December Weather in Mullumbimby, Australia

Last updated: February 26, 2025

In December, Mullumbimby, Australia, experiences a warm and humid climate, with maximum temperatures reaching 33°C (91°F) and an average of 23°C (74°F). The evenings can be pleasantly mild, with minimum temperatures around 17°C (62°F). This month also sees significant rainfall, with 170 mm (6.7 in) of precipitation spread over approximately 16 days, contributing to the lush greenery that characterizes the region. With humidity levels averaging 80%, the air is often thick and tropical, making December a vibrant yet soaked month in Mullumbimby.

December Temperature in Mullumbimby

In Mullumbimby, Australia, December ushers in the summer warmth with temperatures that showcase the vibrant character of the season. The month starts with a minimum of 17°C (62°F), ensuring mild evenings, while daytime temperatures reach an inviting maximum of 33°C (91°F). The average temperature settles around 23°C (74°F), reflecting a delightful blend of warmth throughout the month. Compared to the cooler months preceding it, December is noticeably warmer, continuing the upward trend as the year nears its climax. As the festive season approaches, residents and visitors alike can revel in the sun-drenched days, making it a perfect time to explore the lush surroundings and bask in the laid-back atmosphere of this charming town.

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

The chart illustrates December temperature patterns in Mullumbimby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec757573686459595963677073
Data source: Temperature data for Mullumbimby 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 Mullumbimby

December in Mullumbimby, Australia, typically marks a notable shift in precipitation patterns, as the region experiences a significant increase in rainfall, accumulating around 170 mm (6.7 in) over approximately 16 days. This month's precipitation, while vibrant, reflects a consistent trend seen throughout the latter half of the year, characterized by a general rise in rainfall from the drier winter months of July and August. Compared to the 88 mm (3.4 in) of rain recorded in November, December's totals highlight a robust transition towards the wet season, aligning with the spike in summer thunderstorms. As the year winds down, December's weather not only enriches the lush landscapes of Mullumbimby but also sets the stage for the wet season ahead, reinforcing its role as a critical month in the local climate cycle.

December Precipitation Trends in Mullumbimby

The chart displays monthly precipitation patterns in Mullumbimby, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9421222385698664354116288170
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mullumbimby

In Mullumbimby, Australia, December brings a notable surge in humidity, reaching 80%, which aligns with the higher levels seen at the beginning of the year in January and February. This pattern reveals a distinct seasonal trend: humidity tends to peak during the warmer months, maintaining a fairly high level throughout, particularly between November and February. As the year progresses into the cooler months, humidity generally declines, hitting a low of 69% in September before starting to rise again in late spring. Consequently, December not only marks a seasonal peak but also sets the stage for a humid summer ahead, echoing the lush, vibrant environment characteristic of this beautiful region.

December Average Humidity in Mullumbimby

This chart illustrates the average monthly humidity levels in Mullumbimby, 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.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%80%78%74%71%70%71%69%71%76%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mullumbimby

In Mullumbimby, Australia, the UV Index in December reaches a notable 15, categorized as extreme, reflecting a trend of heightened sun exposure throughout the warmer months. From January to March, the UV Index consistently peaks at 15, urging residents and visitors alike to prioritize sun safety with a minimal burn time of just 10 minutes. As the year progresses into April and May, the UV Index starts to taper off, dropping to 10 and then 7, yet still indicative of very high to high exposure conditions, necessitating vigilance. However, June and July present a reprieve with moderate levels of UV, allowing for longer exposure times. As the seasons shift again in August and September, the index climbs back into the very high category, before peaking once more in October and November. This cyclical pattern culminates in December, where the intensity of the summer sun is back in full force. For more detailed information on sun exposure, visit Mullumbimby UV Index.

Maximum UV Index Levels in Mullumbimby for December

The chart shows the monthly maximum UV Index (UVI) for Mullumbimby 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.
JanFebMarAprMayJunJulAugSepOctNovDec1515131075589121315
Data source: Mullumbimby 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 Mullumbimby

In Mullumbimby, Australia, the sun shines brightly during the summer months, culminating in December's impressive count of 328 hours of sunshine. This peak reflects a delightful trend, as sunshine hours steadily increase from the cooler winter months, where June and July see around 240 to 258 hours. With November laying the groundwork with 326 hours, December welcomes the festive season with even more radiant days, contrasting sharply with the cloudier autumnal periods. It's clear that the transition to warmer weather not only brightens the landscape but also enriches the local lifestyle, inviting residents and visitors alike to bask in the abundant sunshine. Overall, the sun's generous embrace during these months is a defining characteristic of Mullumbimby's charm.

Monthly Sunshine Duration in Mullumbimby: December Highlighted

The December sunshine duration represents the total number of hours Mullumbimby 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.
JanFebMarAprMayJunJulAugSepOctNovDec279h278h283h273h256h240h258h289h299h297h326h328h
Data source: Mullumbimby December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mullumbimby During December

In Mullumbimby, December sees a 39% chance of sunny weather, hinting at a transition into the wetter months of the year. This likelihood reflects a noteworthy dip from the higher percentages experienced during the cooler, mid-year months, which boast sunny days at rates around 64% to 68% in July and August. As spring gives way to summer, the prior months of November and October also experience lower chances of sunshine, emphasizing a gradual decline as the region prepares for the humid and unpredictable conditions of late summer. Overall, those hoping for radiant days in December might find a mix of sunny spells and cloudy patches, indicative of the changing seasonal patterns in this beautiful Australian locale.

Percentage of Sunny Days in December in Mullumbimby

The chart illustrates the percentage of sunny days in Mullumbimby 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 Mullumbimby experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%33%35%54%53%59%64%68%65%48%27%39%
Data source: Mullumbimby December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mullumbimby in December

In Mullumbimby, Australia, daylight duration reveals a rhythmic pattern as the year unfolds. With 13 hours of daylight in both January and February, the summer months embrace longer days, allowing for vibrant outdoor activities. As autumn arrives in March, daylight begins to wane, dropping to 12 hours, and continues to diminish through the cooler months of April and May, where it reaches a low of 10 hours by mid-winter. Interestingly, daylight remains consistent at 10 hours from June through July, after which it gradually starts to return. By August and September, the days extend back to 11 hours, signaling the arrival of spring. October brings a subtle increase to 12 hours, while November and December once again bask in 13 hours of sunlight, closing the year with the same brightness that began it. This cyclical variation beautifully mirrors the changing seasons, contributing to the unique charm of Mullumbimby’s climate.

Average Daylight Hours in Mullumbimby for December

The chart illustrates the variation in daylight duration in Mullumbimby throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 43m13h 3m12h 13m11h 22m10h 40m10h 20m10h 30m11h 6m11h 54m12h 46m13h 31m13h 54m
Data source: Mullumbimby daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Mullumbimby

In Mullumbimby, December brings a pleasant average wind speed of 3.2 m/s (7 mph), mirroring the calm consistency seen throughout much of the year. As the summer season approaches, the winds remain gentle, much like those encountered in the preceding months of April, May, and March, suggesting a stable climatic rhythm. Notably, September stands out with its breezier conditions, reaching an invigorating 4.0 m/s (9 mph), hinting at seasonal fluctuations. However, December wraps up the year with a return to the softer, serene breezes that define the local landscape, making it an ideal time for outdoor activities and enjoying the natural beauty of the region.

Average December Wind Speed in Mullumbimby

The chart displays monthly wind speed patterns in Mullumbimby, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.43.23.22.93.13.32.94.03.43.43.2 m/s
Data source: Mullumbimby December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Mullumbimby Compares to Other Months

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

December generally experiences slightly warmer temperatures compared to January, with an average of 23°C (74°F) and a maximum of 33°C (91°F) versus January's average of 24°C (75°F) and maximum of 32°C (90°F). However, December also sees higher rainfall, totaling 170 mm (6.7 in) over 16 days, while January receives only 94 mm (3.7 in) across 12 days, resulting in a drier start to the year. Humidity remains relatively high in both months, with December at 80% and January at 78%. For more detailed insights, you can check the Mullumbimby weather in January.

In December, the weather typically features a temperature range with a minimum of 17°C (62°F) and an average of 23°C (74°F), reaching a maximum of 33°C (91°F). The month also experiences significant rainfall, totaling around 170 mm (6.7 in) over 16 days, all while maintaining a consistent humidity level of 80%. By February, temperatures show a slight increase, with a minimum of 17°C (63°F), an average of 24°C (75°F), and a maximum of 34°C (93°F). However, February sees even more precipitation, with 212 mm (8.3 in) spread over 17 days, all while keeping the same humidity at 80%. For more detailed insights, you can check Mullumbimby weather in February.

In comparing the weather between December and March, we find that both months feature similar average temperatures, with December having a slightly higher maximum of 33°C (91°F) compared to March's 32°C (90°F). However, March sees increased precipitation, totaling 223 mm (8.8 in) over 21 days, compared to December’s 170 mm (6.7 in) across 16 days. Humidity remains consistent at 80% for both months, creating a similarly tropical feel. For more detailed insights, you can check Mullumbimby weather in March.

December and April exhibit distinct weather patterns that reflect their respective positions in the seasonal calendar. In December, temperatures are generally warmer, with minimums around 17°C (62°F) and maximums soaring to 33°C (91°F). This month also sees significant rainfall, with an average precipitation of 170 mm (6.7 in) over 16 days, resulting in higher humidity at 80%. In contrast, April presents a milder climate; temperatures range from a minimum of 12°C (54°F) to a maximum of 30°C (86°F), and the total precipitation is notably lower at 85 mm (3.4 in) across 14 days. The humidity also drops slightly to 78%. For more details on the weather during this month, check out Mullumbimby weather in April.

When comparing December and May weather, notable differences emerge in terms of temperature and precipitation. December boasts a much warmer climate, with average temperatures ranging from a minimum of 17°C (62°F) to a maximum of 33°C (91°F), accompanied by high humidity levels at 80%. In contrast, May experiences cooler temperatures, with averages from 10°C (50°F) to 26°C (78°F), and a lower humidity of 73%. Precipitation is also significantly reduced in May, with 69 mm (2.7 in) spread over 12 days, compared to December's 170 mm (6.7 in) over 16 days. For more detailed weather information on May, you can check Mullumbimby weather in May.

In December, Mullumbimby experiences significantly warmer temperatures, with a minimum of 17°C (62°F) and a maximum reaching up to 33°C (91°F), resulting in an average of 23°C (74°F). The month also sees considerable rainfall, with precipitation of 170 mm (6.7 in) spread over 16 days and a high humidity level of 80%. In contrast, June brings a much cooler climate, with minimum temperatures dropping to 8°C (47°F) and an average temperature of just 15°C (60°F), peaking at 23°C (73°F). The precipitation is lower in June, totaling 86 mm (3.4 in) over 12 days, and the humidity is slightly reduced at 71%. For those interested in more detailed weather patterns, you can explore Mullumbimby weather in June.

December and July present strikingly different weather conditions. In December, temperatures range from a minimum of 17°C (62°F) to a maximum of 33°C (91°F), with an average of 23°C (74°F). The month is quite wet, with a total precipitation of 170 mm (6.7 in) over 16 days and humidity levels at a high 80%. In contrast, July experiences much cooler weather, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 23°C (74°F) and an average of just 15°C (59°F). Rainfall is significantly lower in July, totaling 64 mm (2.5 in) across only 9 days, accompanied by a relatively lower humidity of 70%. To understand more about Mullumbimby weather during the cooler month of July, visit Mullumbimby weather in July.

When comparing the weather in December and August, it's clear that December is significantly warmer and more humid. In December, temperatures range from a minimum of 17°C (62°F) to a maximum of 33°C (91°F), with an average temperature of 23°C (74°F). Additionally, December experiences higher precipitation, with 170 mm (6.7 in) over 16 days, contributing to 80% humidity. In contrast, August is much cooler, with temperatures ranging from a low of 6°C (43°F) to a high of 26°C (80°F) and an average of 15°C (60°F). Rainfall is also minimal in August, with only 35 mm (1.4 in) over 4 days and a lower humidity of 71%. For more detailed weather information for August, you can check Mullumbimby weather in August.

December and September exhibit stark contrasts in weather patterns. In December, temperatures range from a minimum of 17°C (62°F) to a maximum of 33°C (91°F), with an average of 23°C (74°F), and the month is characterized by a high humidity level of 80%. Additionally, December sees considerable rainfall, totaling 170 mm (6.7 in) over 16 days. In contrast, September features much cooler temperatures, ranging from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), with an average of just 17°C (63°F). Precipitation in September is significantly lower at 41 mm (1.6 in) across only 6 days, and humidity is relatively lower at 69%. For a detailed look at the weather specifics during September, you can visit Mullumbimby weather in September.

When comparing the weather in December and October, notable differences emerge. December tends to be significantly warmer, with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 33°C (91°F), while October experiences cooler temperatures, with a minimum of 11°C (53°F) and a maximum of 29°C (85°F). Both months see a similar level of precipitation, with December recording 170 mm (6.7 in) over 16 rainy days compared to October’s 162 mm (6.4 in) over 13 days. Additionally, December has a higher humidity level at 80%, compared to October's 71%. For a detailed look at October's weather, you can check this link: Mullumbimby weather in October.

In comparing the weather between November and December, December generally features warmer temperatures, with a minimum of 17°C (62°F) and an average of 23°C (74°F), compared to November's lower minimum of 13°C (57°F) and an average of 21°C (70°F). The maximum temperatures also rise slightly from 31°C (88°F) in November to 33°C (91°F) in December. Precipitation increases significantly as well, with December experiencing 170 mm (6.7 in) over 16 days, compared to November's 88 mm (3.4 in) over 12 days. Additionally, humidity levels are higher in December at 80%, compared to 76% in November. For more details on November weather, you can check Mullumbimby weather in November.

Compare Mullumbimby's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Mullumbimby

As December settles in, Mullumbimby transforms into a warm and humid oasis, offering a striking contrast to the cooler months preceding it. With temperatures often peaking at a balmy 33°C (91°F) and a higher humidity level hovering around 80%, the energy of summer is unmistakable. This month also sees a rise in precipitation, with rain gracing the landscape for 16 days, contributing to the lush, vibrant scenery that defines this season. If you're curious to learn more about the unique characteristics of Mullumbimby's climate throughout the year, visit Mullumbimby Climate.