Last updated: February 25, 2025
December in Mona Vale, Australia brings a vibrant blend of summer warmth and refreshing ocean breezes. With maximum temperatures reaching up to 30°C (87°F) and an inviting average of 21°C (70°F), it's the perfect time to soak up the sun. However, nature balances the sun's intensity with a total precipitation of 78 mm (3.1 in) spread over 11 days, contributing to the lush landscapes. Humidity levels sit comfortably at 68%, providing a pleasant atmosphere for both locals and visitors to enjoy the scenic beauty of this coastal gem. Whether you're heading to the beach or exploring the local attractions, December offers the ideal climate for outdoor adventures.
In December, Mona Vale, Australia enjoys a delightful start to summer, with temperatures showcasing a warm range that's perfect for beach outings and outdoor adventures. The month features a minimum temperature of 15°C (60°F), an average comfortable 21°C (70°F), and a maximum reaching up to 30°C (87°F). This warm trend follows November's peaks and sets the stage for January's even hotter days. With consistently rising temperatures, December presents an inviting atmosphere filled with sunshine and warmth, making it an ideal time for both locals and visitors to embrace the vibrant coastal lifestyle. The gradual increase in warmth hints at the approach of the peak summer months, promising plenty of opportunities to soak up the sun and enjoy the natural beauty of the region.
In December, Mona Vale experiences a notable shift in precipitation patterns, receiving an average of 78 mm (3.1 in) of rain over 11 days. This marks a moderate decrease compared to the heavier rains of earlier months, such as February and March, which see higher totals of 125 mm (4.9 in) and 185 mm (7.3 in), respectively. As the year winds down, December's rainfall presents a blend of wet and dry days, contributing to a lush and vibrant landscape while still allowing for ample sunshine and outdoor activities. This transitional month exemplifies the region's characteristic variability, positioning it as a bridge between the wetter spring and the dry summer months ahead.
As the year draws to a close in Mona Vale, Australia, December experiences a moderate humidity level of 68%. This month marks a subtle transition from the higher humidity seen in the earlier months, peaking in March at 72%. Throughout the year, humidity has displayed a gradual decline, beginning with a warmer 65% in January and hitting a low of 55% in October. The trend shows a gentle increase again in November and December, suggesting a return to more humid conditions as summer approaches. The fluctuating patterns reflect the region's distinct seasons, where December's ambiance balances comfort with a hint of warmth, inviting residents and visitors alike to enjoy its coastal charm.
In Mona Vale, Australia, December ushers in the summer with a UV Index of 14, marking it as one of the most intense months for sun exposure. This trend of heightened UV levels is consistent, as the region sees extreme categories from January through November, with a notable spike in February as well. Interestingly, the UV Index experiences a gradual decline starting in March, moving through the autumn and winter months with values dropping to a moderate range by June. However, just as summer returns, December again sees those extreme levels, indicating that sun safety measures are crucial during this period. With a burn time of just 10 minutes, it’s essential to be vigilant. For more details on UV exposure in this coastal paradise, check out the Mona Vale UV Index.
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In Mona Vale, Australia, December shines the brightest with an impressive 319 hours of sunshine, marking the peak of the year for sun-loving locals and visitors alike. This month not only outshines others but also reflects a consistent upward trend in sunlight hours as we transition from the cooler months. From January to April, daylight hours hover around the 250 to 270 hour mark, gradually rising as the year progresses. As we move towards the end of the year, November sees a significant leap to 305 hours, paving the way for December's vibrant culmination. The upward trend in sunshine reaches its zenith, inviting beachgoers and outdoor enthusiasts to revel in the sun-kissed beauty of this coastal paradise.
In Mona Vale, Australia, the likelihood of sunny weather in December stands at 42%, reflecting a slight dip compared to previous months. Notably, while the sun shines most prominently in the transitional months of April and August with peaks of 68%, December experiences a drop similar to the less favorable November, which sees only 25% sunshine. Trends indicate that as summer approaches, the chances for clearer skies begin to rise again in January and February, suggesting that while December may not be the sunniest month, it's a prelude to sunnier days ahead.
In Mona Vale, Australia, the daylight duration exhibits a rhythmic pattern throughout the year, with December marking a highlight at 14 hours of sunlight. Following the peak brightness in January, daylight gradually decreases until reaching its nadir in June, where it dips to just 9 hours. This trend of waning light then begins to reverse, as the days gradually lengthen from winter back into summer. Notably, the transition back towards longer days is evident in the smooth increase from 10 hours in July and August to the significant 13 hours in November. By the time December rolls around, the vibrant return of long days signifies the enjoyment of long, sunlit summer afternoons in this coastal paradise.
As December arrives in Mona Vale, Australia, the coastal breezes continue to make their presence felt with an average wind speed of 5.1 m/s (11 mph). This month marks a slight dip from the blustery conditions of November, which boasted an average of 5.5 m/s (12 mph). Overall, December's winds reflect a trend typical for the season, as the earlier months from January to March show a gradual increase, peaking in March at 5.7 m/s (13 mph). Following this peak, a gentle decline occurs through April and into the early summer months. Yet, despite this ebb and flow, December maintains a refreshing breeze that enlivens the beachside atmosphere, making it perfect for outdoor activities and festive gatherings.
The weather in Mona Vale 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 Mona Vale and find detailed weather information for every month.
In December, temperatures range from a minimum of 15°C (60°F) to a maximum of 30°C (87°F), with an average temperature of 21°C (70°F). The month experiences a total precipitation of 78 mm (3.1 in) over 11 days, coupled with a humidity level of 68%. In contrast, January sees slightly warmer conditions with a minimum temperature of 16°C (62°F) and a maximum temperature reaching 34°C (93°F), averaging 23°C (74°F). Precipitation decreases to 42 mm (1.7 in) over 9 days, while humidity slightly lowers to 65%. For more detailed insights, you can check out Mona Vale weather in January.
December and February both showcase warm temperatures, but February tends to be slightly hotter overall. In December, the average temperature is around 21°C (70°F), with a maximum of 30°C (87°F), while February sees an increase, averaging 23°C (73°F) and peaking at 35°C (95°F). Additionally, February experiences more precipitation than December, with 125 mm (4.9 in) over 13 days compared to December's 78 mm (3.1 in) over 11 days. Humidity remains relatively stable between the two months, with December at 68% and February just slightly higher at 69%. For a closer look at February weather, check out Mona Vale weather in February.
In December, the weather is generally warm, with minimum temperatures around 15°C (60°F) and an average of 21°C (70°F), peaking at a maximum of 30°C (87°F). The month sees a moderate amount of rainfall, totaling 78 mm (3.1 in) over about 11 days, accompanied by a humidity level of 68%. In contrast, March experiences slightly increased temperatures, with a minimum of 15°C (59°F) and an average of 22°C (71°F), but can reach higher maximums of 33°C (92°F). However, precipitation significantly rises to 185 mm (7.3 in) over approximately 18 days, and humidity levels are slightly higher at 72%. For more details on the weather during this time, you can refer to Mona Vale weather in March.
In December, temperatures typically range from a minimum of 15°C (60°F) to a pleasant average of 21°C (70°F), peaking at 30°C (87°F) on warmer days. With 78 mm (3.1 in) of precipitation spread over 11 days, the month experiences a moderate level of humidity at 68%. In contrast, April sees slightly cooler temperatures, ranging from a minimum of 12°C (54°F) to an average of 19°C (67°F), with a maximum that closely mirrors December at 30°C (86°F). Precipitation is significantly lower at 40 mm (1.6 in) over 9 days, accompanied by a higher humidity of 75%. For more detailed information, you can check out Mona Vale weather in April.
December generally experiences warmer temperatures compared to May, with averages reaching 21°C (70°F) and maximums of 30°C (87°F), while May sees cooler temperatures, averaging 17°C (62°F) and peaking at 24°C (76°F). Precipitation in December is slightly higher at 78 mm (3.1 in) over 11 days, compared to May's 63 mm (2.5 in) over 9 days. Additionally, December's humidity is somewhat lower at 68%, while May has a higher humidity level of 74%. For more specific information about May weather patterns, you can refer to Mona Vale weather in May.
When comparing the weather in December and June, notable differences emerge in both temperature and precipitation. December generally enjoys much warmer temperatures, with a minimum of 15°C (60°F) and an average of 21°C (70°F), peaking at 30°C (87°F). In contrast, June is considerably cooler, with temperatures ranging from a minimum of 8°C (47°F) to an average of 14°C (58°F), and a maximum of 22°C (72°F). Additionally, June experiences more rainfall, with a total precipitation of 108 mm (4.3 in) over 15 days, compared to December's 78 mm (3.1 in) over 11 days. Humidity levels are also slightly higher in June at 72%, compared to December's 68%. For more details on June weather, you can check out Mona Vale weather in June.
When comparing the weather in December and July, December tends to be significantly warmer with minimum temperatures averaging 15°C (60°F) and a maximum of 30°C (87°F). In contrast, July experiences cooler conditions, with a minimum of 6°C (44°F) and a maximum of 23°C (74°F). Additionally, December averages higher precipitation levels at 78 mm (3.1 in) over 11 days compared to July's 54 mm (2.1 in) over just 6 days. Interestingly, both months maintain the same humidity level of 68%. For more detailed insights on July weather conditions, you can refer to Mona Vale weather in July.
The weather in December is significantly warmer compared to August, with average temperatures reaching 21°C (70°F) and maximums of up to 30°C (87°F), whereas August experiences a much cooler average of 14°C (58°F) and a maximum of 22°C (72°F). While December sees a higher overall precipitation of 78 mm (3.1 in) over 11 days, August is relatively drier with 53 mm (2.1 in) of rain across just 6 days. Both months have comparable humidity levels, with December at 68% and August slightly lower at 67%. For more detailed information on the specifics of the August weather, you can visit Mona Vale weather in August.
December and September exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 15°C (60°F) to a maximum of 30°C (87°F), with an average temperature of 21°C (70°F). The month sees more precipitation, totaling 78 mm (3.1 in) over approximately 11 days, and experiences higher humidity at 68%. In contrast, September has cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 28°C (83°F), averaging 16°C (61°F). Precipitation in September is lower, at 49 mm (1.9 in) over 8 days, with humidity slightly less at 63%. For more detailed information on September weather, visit Mona Vale weather in September.
When comparing the weather in December and October, December tends to be warmer overall, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 30°C (87°F). In contrast, October’s temperatures are slightly cooler, averaging between 12°C (54°F) and 29°C (84°F). Both months experience significant rainfall, but October has a higher precipitation level at 85 mm (3.4 in) over 12 days, compared to December’s 78 mm (3.1 in) over 11 days. Additionally, December is more humid, with humidity levels around 68%, while October enjoys a drier atmosphere at 55%. For those looking for more details, check out Mona Vale weather in October.
December typically features warmer temperatures compared to November, with average daytime highs reaching up to 30°C (87°F) in December, while November's maximum can reach 34°C (94°F). Despite this, December experiences a slightly lower average temperature and a higher humidity level at 68%, compared to November's 57%. Additionally, December records a total precipitation of 78 mm (3.1 in) over 11 days, while November sees a bit more rain with 85 mm (3.3 in) over just 10 days. For more detailed climate information, check out Mona Vale weather in November.
December in Mona Vale marks a vibrant shift in the weather, bringing warmer temperatures and increased humidity compared to the preceding months. With daily highs reaching a pleasant 30°C (87°F) and an average of 21°C (70°F), the month welcomes beachgoers and outdoor enthusiasts alike. However, this summer charm does come with a tendency for rainfall, showcasing about 78 mm (3.1 in) over 11 days, hinting at the playful nature of the season. The blend of warmth and occasional showers creates an inviting atmosphere perfect for both relaxation and adventure. For a deeper insight into seasonal variations, explore the detailed trends at Mona Vale Climate.