 35°C (95°F), compared to October’s min of 9°C (48°F) and max of 26°C (79°F). The average temperature in December is 18°C (64°F), significantly higher than October's average of 14°C (58°F). However, December sees slightly less precipitation, measuring 61 mm (2.4 in) over 8 days, while October receives 71 mm (2.8 in) across 12 days. Humidity levels are fairly similar, with December at 69% and October at 72%. For a detailed look at the weather patterns in October, you can visit Portarlington weather in October.
In comparing the weather between December and November, December tends to be warmer overall, with an average temperature of 18°C (64°F) compared to November's 16°C (61°F). The minimum and maximum temperatures in December also show a higher range, with lows of 10°C (51°F) and highs reaching up to 35°C (95°F), whereas November sees a minimum of 9°C (48°F) and a maximum of 31°C (89°F). Precipitation is slightly lower in December at 61 mm (2.4 in) over 8 days, compared to November's 65 mm (2.6 in) spread over 11 days. Humidity levels are also marginally lower in December at 69% compared to November's 72%. For a more detailed look at the weather patterns, you can check out Portarlington weather in November.
December in Portarlington marks a vibrant transition into summer, characterized by warmer temperatures and an increase in humidity compared to the cooler months. With average highs reaching a sunny 35°C, the weather becomes more inviting for outdoor activities and beachgoers. However, this month also brings occasional rainfall, totaling 61 mm over about 8 days, adding a refreshing contrast to the typically dry days. Overall, December's climate showcases a balmy atmosphere that's perfect for embracing the festive season by the coast. For a deeper understanding of Portarlington's weather patterns, explore Portarlington Climate.