December Weather in Sussex Inlet, Australia

Last updated: February 26, 2025

December in Sussex Inlet, Australia offers a delightful mix of warm weather and occasional rain. With maximum temperatures reaching 32°C (89°F) and an average of 19°C (67°F), this coastal paradise invites visitors to bask in the sun. However, the month also brings a bit of moisture, as precipitation totals 104 mm (4.1 in) over approximately 15 days, resulting in a humidity level of 71%. Whether you’re lounging on the beach or exploring the lush surroundings, Sussex Inlet in December provides a refreshing summer escape that balances warmth with a touch of refreshing rain.

December Temperature in Sussex Inlet

December in Sussex Inlet, Australia, marks the onset of summer warmth, with temperatures reflecting a pleasant variety. Minimums hover around 12°C (54°F), while averages rise to a comfortable 19°C (67°F), creating an inviting atmosphere for outdoor activities. The maximum can soar to 32°C (89°F), reminiscent of the balmy days of January and November, making it one of the warmest months of the year. As the landscape transforms with vibrant summer hues, December offers a perfect balance of warmth, encouraging locals and visitors alike to embrace the beauty of this coastal gem.

December Weather in Sussex Inlet: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sussex Inlet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec716967645954545457606367
Data source: Temperature data for Sussex Inlet 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 Sussex Inlet

December brings a blend of rainfall and warmth to Sussex Inlet, averaging 104 mm (4.1 in) over 15 days of precipitation. This marks a noticeable increase from the drier months of September and October, highlighting the region's transitional period as it heads into summer. November's preceding 122 mm (4.8 in) sets the stage for December's robust precipitation, creating a pattern of wetter conditions that tend to dominate the latter part of the year. Compared to the earlier months, where rainfall was comparatively low, December's totals emphasize the increasing trend in rainfall, enhancing the lushness of the natural surroundings and the overall vitality of this coastal landscape as it welcomes the holiday season.

December Precipitation Trends in Sussex Inlet

The chart displays monthly precipitation patterns in Sussex Inlet, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7113816954767974794885122104
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sussex Inlet

In December, Sussex Inlet experiences a relative humidity of 71%, marking a slight increase from the preceding months. This uptick is part of a broader pattern where humidity levels tend to be higher in the first half of the year, peaking at 74% in February, before gradually declining to their lowest point of 61% in October. As the year transitions into summer, the humidity begins to rise again, indicating the influence of warmer temperatures and seasonal changes. Overall, December’s humidity reflects this seasonal fluctuation, offering a comfortable balance that enhances the seaside charm of Sussex Inlet during the festive period.

December Average Humidity in Sussex Inlet

This chart illustrates the average monthly humidity levels in Sussex Inlet, 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.
JanFebMarAprMayJunJulAugSepOctNovDec70%75%73%73%72%70%69%68%64%61%64%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sussex Inlet

As December rolls in, Sussex Inlet experiences a significant shift in its UV Index, reaching 14 and falling into the extreme exposure category, which means that unprotected skin can burn in just 10 minutes. This trend continues the pattern seen throughout the warmer months, with a high UV Index peaking in January at 15. Following a slight decline in April and May, the UV levels rise again in November before hitting December's mark, illustrating the strong summer sun's impact. With the UV Index consistently remaining in the extreme range during these peak months, it's crucial for residents and visitors alike to stay vigilant about sun protection. For detailed information, check out Sussex Inlet UV Index.

Maximum UV Index Levels in Sussex Inlet for December

The chart shows the monthly maximum UV Index (UVI) for Sussex Inlet 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.
JanFebMarAprMayJunJulAugSepOctNovDec151312853358101214
Data source: Sussex Inlet 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 Sussex Inlet

As December rolls in, Sussex Inlet basks in an impressive 306 hours of sunshine, marking it as the sunniest month of the year. This vibrant finale to the calendar reflects a trend of increasing daylight, as the town transitions from the year’s low of 217 hours in June to a remarkable peak in December. Following a steady rise through the warmer months, sunshine hours soar dramatically in November with 298 hours, setting the stage for the radiant December that follows. This pattern not only enhances the region's beauty but also encourages outdoor activities and celebrations during the festive season, inviting locals and visitors alike to relish the bright days before the summer winds down.

Monthly Sunshine Duration in Sussex Inlet: December Highlighted

The December sunshine duration represents the total number of hours Sussex Inlet 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.
JanFebMarAprMayJunJulAugSepOctNovDec254h267h263h262h242h217h245h262h280h296h298h306h
Data source: Sussex Inlet December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sussex Inlet During December

In Sussex Inlet, December brings a 34% chance of sunny weather, marking a slight uptick from the previous month. This figure reflects a broader trend of fluctuating sunshine throughout the year, with April and August boasting the highest probabilities at 63% and 60%, respectively. The transition from the vibrant colors of spring to the onset of summer typically sees a modest shift in weather patterns; however, December's sunshine remains relatively low compared to the sunnier months ahead. As the year closes, hopeful sun-seekers may find solace in the fact that while December offers limited sunny days, it hints at the sunny days to come in the peak summer months.

Percentage of Sunny Days in December in Sussex Inlet

The chart illustrates the percentage of sunny days in Sussex Inlet 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 Sussex Inlet experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%31%37%63%57%44%56%60%57%45%22%34%
Data source: Sussex Inlet December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sussex Inlet in December

In Sussex Inlet, Australia, daylight duration follows a captivating seasonal rhythm, peaking at 14 hours in both January and December. This striking consistency hints at the region’s proximity to the summer solstice, where long, sun-filled days dominate the landscape. As the year progresses, daylight gradually dwindles to 10 hours in May and June, reflecting the colder months before it begins to reclaim its strength. By September, daylight starts to extend again, culminating in the return to 14 hours by the end of the year. This cyclical dance of light not only accentuates the beauty of Sussex Inlet's natural surroundings but also invites locals and visitors alike to revel in the vibrant outdoor activities that flourish with the sun's embrace.

Average Daylight Hours in Sussex Inlet for December

The chart illustrates the variation in daylight duration in Sussex Inlet throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 12m13h 21m12h 16m11h 10m10h 15m9h 48m10h 2m10h 49m11h 51m12h 58m13h 57m14h 27m
Data source: Sussex Inlet daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sussex Inlet

In December, Sussex Inlet experiences a gentle breeze with an average wind speed of 4.2 m/s (approximately 9 mph), which is consistent with the mild winds enjoyed earlier in the year. Notably, the wind speeds throughout the months show a tendency toward stabilization, with most of the year hovering around the 10 mph mark. This month's figure fits neatly within that range, echoing the breezy conditions seen in January, February, and March. As summer approaches, these moderate winds provide a refreshing contrast to the rising temperatures, making December an ideal time for outdoor activities in this picturesque coastal setting. The overall trend suggests a reliable and pleasant atmospheric rhythm, inviting both locals and visitors to embrace the seasonal charm of Sussex Inlet.

Average December Wind Speed in Sussex Inlet

The chart displays monthly wind speed patterns in Sussex Inlet, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.34.33.24.14.44.54.54.63.94.04.2 m/s
Data source: Sussex Inlet December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sussex Inlet Compares to Other Months

The weather in Sussex Inlet 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 Sussex Inlet and find detailed weather information for every month.

In December, the weather is typically warm, with minimum temperatures around 12°C (54°F), averaging 19°C (67°F), and peaking at a maximum of 32°C (89°F). This month experiences considerable rainfall, totaling 104 mm (4.1 in) over approximately 15 days, with humidity levels averaging 71%. In contrast, January sees a slight increase in average temperature to 21°C (71°F), while maximum temperatures rise to 33°C (92°F). Precipitation decreases to 71 mm (2.8 in) spread over about 10 days, with humidity remaining fairly consistent at 70%. For more detailed information, you can check Sussex Inlet weather in January. Overall, while both months are characterized by warm temperatures, January offers slightly higher averages and less rainfall.

In December, temperatures in Sussex Inlet range from a minimum of 12°C (54°F) to a maximum of 32°C (89°F), with an average of 19°C (67°F). The month experiences about 104 mm (4.1 in) of precipitation over 15 days, and the humidity hovers around 71%. In contrast, February brings slightly warmer temperatures, with a minimum of 14°C (58°F) and an average of 21°C (69°F), while still reaching a maximum of 32°C (90°F). February also sees increased precipitation at 138 mm (5.4 in) over 16 days and a slight rise in humidity to 74%. For more detailed insights into February's weather, you can visit Sussex Inlet weather in February.

In December, the weather experiences a warm range with minimum temperatures around 12°C (54°F) and maximum highs reaching 32°C (89°F), coupled with an average temperature of 19°C (67°F). The month sees about 104 mm (4.1 in) of precipitation over 15 days, with humidity hovering around 71%. In contrast, March brings slightly higher average temperatures at 20°C (68°F) and maximums peaking at 33°C (91°F), while maintaining the same minimum of 12°C (54°F). Precipitation increases to 169 mm (6.6 in), occurring over 17 days, and humidity rises modestly to 73%. For more details, check out Sussex Inlet weather in March.

When comparing the weather in December and April, December tends to be warmer with average temperatures ranging from 19°C (67°F) to a maximum of 32°C (89°F). The month also experiences higher precipitation, totaling 104 mm (4.1 in) over 15 days, alongside a relative humidity of 71%. In contrast, April has slightly cooler temperatures, averaging 18°C (64°F) with a maximum of 28°C (83°F) and a minimum of 10°C (51°F). Precipitation in April is less intense, at 54 mm (2.1 in) spread over 10 days, and humidity is marginally higher at 73%. For more specific details on the climate during this month, you can refer to Sussex Inlet weather in April.

In December, the weather is generally warmer compared to May, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (89°F) and an average of 19°C (67°F). The month sees higher precipitation as well, with 104 mm (4.1 in) across 15 days, resulting in a humid environment with an average humidity of 71%. In contrast, May experiences cooler temperatures, with minimums at 8°C (46°F) and maximums peaking at 23°C (74°F), and an average temperature of 15°C (59°F). The precipitation in May is lower at 76 mm (3.0 in) over just 7 days, and humidity remains slightly elevated at 72%. For more detailed insights, you can check out Sussex Inlet weather in May.

December and June present contrasting weather patterns, reflecting the seasonal shift. In December, temperatures range from a minimum of 12°C (54°F) to a warm maximum of 32°C (89°F), with an average of 19°C (67°F). The month is relatively wet, receiving 104 mm (4.1 in) of precipitation over 15 days, and the humidity sits at a comfortable 71%. In contrast, June experiences cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 19°C (67°F), averaging only 12°C (55°F). The precipitation is lighter, at 79 mm (3.1 in) over 11 days, with humidity slightly lower at 70%. For more detailed insights on June weather, you can visit Sussex Inlet weather in June.

In December, the weather is generally warmer and more humid compared to July, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (89°F), and an average of 19°C (67°F). Additionally, December experiences more precipitation, totaling 104 mm (4.1 in) over about 15 days. In contrast, July sees cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 21°C (69°F), an average temperature of 12°C (54°F), and significantly less rainfall at 74 mm (2.9 in) spread across only 6 days. Despite the lower humidity of 69% in July, both months showcase distinct weather patterns that highlight the transition from summer warmth to winter coolness. For those interested in the specifics of July's weather, additional details can be found here: Sussex Inlet weather in July.

December and August present notably different weather patterns in terms of temperature and precipitation. December boasts a warmer climate, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (89°F), while August is significantly cooler, with temperatures peaking at 22°C (71°F) and dipping as low as 6°C (42°F). The humidity levels are relatively similar, with December at 71% and August slightly lower at 68%. Additionally, December experiences more rainfall, averaging 104 mm (4.1 in) over 15 days, compared to August's 79 mm (3.1 in) over just 7 days. For more detailed information about the weather during this time, you can visit Sussex Inlet weather in August.

In December, the weather in Sussex Inlet is notably warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (89°F), compared to the cooler September averages of 7°C (44°F) to 26°C (79°F). December also experiences significantly higher precipitation, with 104 mm (4.1 in) over about 15 days, while September sees only 48 mm (1.9 in) across 8 days. Additionally, the humidity in December is higher at 71%, compared to 64% in September, contributing to a more humid summer feel. For a deeper dive into September weather specifics, you can visit Sussex Inlet weather in September.

In December, the weather is notably warmer compared to October, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (89°F), while October sees cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 28°C (82°F). December also experiences higher humidity at 71% and more precipitation, totaling 104 mm (4.1 in) over 15 days, compared to October's 85 mm (3.4 in) over 13 days and lower humidity at 61%. This contrast makes December feel more tropical and damp, while October retains a cooler, more comfortable climate. For a closer look at October's weather specifics, you can visit Sussex Inlet weather in October.

In comparing the weather between November and December, December experiences slightly warmer temperatures, with an average of 19°C (67°F) compared to November's 17°C (64°F). While December has a minimum temperature of 12°C (54°F), November starts a bit cooler at 10°C (50°F). Interestingly, both months have similar maximum temperatures, with December reaching 32°C (89°F) and November peaking at 33°C (91°F). Precipitation is slightly lower in December at 104 mm (4.1 in) over 15 days, compared to November's 122 mm (4.8 in) over 12 days. Additionally, humidity levels are higher in December at 71%, compared to November's 64%. For a deeper insight into the weather patterns, check out Sussex Inlet weather in November.

Compare Sussex Inlet's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Sussex Inlet

December in Sussex Inlet ushers in the height of summer, bringing warmer temperatures and a noticeable increase in humidity, making the air feel lively and invigorating. With average highs reaching a comfortable 32°C (89°F), this month contrasts sharply with the cooler, drier months that precede it. However, visitors should be prepared for the occasional rainfall, as precipitation is recorded on about half the days of the month, accumulating to around 104 mm (4.1 in). This blend of warmth and humidity creates a vibrant atmosphere, perfect for enjoying the natural beauty of the region. For more insights into the seasonal variations of this charming locale, visit Sussex Inlet Climate.