December Weather in Healesville, Australia

Last updated: February 26, 2025

In December, Healesville, Australia experiences a dynamic blend of warmth and variability. With maximum temperatures soaring to 40°C (104°F), the weather invites outdoor activities, while the average temperature rests comfortably at 17°C (62°F). Nighttime can bring a refreshing chill, dipping to a minimum of 4°C (39°F). Precipitation is notable, with 99 mm (3.9 in) falling over approximately 10 days, adding a lush vibrancy to the landscape. Humidity levels hover around 51%, creating a pleasant atmosphere that balances warmth and moisture, perfect for enjoying the beautiful Australian summer.

December Temperature in Healesville

In December, Healesville, Australia, welcomes the summer with a delightful range of temperatures, where the minimum dips to a comfortable 4°C (39°F), ensuring pleasant evenings. As the days warm up, the average temperature settles around 17°C (62°F), creating an inviting atmosphere for outdoor activities. However, temperatures can soar, with a maximum reach of 40°C (104°F), bringing the heat of the peak season. This month marks a transition from the cooler spring months, showing a distinct trend where temperatures rise significantly, inviting locals and visitors alike to enjoy the vibrant beauty of summer in this charming region.

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

The chart illustrates December temperature patterns in Healesville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec676462565046464650545962
Data source: Temperature data for Healesville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Healesville

In Healesville, Australia, December marks a significant transition in rainfall patterns, with an average precipitation of 99 mm (3.9 in) over approximately 10 days. This month typically experiences a slight uptick in moisture compared to the preceding months, capturing the essence of the summer season. Notably, December's totals align closely with November's figures, showcasing a trend where late spring's rainfall paves the way for the upcoming summer months. The relatively consistent precipitation levels, particularly in the second half of the year, suggest a climate that fosters lush greenery and vibrant wildlife, making Healesville a picturesque haven during this time.

December Precipitation Trends in Healesville

The chart displays monthly precipitation patterns in Healesville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6770698010481931211101219699
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Healesville

December in Healesville, Australia, marks a gentle decline in humidity as the warmer months approach their end, settling at 51%. This figure is a notable drop from the peak of 84% in July, showcasing the cyclical nature of the climate throughout the year. The humidity steadily rises from 45% in January to its high in June and July, before gradually decreasing as autumn gives way to the summer months. December’s humidity reflects a transition towards drier conditions, moving away from the late autumn levels of around 58% in November. Overall, the pattern reveals Healesville's dynamic climate, where humidity ebbs and flows, creating a unique atmosphere throughout the seasons.

December Average Humidity in Healesville

This chart illustrates the average monthly humidity levels in Healesville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec45%52%61%72%79%82%84%80%73%60%58%51%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Healesville

As December rolls into Healesville, Australia, residents and visitors can expect a dramatic spike in UV intensity, matching the year's highest levels with a UV Index of 14. This categorizes exposure as extreme, necessitating caution with a rapid burn time of just 10 minutes. Following a year marked by fluctuating UV Index values—from a moderate 4 in May to another extreme peak in November—this month underscores the importance of sun protection measures. The trend reveals that just like the scorching summer months of January and February, December requires vigilant sun safety practices to prevent skin damage. With the summer sun shining brightly, staying informed about the UV Index is essential for enjoying the outdoors responsibly. For more details, visit Healesville UV Index.

Maximum UV Index Levels in Healesville for December

The chart shows the monthly maximum UV Index (UVI) for Healesville 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.
JanFebMarAprMayJunJulAugSepOctNovDec14121174335791214
Data source: Healesville 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 Healesville

In December, Healesville basks in an impressive 340 hours of sunshine, marking the peak of its radiant summer season. This vibrant month showcases a significant departure from the more subdued light of the winter months, with June and May reporting only 191 and 211 hours respectively. As the year progresses, sunshine hours steadily increase, with a notable surge in both November and December, where the warmth of the Australian summer truly shines through. After experiencing a dip in April with just 241 hours, the trend reverses dramatically, culminating in the glorious sun-soaked days that make December a favorite for locals and visitors alike.

Monthly Sunshine Duration in Healesville: December Highlighted

The December sunshine duration represents the total number of hours Healesville 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.
JanFebMarAprMayJunJulAugSepOctNovDec281h294h289h241h211h191h202h225h257h284h294h340h
Data source: Healesville December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Healesville During December

In Healesville, Australia, December stands out with a promising 53% chance of sunny weather, making it the sunniest month of the year. This positive trend in sunshine emerges against a backdrop of fluctuating percentages throughout the preceding months. For instance, while January sees a respectable 38% chance, the likelihood gradually dips to lower figures between June and July, where it plummets to just 25%. As spring transitions to summer, Healesville experiences a significant uplift, especially in December, where the chances of enjoying sunny days rise significantly compared to the earlier months. This makes December not only a peak time for sunshine but also an ideal gateway to summer adventures in this charming region.

Percentage of Sunny Days in December in Healesville

The chart illustrates the percentage of sunny days in Healesville 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 Healesville experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%45%32%39%41%29%25%34%37%32%36%53%
Data source: Healesville December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Healesville in December

In Healesville, Australia, the rhythm of daylight duration unfolds beautifully throughout the year, peaking in the summer months. December, much like January and November, enjoys a generous 14 hours of daylight, inviting long, sun-filled days perfect for outdoor activities. As the seasons transition into autumn, daylight gradually wanes, dipping to 12 hours in March and reaching its minimum of just 9 hours in June and July. This cyclical journey then paves the way for spring, as daylight begins to increase once more, marking the return of longer days in August and culminating back at 14 hours in late spring and early summer. The trend illustrates a clear pattern of vibrant, sun-drenched days that gradually ebb toward shorter daylight hours, reflecting the natural progression of the seasons.

Average Daylight Hours in Healesville for December

The chart illustrates the variation in daylight duration in Healesville throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 25m13h 28m12h 17m11h 5m10h 5m9h 35m9h 50m10h 42m11h 50m13h 3m14h 8m14h 42m
Data source: Healesville daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Healesville

In Healesville during the month of December, the average wind speed settles at 2.8 m/s (6 mph), aligning closely with the milder winds of late spring and early summer. As the year winds down, December's breezes show a slight increase compared to the preceding months, suggesting a gentle transition into the warmer season. This consistency in wind speed, especially in comparison to the uptick seen in the blustery months of July and September, reflects Healesville's characteristic calm that the locals and visitors alike have come to cherish. With December’s conditions combining slightly brisk winds and warm weather, it creates a refreshing atmosphere perfect for outdoor adventures in this charming region of Australia.

Average December Wind Speed in Healesville

The chart displays monthly wind speed patterns in Healesville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.72.42.52.82.93.73.43.42.92.92.8 m/s
Data source: Healesville December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Healesville Compares to Other Months

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

December and January in Healesville exhibit warmer temperatures, with January slightly edging out December in terms of averages. December sees minimums around 4°C (39°F) and an average of 17°C (62°F), while January's temperatures range from a minimum of 5°C (41°F) and an average of 19°C (67°F). Both months experience high maximum temperatures, with January reaching up to 41°C (105°F) compared to December's 40°C (104°F). Precipitation is higher in December, with 99 mm (3.9 in) over 10 days, compared to January's 67 mm (2.6 in) over just 7 days. Humidity levels are also slightly lower in January at 45%, compared to December's 51%. For more details, check out Healesville weather in January.

In December, the weather can be quite warm, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 40°C (104°F), averaging around 17°C (62°F). The month also experiences significant precipitation, with an average of 99 mm (3.9 in) over about 10 days, while humidity sits at 51%. In contrast, February sees slightly higher minimum and average temperatures, with lows of 6°C (43°F) and an average of 18°C (64°F). The maximum temperature also peaks at 41°C (105°F). February tends to be a bit drier, receiving only 70 mm (2.8 in) of precipitation across 9 days, with humidity marginally higher at 52%. For a closer look at weather specifics in February, you can visit Healesville weather in February.

In December, the weather showcases a broader range of temperatures, with a minimum of 4°C (39°F) and a maximum reaching up to 40°C (104°F), while the average temperature sits at 17°C (62°F). This month experiences relatively high precipitation, totaling 99 mm (3.9 in) over about 10 days, with humidity around 51%. In contrast, March offers slightly milder conditions with a minimum temperature of 5°C (41°F) and a maximum of 36°C (96°F), maintaining the same average of 17°C (62°F). Precipitation in March is less, at 69 mm (2.7 in) over 9 days, accompanied by slightly higher humidity at 61%. For more details, you can explore Healesville weather in March.

December and April exhibit distinct weather characteristics that highlight the transition of seasons. In December, temperatures soar, with a minimum of 4°C and a maximum reaching up to 40°C, resulting in an average temperature of 17°C. The month sees 99 mm of precipitation over approximately ten days, complemented by a relatively lower humidity of 51%. In contrast, April features cooler temperatures, with a minimum of 2°C and a maximum of 29°C, averaging at 13°C. The monthly precipitation is slightly less at 80 mm, falling over nine days, but humidity is higher at 72%, giving the air a more damp feel. For more detailed information on April weather, you can refer to Healesville weather in April.

December and May in Healesville exhibit distinctly different weather patterns. In December, temperatures can soar with a minimum of 4°C and a maximum reaching up to 40°C, reflecting a wider range of variability. The average temperature is around 17°C, accompanied by relatively low humidity at 51%. Precipitation occurs on about 10 days, totaling 99 mm, making it quite a dry month despite some rainfall.

In contrast, May brings cooler conditions with temperatures ranging from a minimum of -2°C to a maximum of 23°C, resulting in an average of 10°C. This month experiences higher humidity at 79%, and precipitation is slightly more frequent, with rainfall on approximately 13 days and a total of 104 mm. For a more detailed look at weather specifics, you can explore Healesville weather in May.

In December, the weather presents a striking contrast to June, with temperatures ranging from a low of 4°C (39°F) to a scorching high of 40°C (104°F). The month enjoys an average temperature of 17°C (62°F) and receives about 99 mm (3.9 in) of precipitation over 10 days, coupled with a relatively moderate humidity of 51%. On the other hand, June experiences much cooler temperatures, with a minimum of -1°C (30°F), an average of 8°C (46°F), and a maximum of 17°C (63°F). It sees slightly less rainfall at 81 mm (3.2 in) but has a higher number of rainy days at 12, and the humidity is notably higher at 82%. For those interested in more details about June weather specifically, they can visit Healesville weather in June.

In comparing December and July weather, December features a broader range of temperatures with a minimum of 4°C (39°F), an average of 17°C (62°F), and a maximum reaching up to 40°C (104°F). This month also experiences relatively low humidity at 51% and sees about 99 mm (3.9 in) of precipitation over approximately 10 days. In contrast, July has cooler temperatures with a minimum of -2°C (29°F), an average of 8°C (46°F), and a maximum of 17°C (62°F). This winter month is characterized by higher humidity at 84% and slightly less precipitation at 93 mm (3.7 in), distributed over 15 days. For more detailed insights on July weather in Healesville, you can refer to Healesville weather in July.

December and August showcase stark contrasts in weather patterns. In December, temperatures range from a mild minimum of 4°C (39°F) to a scorching maximum of 40°C (104°F), accompanied by an average of 17°C (62°F). This month experiences relatively low humidity at 51%, with 99 mm of precipitation spread over 10 days. In contrast, August presents a much cooler climate, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 19°C (67°F) and an average of 8°C (47°F). The humidity rises significantly to 80%, and rainfall increases to 121 mm over 17 days. For more details about August weather, visit Healesville weather in August.

In comparing the weather of December and September, we observe a stark difference in temperatures and precipitation patterns. December experiences a wider temperature range, with minimums as low as 4°C (39°F) and highs soaring up to 40°C (104°F), resulting in an average temperature of 17°C (62°F). In contrast, September sees cooler conditions, with a minimum temperature of -1°C (30°F) and an average of 10°C (50°F), while maxing out at 27°C (80°F). Precipitation is slightly higher in September, totaling 110 mm (4.3 in) over 15 days, compared to December’s 99 mm (3.9 in) over just 10 days. Additionally, September's humidity levels are notably higher at 73%, versus December's relative humidity of 51%. For more detailed insights on September weather in Healesville, you can visit Healesville weather in September.

In comparing the weather between December and October, we see notable differences in temperature and precipitation. December features a broader range of temperatures, with a minimum of 4°C (39°F), an average of 17°C (62°F), and a maximum of 40°C (104°F), while October experiences cooler temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 31°C (87°F). Precipitation is also higher in October, with 121 mm (4.7 in) over 14 days compared to December's 99 mm (3.9 in) over 10 days, indicating that October tends to be wetter despite its overall milder temperatures. Humidity levels are slightly higher in October at 60%, compared to December's 51%. For a more detailed look at the October weather, you can visit Healesville weather in October.

In December, the weather shows a slight increase in temperature compared to November, with minimum temperatures rising to 4°C (39°F) and average temperatures reaching 17°C (62°F), peaking at a maximum of 40°C (104°F). Meanwhile, November has a minimum temperature of 2°C (37°F) and an average of 15°C (59°F), with a maximum of 36°C (97°F). Both months experience similar levels of precipitation, with December receiving 99 mm (3.9 in) over 10 rainy days, while November has slightly less at 96 mm (3.8 in) over 13 days. Additionally, humidity is higher in November at 58% compared to 51% in December. For more detailed insights about November weather, visit Healesville weather in November.

Compare Healesville's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Healesville

As December rolls in, Healesville experiences a notable shift in weather, embracing the warmth of summer with the highest temperatures of the year, peaking at a sizzling 40°C (104°F). This contrasts sharply with the cooler months, where temperatures linger much lower. While the average temperature hovers around a comfortable 17°C (62°F), nighttime can bring a refreshing coolness, dipping to 4°C (39°F) on occasion. December also sees an increase in rainfall, with about 99 mm (3.9 in) spread over 10 days, making it one of the wetter months compared to drier times of the year. With an average humidity of 51%, the air feels pleasantly warm, contributing to the vibrant summer atmosphere. To discover more about the broader climate patterns in this scenic region, check out Healesville Climate.