December Weather in Wonthaggi, Australia

Last updated: February 26, 2025

In December, Wonthaggi, Australia experiences a dynamic range of temperatures, with maximums reaching up to 37°C (99°F) and averaging around 17°C (63°F), while nighttime lows can dip to 10°C (50°F). This month sees 79 mm (3.1 in) of precipitation spread across approximately 9 days, contributing to a humidity level of 67%. As summer unfolds, visitors can expect a blend of warm, sunny days complemented by occasional rain, making it a vibrant time to explore the coastal beauty of the region.

December Temperature in Wonthaggi

In Wonthaggi, Australia, December ushers in the warmth of summer with temperatures gradually rising throughout the month. With a minimum temperature of 10°C (50°F) and a comfortable average of 17°C (63°F), the climate sets the perfect tone for outdoor activities. However, the maximum temperature can soar to a striking 37°C (99°F), reflecting a distinct shift towards the hottest days of the year. This pattern highlights a notable trend: as the year progresses toward its end, Wonthaggi experiences a significant increase in warmth, making December a vibrant time for both locals and visitors to embrace the sunny, invigorating atmosphere.

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

The chart illustrates December temperature patterns in Wonthaggi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec666565605652515154576063
Data source: Temperature data for Wonthaggi 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 Wonthaggi

December in Wonthaggi, Australia, sees an average precipitation of 79 mm (3.1 in), mirroring April’s rainfall amount. With about 9 days of rain, December marks a slight decrease in precipitation days compared to the wetter months of August and July, which experience the highest rainfall and frequency of rainy days. This pattern indicates that while the year wraps up, the region continues to enjoy a moderate level of rainfall, providing a refreshing transition into the warmer summer months. Notably, December’s precipitation continues to support the lush landscapes typical of this coastal town, ensuring its natural beauty remains vibrant as the year concludes.

December Precipitation Trends in Wonthaggi

The chart displays monthly precipitation patterns in Wonthaggi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec496560791147695122103947879
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Wonthaggi

In Wonthaggi, Australia, December marks a shift in humidity, settling at 67% after a gradual rise over the previous months. The year begins with a relatively low humidity of 64% in January, which steadily increases, peaking at 82% in July. As spring transitions to summer, humidity experiences a slight dip, but remains elevated compared to the beginning of the year. This trend highlights a distinct seasonal pattern, where the air becomes increasingly moist from late autumn to mid-winter, and then begins a gradual decline as the year comes to a close. December’s humidity reflects a comfortable level, setting the stage for the warm summer months ahead.

December Average Humidity in Wonthaggi

This chart illustrates the average monthly humidity levels in Wonthaggi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec64%65%70%75%79%81%82%80%77%71%71%67%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Wonthaggi

In December, Wonthaggi experiences a notable rise in UV intensity, reaching an alarming UV Index of 14—a clear signal for caution as it falls into the extreme exposure category with a burn time of just 10 minutes. This peak aligns with the trend observed over the previous months, where high levels were prevalent during the Australian summer. Following the pattern from the previous months, December continues the tradition of high UV readings, making sun safety paramount for residents and visitors alike. If you're planning outdoor activities, be sure to protect your skin! For detailed information on UV levels throughout the year, visit Wonthaggi UV Index.

Maximum UV Index Levels in Wonthaggi for December

The chart shows the monthly maximum UV Index (UVI) for Wonthaggi 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.
JanFebMarAprMayJunJulAugSepOctNovDec13121174334791114
Data source: Wonthaggi 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 Wonthaggi

In Wonthaggi, Australia, December shines brightly as the sun graces the region with a remarkable 343 hours of sunshine, the highest of the year. This dazzling month marks a joyous peak in daylight, significantly outpacing the preceding months and emphasizing a clear trend: as summer approaches, sunshine hours tend to increase, enriching the vibrant outdoor lifestyle that residents cherish. Following the pattern of increasing daylight from the cooler months, December’s sunny allure invites locals and visitors alike to revel in the warmth and beauty of the Australian summer, creating a perfect backdrop for festive celebrations and nature adventures.

Monthly Sunshine Duration in Wonthaggi: December Highlighted

The December sunshine duration represents the total number of hours Wonthaggi 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.
JanFebMarAprMayJunJulAugSepOctNovDec281h291h285h243h219h197h212h240h263h295h308h343h
Data source: Wonthaggi December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wonthaggi During December

In Wonthaggi, Australia, the likelihood of sunny weather in December stands out with a promising 51% chance of sunshine, reflecting a notable increase as the year draws to a close. This upward trend in December is particularly striking when compared to the preceding months, where the chances of sunny days hover around the low to mid 40s. Notably, December enjoys the highest probability of clear skies since February, suggesting that as the festive season approaches, residents and visitors alike can anticipate a brighter and more enjoyable atmosphere. With this increase, December becomes a prime time for outdoor activities and celebrations in this coastal town.

Percentage of Sunny Days in December in Wonthaggi

The chart illustrates the percentage of sunny days in Wonthaggi 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 Wonthaggi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%42%31%41%39%32%30%40%39%38%34%51%
Data source: Wonthaggi December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wonthaggi in December

In Wonthaggi, Australia, December marks the peak of daylight, offering a generous 14 hours of sunshine each day, consistent with the trend seen in both November and January. As the year transitions from summer to winter, daylight gradually wanes from the summer solstice peak in December, decreasing to just 9 hours in June and July. Post-winter, however, there’s a gradual revival in daylight hours, starting in August with 10 hours and climbing back to 14 hours by November. This cyclical pattern highlights the seasonal variability, allowing residents to enjoy the long, sunlit days at the year's end, while anticipating the gradual return of brightness in the approaching spring months.

Average Daylight Hours in Wonthaggi for December

The chart illustrates the variation in daylight duration in Wonthaggi throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 29m13h 31m12h 17m11h 3m10h 1m9h 30m9h 46m10h 39m11h 50m13h 5m14h 11m14h 46m
Data source: Wonthaggi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Wonthaggi

As December ushers in the warmth of summer in Wonthaggi, the average wind speed dips slightly to 4.7 m/s (10 mph), reflecting the seasonal shift. This gentle breeze contrasts with the more robust gusts of winter months, particularly in July and August, when winds peak at around 5.9 m/s (13 mph). The year’s transition from spring to summer sees a slight decline in wind intensity, with December joining the ranks of a notably calm November. Overall, the winds of December serve as a gentle reminder of the evolving climatic patterns, inviting residents and visitors alike to enjoy the outdoors amidst the softer, sun-kissed air.

Average December Wind Speed in Wonthaggi

The chart displays monthly wind speed patterns in Wonthaggi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.14.65.14.94.94.75.95.75.95.24.94.7 m/s
Data source: Wonthaggi December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Wonthaggi Compares to Other Months

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

In December, the weather is characterized by warmer temperatures with a minimum of 10°C (50°F) and an average of 17°C (63°F), peaking at a maximum of 37°C (99°F). This month also sees higher precipitation levels, averaging 79 mm (3.1 in) across about 9 days, and humidity levels at 67%. In contrast, January brings slightly cooler conditions, with a minimum of 12°C (54°F), an average of 19°C (67°F), and a maximum of 34°C (93°F). Precipitation decreases to 49 mm (1.9 in) over 6 days, alongside a slight drop in humidity to 64%. For more detailed information about January's weather, you can visit Wonthaggi weather in January.

December and February present fairly similar weather patterns, with December experiencing slightly warmer conditions. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 37°C (99°F), averaging around 17°C (63°F). The month sees about 79 mm (3.1 in) of precipitation over 9 days and has a humidity level of 67%. Meanwhile, February features a minimum temperature of 11°C (52°F) and a maximum of 36°C (97°F), with an average of 18°C (65°F). It has a bit less rainfall, totaling 65 mm (2.6 in) over 8 days, and slightly lower humidity at 65%. For more specifics on February weather, you can check out Wonthaggi weather in February.

In December, temperatures can range from a minimum of 10°C (50°F) to a maximum of 37°C (99°F), with an average of 17°C (63°F). This month experiences more rainfall, totaling 79 mm (3.1 in) over approximately 9 days, and the humidity levels hover around 67%. In contrast, March features a milder temperature range with minimums also at 10°C (51°F), but a maximum of 32°C (90°F) and an average of 18°C (65°F). Precipitation decreases to 60 mm (2.3 in) over 8 days, while humidity slightly increases to 70%. For a closer look at March weather specifics, you can visit Wonthaggi weather in March.

In comparing the weather between December and April, we see notable differences in temperature and humidity levels. December experiences a warmer range of temperatures, with a minimum of 10°C (50°F) and a maximum soaring up to 37°C (99°F), while April has a slightly cooler minimum of 9°C (49°F) and a comfortable maximum of 27°C (80°F). Precipitation remains consistent in both months at 79 mm (3.1 in), but April has a few more rainy days at 11, compared to December’s 9. Additionally, humidity is higher in April at 75%, compared to December’s 67%, contributing to a different overall feel in the atmosphere. For more specific insights on April weather, you can check out Wonthaggi weather in April.

In December, the weather typically showcases warmer temperatures with a minimum of 10°C (50°F) and an average of 17°C (63°F), peaking at a high of 37°C (99°F). The month experiences moderate precipitation, totaling 79 mm (3.1 in) over about 9 days, with a humidity level of 67%. In contrast, May presents cooler conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 22°C (71°F), and an average of 13°C (56°F). Rainfall increases in May to 114 mm (4.5 in) spread across 14 days, accompanied by a higher humidity of 79%. For those interested in a detailed comparison, check out Wonthaggi weather in May.

In December, temperatures range significantly, with minimums around 10°C (50°F) and maximums soaring to 37°C (99°F), resulting in a warm average of 17°C (63°F). This month experiences a total precipitation of 79 mm (3.1 in) over about 9 days, coupled with a moderate humidity level of 67%. In contrast, June presents a much cooler climate, where temperatures rarely exceed 17°C (63°F) and drop to a minimum of 4°C (39°F), leading to a lower average of 11°C (52°F). The precipitation in June is slightly less at 75 mm (3.0 in), but occurs over more days (13 days), contributing to a higher humidity of 81%. For a more detailed look at June weather specifics, check out Wonthaggi weather in June.

December weather is notably warmer compared to July, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 37°C (99°F) and an average temperature of 17°C (63°F). In contrast, July experiences much cooler temperatures, with a minimum of 4°C (40°F), an average of 11°C (51°F), and a maximum of only 16°C (62°F). Additionally, December sees lower precipitation levels, totaling 79 mm (3.1 in) over approximately 9 days, while July has higher precipitation at 95 mm (3.7 in), spread over 17 days. Humidity also differs, with December at 67% and July being more humid at 82%. For a detailed view of July's weather patterns, visit Wonthaggi weather in July.

December and August display contrasting weather patterns. December brings warmer temperatures, with lows around 10°C (50°F) and highs soaring up to 37°C (99°F), averaging at 17°C (63°F). In contrast, August experiences cooler conditions, with minimum temperatures of 5°C (42°F) and maximums reaching only 19°C (66°F), averaging at 11°C (52°F). Precipitation is also more pronounced in August, totaling 122 mm (4.8 in) over 18 days compared to December’s 79 mm (3.1 in) over 9 days. Moreover, August tends to be more humid, averaging 80% relative humidity compared to December's 67%. For a detailed look at weather specifics, visit Wonthaggi weather in August.

In comparing the weather of December and September, December boasts a significantly warmer climate, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 37°C (99°F), compared to September's cooler temperatures that peak at 23°C (74°F). However, December also experiences lower precipitation, with 79 mm (3.1 in) over 9 days, while September sees a higher rainfall total of 103 mm (4.1 in) across 15 days. Humidity levels are also slightly elevated in September, averaging 77%, compared to December's 67%. For more detailed information about September's weather, visit Wonthaggi weather in September.

In comparing the weather conditions of December and October, December tends to be warmer and drier overall. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 37°C (99°F), with an average of 17°C (63°F), while October features cooler temperatures, with a minimum of 7°C (46°F) and a maximum of 26°C (80°F), averaging around 14°C (57°F). December experiences about 79 mm (3.1 in) of precipitation over 9 days, which is slightly less than October's 94 mm (3.7 in) over 15 days. Additionally, December's humidity averages around 67%, compared to October's 71%. For more details on October weather, you can explore Wonthaggi weather in October.

December in Wonthaggi brings slightly warmer temperatures compared to November, with minimums around 10°C (50°F) and maximums reaching up to 37°C (99°F), while November experiences a more moderate range of 8°C (47°F) to 31°C (88°F). The average temperature in December is 17°C (63°F), just a bit higher than November’s average of 16°C (60°F). Precipitation levels are quite similar, with December recording 79 mm (3.1 in) over approximately 9 days, compared to November’s 77 mm (3.0 in) over 11 days. Humidity remains relatively high in both months, though December is slightly less humid at 67% compared to November's 71%. For more details on November’s weather, visit Wonthaggi weather in November.

Compare Wonthaggi's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Wonthaggi

December in Wonthaggi brings a vibrant shift in weather as the region transitions into summer. With maximum temperatures reaching up to 37°C (99°F), the month stands out from the cooler months, offering sunny days perfect for beach outings and outdoor activities. The average temperature of 17°C (63°F) creates a pleasantly warm atmosphere, making it an ideal time for locals and visitors alike to enjoy the coastal charm. While brief rain showers may occur on about 9 days, they contribute to the overall humidity of 67%, enriching the lush landscapes that surround the area. For a deeper insight into how Wonthaggi's climate varies throughout the year, check out Wonthaggi Climate.