Last updated: February 25, 2025
Mannum, Australia experiences a dynamically diverse climate in December, characterized by a maximum temperature soaring up to 45°C (113°F) and an average of 20°C (68°F), which beckons the warmth of summer. Amidst these heat waves, cooler evenings can bring relief, with temperatures dipping to a minimum of 7°C (44°F). The month sees light precipitation with a total of 15 mm (0.6 in) spread over just 3 days, contributing to a relatively low humidity level of 46%. This unique blend of heat and occasional moisture makes December a notable month in Mannum's climatic calendar, ideal for both outdoor activities and enjoying the vibrant natural scenery.
In Mannum, Australia, December heralds the arrival of summer, bringing a delightful mix of warm and hot temperatures. The month typically starts with a minimum of 7°C (44°F) and climbs to an average of 20°C (68°F), showcasing a pleasant warmth that encourages outdoor activities. However, the heat can intensify dramatically, with maximum temperatures soaring up to 45°C (113°F), reflecting the distinct trend of rising warmth as the year draws to a close. This pattern of increasing average temperatures, coupled with occasional extreme highs, piques the interest of those who appreciate the vibrant outdoor lifestyle that summer in Mannum offers.
In Mannum, Australia, December marks the end of the year with a total precipitation of 15 mm (0.6 in), reflecting a modest rainfall pattern similar to that of January. Rainfall tends to taper off as the year concludes, with precipitation occurring over just three days. This reduction in wet days continues the trend observed in the late spring months, where November had a notably higher precipitation of 32 mm (1.3 in) spread over seven days. As the region transitions into the warmer months of January and February, the decreased rainfall in December suggests a lull in moisture, possibly preparing for a drier summer ahead. Overall, the data indicates a seasonal rhythm where rain is abundant in the mid-year, gradually declining into December as the climate shifts.
In Mannum, Australia, December experiences a notable drop in humidity, hovering around 46%. This decrease marks a distinct shift from the lush, heavy humidity of May and June, which peak at 73% and 76%, respectively. As the year progresses from the sweltering heights of summer into the cooler months, humidity levels gradually rise, reaching a maximum in July and June, then tapering off again towards the year's end. By December, the humidity settles into a more comfortable range, reminiscent of the early months of the year, but noticeably lower than the humid spring and winter months. This trend highlights a seasonal rhythm, with the transition between the dry and humid periods shaping the climate of Mannum throughout the year.
In December, Mannum, Australia experiences a notable spike in UV intensity with a UV Index of 15, marking the month as an extreme exposure risk. This trend follows a consistent pattern observed over the year where the UV index peaks during the summer months, particularly from November to January. With a burn time of just 10 minutes, residents and visitors alike need to take extra precautions against sun damage. Notably, the UV index escalates from 12 in November to its annual high in December, emphasizing the critical importance of sun safety as the intensity increases. As the warmth of summer envelops the region, staying informed is crucial. For more information on UV exposure in Mannum, check out the detailed guide at Mannum UV Index.
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December shines brightly in Mannum, Australia, with an impressive 357 hours of sunshine, marking the peak of the year for sunny days. This month stands out, as it not only surpasses the yearly average but also continues the upward trend from the previous months, particularly following November's 317 hours. As the year winds down, light levels build dramatically from the cooler months of May through July, where sunshine fell below the 240-hour mark. The transition into summer clearly brings a vibrant energy, with December encapsulating the essence of Australia’s warm and sunny climate, promising a cheerful end to the year. Embrace the sun-soaked days of December—it's the perfect time to soak up the outdoor splendor that Mannum has to offer!
In Mannum, Australia, December stands out as a beacon of sunshine, boasting a notable 69% chance of clear skies. This significant increase in sunny days marks a departure from the gloomier months preceding it; in fact, it is the highest probability of sunshine seen from January through November. As the year winds down, the trend shifts from the lower probabilities observed during the colder months of May (41%) and June (39%) to a vibrant high as summer approaches. The delightful sunshine of December not only enhances the festive spirit but also invites residents and visitors alike to embrace outdoor activities in the warmth of the sun.
In Mannum, Australia, the daylight duration exhibits a captivating seasonal rhythm. As the year begins, January and December each bask in 14 hours of daylight, marking the peak of summer. Following a gradual decline, daylight hours decrease to 10 hours by May, coinciding with the transition into winter. June sees the shortest days, offering just 9 hours of sunlight. However, as winter fades, daylight begins to lengthen again, bringing 10 hours in both July and August. By September, the days stretch back to 11 hours, gradually approaching the 12 hours of October and 13 hours in November, before returning to the summer highs. This cyclical pattern not only highlights the dynamic nature of daylight in Mannum but also enriches the region’s seasonal experience, inviting residents and visitors alike to embrace the changing light throughout the year.
As December rolls into Mannum, Australia, the average wind speed gently settles at 3.7 m/s (8 mph), mirroring the breezy conditions of early summer. This slight drop from the stronger gusts typically seen in July, which boasts an average of 4.4 m/s (10 mph), highlights a transition towards more moderate winds as the year draws to a close. Interestingly, December's winds hold steady compared to the previous months, with only a minor fluctuation from November's average of 3.8 m/s (9 mph). This consistency in wind patterns throughout the latter part of the year suggests a calming atmosphere, perfect for enjoying the serene yet vibrant landscapes of Mannum during this pleasant season.
The weather in Mannum 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 Mannum and find detailed weather information for every month.
In December, weather conditions exhibit a broader temperature range, with minimums dropping to 7°C (44°F) and averaging 20°C (68°F), while highs reach up to a scorching 45°C (113°F). Precipitation is relatively low, with 15 mm (0.6 in) falling over 3 days, and humidity averages around 46%. In contrast, January sees a slight increase in average temperatures, with minimums at 9°C (48°F) and an average of 22°C (71°F), maintaining the same maximum temperatures of 45°C (113°F). Precipitation remains consistent at 15 mm (0.6 in) but occurs over just 2 days, and humidity dips to 41%. For a closer look at January weather specifics, visit Mannum weather in January.
In December, the weather features a temperature range that sees minimums of 7°C (44°F) and maximums reaching up to 45°C (113°F), with an average temperature of 20°C (68°F). The month experiences 15 mm (0.6 in) of precipitation over 3 days and maintains a humidity level of 46%. In contrast, February records slightly milder temperatures with a minimum of 8°C (47°F) and maximums of 39°C (103°F), while still averaging at 20°C (68°F). Precipitation increases to 19 mm (0.7 in) but occurs over just 2 days, with consistent humidity at 46%. For more detailed insights, you can check out Mannum weather in February.
In December, the weather tends to be quite warm, with temperatures ranging from a minimum of 7°C (44°F) to a scorching maximum of 45°C (113°F), averaging around 20°C (68°F). Precipitation is relatively low at 15 mm (0.6 in) over about three days, and humidity sits at 46%. In contrast, March sees a slight drop in temperatures, with a minimum also at 7°C (44°F), an average of 19°C (66°F), and a maximum of 39°C (103°F). This month experiences even less rainfall, with only 8 mm (0.3 in) over just one day, and humidity increases to 55%. For more details on weather conditions during this month, you can check Mannum weather in March.
December and April present distinct weather characteristics. In December, temperatures range from a minimum of 7°C (44°F) to a scorching maximum of 45°C (113°F), with an average temperature of 20°C (68°F). The month experiences relatively low precipitation at 15 mm (0.6 in) over just three days and maintains a humidity level of 46%. In contrast, April sees cooler temperatures with a minimum of 4°C (39°F) and a maximum of 37°C (99°F), averaging 16°C (62°F). Precipitation increases slightly to 21 mm (0.8 in) over the same three days, accompanied by a higher humidity level of 66%. For a more detailed look at April weather, you can check out Mannum weather in April.
In December, temperatures can soar significantly, with minimums around 7°C (44°F) and highs reaching up to a scorching 45°C (113°F), while average temperatures hover around 20°C (68°F). The month experiences relatively low precipitation at 15 mm (0.6 in) over approximately 3 days, leading to a humidity level of 46%. In contrast, May presents a much cooler and wetter climate, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 26°C (80°F), and an average of 12°C (55°F). This month sees higher precipitation levels of 30 mm (1.2 in) spread across about 7 days, causing humidity to rise to 73%. For further details about the weather in May, you can check Mannum weather in May.
In December, the weather is characterized by significantly higher temperatures, with a minimum of 7°C (44°F), an average of 20°C (68°F), and a maximum soaring to 45°C (113°F). Precipitation is relatively low, averaging just 15 mm (0.6 in) over about 3 days, and humidity stands at a comfortable 46%. In contrast, June experiences much cooler conditions, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 21°C (70°F), resulting in a much colder average of 10°C (50°F). Rainfall is more prominent during this month, totaling 28 mm (1.1 in) over 6 days, and humidity is higher at 76%. For more detailed information, you can check Mannum weather in June.
When comparing December and July weather, notable differences emerge. December boasts a much wider temperature range, with minimums around 7°C (44°F) and soaring maximums up to 45°C (113°F), resulting in a warm average of 20°C (68°F). In contrast, July experiences cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 23°C (74°F), leading to a much lower average of 10°C (51°F). Additionally, July is characterized by higher humidity at 76% and more frequent rainfall, with precipitation occurring over 8 days and totaling 29 mm (1.1 in), as opposed to December's lower humidity of 46% and minimal precipitation of just 15 mm (0.6 in) over 3 days. For more details on July weather, you can check Mannum weather in July.
When comparing the weather in December and August, notable differences arise in temperature, precipitation, and humidity levels. December experiences a much warmer climate, with minimum temperatures around 7°C (44°F) and maximums soaring up to 45°C (113°F), while the average temperature rests at a comfortable 20°C (68°F). In contrast, August is markedly cooler, with temperatures ranging between 0°C (32°F) and a maximum of 24°C (75°F), averaging just 10°C (51°F).
Precipitation patterns also differ; December receives significantly less rainfall, totaling 15 mm (0.6 in) over about three days, whereas August experiences more frequent rain with 44 mm (1.7 in) across nine days. Additionally, August is more humid with a humidity level of 70%, compared to December's 46%. For more insights on the specifics of August weather, you can refer to Mannum weather in August.
In comparing the weather in December and September, December presents a much warmer climate with temperatures ranging from a minimum of 7°C (44°F) to a scorching maximum of 45°C (113°F), whereas September features cooler temperatures with a minimum of -1°C (31°F) and a maximum of 31°C (87°F). The average temperature in December is significantly higher at 20°C (68°F) compared to September's average of 13°C (55°F). When it comes to precipitation, December is relatively dry with only 15 mm (0.6 in) over three days, while September experiences more rain, accumulating 25 mm (1.0 in) across six days, and a higher humidity level of 65% compared to December's 46%. For more details, check Mannum weather in September.
When comparing the weather in December to that of October, significant differences can be observed. December features a much warmer temperature range, with minimums of 7°C (44°F) and maximums soaring to 45°C (113°F), while October experiences cooler temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 37°C (99°F). Additionally, December sees lower precipitation levels at 15 mm (0.6 in) over just 3 days, whereas October is wetter, with 28 mm (1.1 in) falling over 5 days. Humidity is also slightly higher in October at 51% compared to December's 46%. For more specifics on October's weather patterns, check out Mannum weather in October.
In December, the temperatures are slightly warmer than in November, with minimums around 7°C (44°F) and maximums reaching up to 45°C (113°F), compared to November's range of 5°C (41°F) to 43°C (110°F). The average temperature in December stands at 20°C (68°F), while November averages 18°C (64°F). Additionally, December experiences significantly less precipitation, with only 15 mm (0.6 in) falling over 3 days, compared to November's 32 mm (1.3 in) over 7 days. Humidity is also lower in December at 46%, contrasting with November's 50%. For more details, you can check out Mannum weather in November.
As December unfolds in Mannum, it ushers in a distinctively hot climate that sharply contrasts with the cooler months preceding it. With maximum temperatures soaring to an impressive 45°C, this month stands out as the hottest, making it ideal for those who relish the warmth of summer. While the average temperature remains a comfortable 20°C, the nights can cool down to a refreshing 7°C, offering a welcome reprieve from the daytime heat. Precipitation is minimal, with only a few days of light rain, coupled with moderate humidity levels that add a unique twist to the air. For a deeper understanding of how December's weather compares to other months, explore more at Mannum Climate.