Last updated: February 25, 2025
In December, Byron Bay transforms into a vibrant coastal haven characterized by warm temperatures and high humidity. Daily highs can soar up to 35°C (95°F), averaging a pleasant 24°C (75°F), while the nights remain comfortably cool at around 17°C (63°F). The region experiences significant rainfall, with 147 mm (5.8 in) spread over 14 days, contributing to the lush landscapes typical of this tropical climate. Visitors to this stunning destination can expect a blend of sunny days and refreshing showers, encapsulating the essence of an Australian summer by the beach.
In December, Byron Bay transitions into the heart of summer, with temperatures reflecting the vibrant energy of the season. The minimum temperature starts at a comfortable 17°C (63°F), while the average climbs to a delightful 24°C (75°F), inviting beachgoers and outdoor enthusiasts alike to bask in the sun. With a maximum soaring to 35°C (95°F), the warmth encourages both relaxation and adventure along the stunning coast. This month marks a peak in warmth compared to previous months, demonstrating a trend of progressively rising temperatures as the year comes to a close. As daylight hours stretch longer, the lively atmosphere of Byron Bay is perfect for enjoying its picturesque landscapes and vibrant communities.
December in Byron Bay sees a notable increase in precipitation, with 147 mm (5.8 in) of rainfall spread over 14 days. This is a significant jump from the drier months earlier in the year, particularly from August's low of just 30 mm (1.2 in) and July's 57 mm (2.3 in). The month ushers in the summer wet season, suggesting a shift toward a more humid climate as holiday festivities spark activity across the coastal town. With temperatures rising and rain patterns becoming more pronounced, December is characterized by vibrant greenery and an invigorated coastal ecosystem, inviting both locals and visitors to enjoy the lush surroundings.
In Byron Bay, Australia, December ushers in a notable 80% humidity, aligning with the peak of the summer season. This month mirrors the high humidity levels observed in both January and February, creating a consistent pattern through the warmer months. After a gradual decline from April's 78% to a low of 69% in September, the humidity begins to rise again in November, closing the year on a humid note reminiscent of early summer. Such trends highlight Byron Bay's tropical climate, where warm, moisture-laden air dominates the latter part of the year, inviting both visitors and locals to embrace the vibrant, lush surroundings.
In December, Byron Bay experiences an extreme UV Index of 15, making sun safety a top priority for residents and visitors alike, with a burn time of just 10 minutes. This peak is consistent with the trend seen in the previous months of January and February, both also registering a UV Index of 15. It’s interesting to note that as summer unfolds, the UV Index remains high, often reaching extreme levels, particularly from November through February. The transition into autumn in April sees a decrease to a very high UV Index of 10, followed by a gradual decline into more moderate levels as the year progresses. For those enjoying the sunny beach days of December, it's crucial to prioritize sun protection. Learn more about the UV Index trends in Byron Bay to stay safe under the sun at Byron Bay UV Index.
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December in Byron Bay shines brightly with 326 hours of glorious sunshine, making it one of the sunniest months of the year. As the year comes to a close, this vibrant coastal town basks in an increasing trend of sunlight, peaking in both November and December. With sunny skies soaring from 325 hours in November to 326 hours in December, the region showcases its warm, inviting charm just in time for the holiday season. This pattern of escalating daylight foreshadows the slip from peak sunshine in the summer months to milder tones in early autumn, where sunshine averages begin to decrease. Overall, December's radiance contributes to Byron Bay’s reputation as a haven for sun-seekers and beach lovers alike, promising ample opportunities for outdoor fun and relaxation.
In December, Byron Bay experiences a 42% chance of sunny weather, which reflects a notable dip compared to the previous months. Interestingly, this month falls between the sunnier winter months of June (61%) and July (64%) and the more overcast November (29%). The trend shows that while December offers a moderate chance of sunshine, it is significantly lower than the summer peak in January (48%), suggesting that visitors may encounter a mix of sun and clouds. As the year wraps up, nature offers a transitional phase, where the warmth lingers but a greater likelihood of rain may enter the scene, making it wise for travelers to pack for both sun and occasional showers.
In Byron Bay, Australia, December brings the delightful return of 13 hours of daylight, mirroring the sunny months of January and February. As the year progresses, daylight durations gradually decrease, with March seeing a slight dip to 12 hours, followed by a steady decline through the winter months of April to July, where daylight lingers for 10 hours. However, with the arrival of August, the days begin to lengthen once again, reaching 11 hours by early spring. The cycle continues, culminating in December's long, sun-soaked days, perfect for enjoying the region’s stunning beaches and vibrant outdoor lifestyle. This annual rhythm highlights Byron Bay's exceptional climate and offers a beautiful balance between light and shadow throughout the year.
As the year draws to a close, December in Byron Bay greets visitors with a gentle average wind speed of 3.4 m/s (8 mph), maintaining a consistent breeze reminiscent of the previous months. This steady wind carries the warmth of summer, making it perfect for beachgoers and outdoor enthusiasts. Notably, the wind tends to pick up momentum during spring and early summer, peaking in September at 4.2 m/s (9 mph), before settling back into the tranquil patterns of late autumn and early winter. The overall trend reveals a harmonious balance between refreshing winds and the laid-back atmosphere that Byron Bay is famous for, inviting everyone to savor the natural beauty and vibrant lifestyle this coastal paradise offers.
The weather in Byron Bay 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 Byron Bay and find detailed weather information for every month.
In comparing the weather between December and January, we observe that both months have warm temperatures, with December featuring a minimum of 17°C (63°F) and a maximum of 35°C (95°F), while January has a slightly milder range with a minimum of 16°C (61°F) and a maximum of 34°C (94°F). The average temperature rises slightly from December to January, moving from 24°C (75°F) to 25°C (77°F). Notably, December experiences significantly more rainfall, with 147 mm (5.8 in) over 14 days, compared to January's 75 mm (2.9 in) across just 10 days. Humidity levels are comparable, sitting at 80% in December and 78% in January. For a more detailed look at January weather in Byron Bay, you can explore Byron Bay weather in January.
In comparing the weather of December and February, both months experience similar minimum temperatures, with December at a low of 17°C (63°F) and February also maintaining the same minimum. However, February tends to be slightly warmer on average, reaching up to 76°F compared to December's 75°F. The maximum temperature is higher in February, peaking at 36°C (98°F) compared to December's 35°C (95°F). Precipitation is also greater in February, with 199 mm (7.8 in) of rainfall over 15 days, compared to December's 147 mm (5.8 in) over 14 days. Despite the increased rainfall, both months maintain the same level of humidity at 80%. To explore more about the specific weather conditions in February, you can visit Byron Bay weather in February.
In December, the weather features a warm range of temperatures, with minimums around 17°C (63°F) and maximums reaching up to 35°C (95°F). The average temperature hovers at 24°C (75°F), accompanied by 147 mm (5.8 in) of precipitation over about 14 days, maintaining a consistent humidity level of 80%.
In contrast, March brings slightly cooler temperatures with minimums at 16°C (62°F) and maximums around 33°C (92°F), averaging 23°C (74°F). However, March experiences more rainfall, totaling 192 mm (7.5 in) across approximately 20 days, while humidity remains steady at 80%.
For a more detailed look at the weather patterns specific to March, check Byron Bay weather in March.
When comparing the weather in December and April, December tends to be warmer and more humid. In December, temperatures range from a minimum of 17°C (63°F) to a maximum of 35°C (95°F), with an average of 24°C (75°F). This month also sees significant precipitation averaging 147 mm (5.8 in) across 14 days, maintaining a humidity level of 80%. In contrast, April offers relatively cooler temperatures, with a minimum of 12°C (53°F), an average of 21°C (69°F), and a maximum of 31°C (88°F). Precipitation in April is lower, averaging 82 mm (3.2 in) over 13 days, and humidity also decreases slightly to 78%. For more insights on April weather, you can check Byron Bay weather in April.
Comparing the weather in December and May reveals significant differences in temperature and humidity. December experiences a warmer climate with minimum temperatures around 17°C (63°F), an average of 24°C (75°F), and maximum peaks reaching up to 35°C (95°F). In contrast, May's temperatures are much cooler, with minimums of 9°C (49°F), an average of 18°C (65°F), and a maximum of 27°C (80°F). Additionally, December sees higher humidity levels at 80%, compared to May's lower humidity of 73%. Precipitation is also more frequent in December, with 147 mm (5.8 in) over 14 days, while May has 61 mm (2.4 in) over just 11 days. For more specific insights into May weather, you can visit Byron Bay weather in May.
In December, the weather is significantly warmer, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 35°C (95°F) and an average temperature of 24°C (75°F). This month also experiences higher precipitation, with 147 mm (5.8 in) occurring over 14 days, contributing to a humidity level of 80%. In contrast, June brings cooler temperatures, with a range from 8°C (46°F) to a maximum of 23°C (74°F) and an average of 16°C (60°F). The precipitation in June is lower, at 82 mm (3.2 in) over 12 days, and the humidity is less at 71%. For more detailed information, check out Byron Bay weather in June.
The weather in December is notably warmer and more humid compared to July, with average temperatures ranging from a mild 24°C (75°F) to a scorching 35°C (95°F) and high humidity levels of 80%. In contrast, July experiences cooler temperatures, with averages between 6°C (43°F) and 24°C (76°F), along with lower humidity at 70%. Additionally, December sees significantly more rainfall, averaging 147 mm (5.8 in) over about 14 days, while July has only 57 mm (2.3 in) of precipitation across 8 days. For more details on July weather, check out Byron Bay weather in July.
December and August present stark contrasts in weather. In December, temperatures range from a minimum of 17°C (63°F) to a maximum of 35°C (95°F), with an average of 24°C (75°F). This month is marked by higher humidity at 80% and significant precipitation of 147 mm (5.8 in) over 14 days, creating a tropical feel. In contrast, August experiences much cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 27°C (82°F), averaging only 16°C (61°F). Additionally, August is far drier, with just 30 mm (1.2 in) of rain falling over 4 days and lower humidity at 71%. For a detailed look at August conditions, check out Byron Bay weather in August.
When comparing the weather in December and September, one can observe notable differences. December boasts much warmer temperatures, with a minimum of 17°C (63°F) and an average of 24°C (75°F), reaching a maximum of 35°C (95°F). In contrast, September experiences cooler weather, with temperatures ranging from a minimum of 9°C (48°F) to an average of 18°C (64°F), and a maximum of 32°C (90°F). Additionally, December sees significantly more precipitation, with 147 mm (5.8 in) over 14 days, compared to September's 38 mm (1.5 in) over just 5 days. The humidity is also higher in December, at 80%, compared to September's 69%. For more specific insights into September weather, you can check Byron Bay weather in September.
When comparing the weather in December and October, there are notable differences in temperature and humidity. December features a warmer climate with average temperatures reaching 24°C (75°F) and maximums of 35°C (95°F), in contrast to October's cooler average of 20°C (69°F) and maximums of 31°C (88°F). Additionally, December tends to be more humid, with levels around 80%, compared to October's 71% humidity. Precipitation is fairly similar, with December receiving 147 mm (5.8 in) over 14 days and October having 131 mm (5.1 in) across 13 days. For more detailed insights, check out Byron Bay weather in October.
In comparing the weather between November and December, December tends to be warmer and wetter. The minimum temperature in December is higher at 17°C (63°F) compared to November's 14°C (57°F), while the average temperature rises to 24°C (75°F) from November's 22°C (71°F). Additionally, December sees a maximum temperature of 35°C (95°F), surpassing November's high of 32°C (90°F). On the precipitation front, December receives significantly more rain, with 147 mm (5.8 in) over 14 days, compared to November's 81 mm (3.2 in) over 11 days. Humidity levels also increase slightly in December, averaging 80% versus November's 76%. For more detailed weather insights, check out Byron Bay weather in November.
As December rolls in, Byron Bay transforms into a warm summer haven, boasting average temperatures that are notably higher than the preceding months. With maximums soaring to a sultry 35°C (95°F) and a comfortable average of 24°C (75°F), visitors can expect sun-drenched days ideal for beach outings. However, the month is also characterized by its increased precipitation, with about 14 days experiencing rainfall, leading to a humid climate that averages around 80%. Despite the occasional showers, the allure of Byron Bay’s vibrant summer scene is undeniable. To dive deeper into the year-round climate patterns of this beautiful locale, check out Byron Bay Climate.