December Weather in Yass, Australia

Last updated: February 26, 2025

December in Yass, Australia, presents a diverse weather experience characterized by significant temperature fluctuations. The mercury soars to a maximum of 39°C (103°F), while settling at a comfortable average of 20°C (68°F), and can dip as low as 4°C (39°F) at night. The month also witnesses 75 mm (2.9 in) of rainfall over approximately 7 days, contributing to a humidity level of 61%. This combination of warmth and moisture creates a unique atmosphere, making December a dynamic time in Yass for both locals and visitors alike, whether they are seeking the sun or the refreshing breezes.

December Temperature in Yass

In December, Yass, Australia experiences a warm transition into summer, with temperatures ranging from a minimum of 4°C (39°F) to a high of 39°C (103°F). The average temperature hovers around a pleasant 20°C (68°F), making it an ideal time for outdoor activities and enjoying the vibrant local scenery. As the year wraps up, warmth becomes increasingly dominant, indicating a clear trend of rising temperatures that builds from the cooler months of spring. With the maximum temperature reaching near 40°C, December marks a peak in warmth, distinguishing itself from the preceding months and inviting locals and visitors alike to bask in the Australian summer sun.

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

The chart illustrates December temperature patterns in Yass, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec726864574944434450576268
Data source: Temperature data for Yass 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 Yass

December in Yass, Australia, typically ushers in a moderate wave of precipitation, with an average rainfall of 75 mm (2.9 in) over seven days. This marks a slight decline from November's 96 mm (3.8 in) but is still part of a broader seasonal trend where the summer months see increased rainfall. Notably, while December's rainfall remains substantial, it continues the pattern seen throughout the latter half of the year, characterized by relatively higher precipitation, especially in August (77 mm) and October (66 mm). The transition from spring to summer in Yass showcases a climatic rhythm, where the lush landscapes thrive on this delightful downpour, making December a vital month for replenishing the region's natural beauty.

December Precipitation Trends in Yass

The chart displays monthly precipitation patterns in Yass, 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.
JanFebMarAprMayJunJulAugSepOctNovDec405379275148507753669675
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Yass

In Yass, Australia, December brings a notable increase in humidity levels, with an average of 61%, setting the stage for a warm and somewhat sticky end to the year. As we trace the trend from January through December, the humidity generally rises, peaking in the middle of the year with 80% in July. The months leading up to December show a steady climb from 58% in January to a humid 78% in May, before slightly declining in the latter months. This gradual increase signifies the seasonal transition and prepares the region for a languid summer ahead, making December a time when moisture in the air begins to feel more palpable.

December Average Humidity in Yass

This chart illustrates the average monthly humidity levels in Yass, 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.
JanFebMarAprMayJunJulAugSepOctNovDec58%65%68%74%78%80%81%77%70%58%57%61%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yass

In Yass, Australia, the UV Index peaks during the summer months, with December showcasing a striking UV Index of 15, categorized as extreme. This trend continues from the previous month, November, which also had an extreme rating of 13. The increasing levels in these late spring and early summer months signal a significant risk for skin damage, with a burn time of just 10 minutes under direct sun exposure. As the year progresses into the cooler months, the UV Index dips, reaching a moderate level of 5 in May, before gradually rising again in the spring. Notably, the most critical months for sun safety in Yass remain December and January, when the UV Index is at its highest. For more detailed information on sun safety, visit Yass UV Index.

Maximum UV Index Levels in Yass for December

The chart shows the monthly maximum UV Index (UVI) for Yass 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.
JanFebMarAprMayJunJulAugSepOctNovDec151312853458101315
Data source: Yass 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 Yass

In December, Yass, Australia, basks in the glow of 358 hours of sunshine, marking the peak of summer with an abundance of warmth and light. This surge in sunshine hours not only reflects the transition from the cooler months but also highlights an impressive upward trend throughout the year, with December boasting the highest hours when compared to just 203 hours in June. The gradual increase from winter to summer, especially noticeable from October’s 305 hours to December, showcases the delightful embrace of sunny days that embellish the landscape and uplift the spirits of the community. As the year closes, Yass truly radiates optimism and vitality, inviting all to enjoy its sun-drenched beauty.

Monthly Sunshine Duration in Yass: December Highlighted

The December sunshine duration represents the total number of hours Yass 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.
JanFebMarAprMayJunJulAugSepOctNovDec287h304h294h268h239h203h218h240h272h305h308h358h
Data source: Yass December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yass During December

In Yass, Australia, the likelihood of sunny weather in December stands at a promising 53%. This figure aligns closely with the September sun chances, suggesting a seasonal trend where December enjoys a refreshing respite from the lower probabilities of sun seen in the winter months of June and July, which plunge to just 24% and 26%, respectively. As the year progresses into the warmer months, the sunshine likelihood tends to rise, peaking in April at 67%. Following this trend, December heralds the onset of summer, bringing a delightful balance of sunny days that is well-appreciated after the cloudy spells preceding it. Thus, residents and visitors alike can look forward to enjoying the warmth of the sun during this festive month.

Percentage of Sunny Days in December in Yass

The chart illustrates the percentage of sunny days in Yass 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 Yass experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%49%45%67%49%24%27%39%53%46%26%53%
Data source: Yass December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yass in December

In Yass, Australia, the rhythm of daylight shifts dramatically throughout the year, showcasing the seasonal variations that define this charming town. December stands out with its generous 14 hours of daylight, mirroring the sunny brilliance of January. As summer approaches, the daylight peaks, creating long, sunlit days that are perfect for outdoor activities and exploration. Gradually, this abundance of sunlight tapers off in the following months, with February and March offering 13 and 12 hours respectively, before reaching the shorter days of winter in June, where daylight drops to just 9 hours. As the year progresses, daylight begins to inch back, gradually increasing from 10 hours in July and August to the more balanced 11 hours in September. The cyclical nature of daylight in Yass not only enhances the region's natural beauty but also highlights the seasonal changes that shape the lives of its residents.

Average Daylight Hours in Yass for December

The chart illustrates the variation in daylight duration in Yass throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 10m13h 20m12h 16m11h 10m10h 17m9h 50m10h 3m10h 50m11h 52m12h 57m13h 55m14h 26m
Data source: Yass daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Yass

As December settles over Yass, Australia, the wind begins to take on a gentle, almost serene quality, averaging 3.2 m/s (7 mph). This month marks a shift, with wind speeds dipping slightly from the more invigorating breezes of late spring. In the preceding months, wind gusts consistently hovered around 3.6 to 3.9 m/s, offering a refreshing contrast to the heat of summer. Notably, December's softer winds seem to reflect the season's transition, paving the way for a quieter atmosphere as nature prepares for the warmth of the holiday season. This subtle decrease in wind speed aligns with the overall trend seen throughout the year, where early summer months often feature breezier conditions, while late spring and early summer bring a serene calm.

Average December Wind Speed in Yass

The chart displays monthly wind speed patterns in Yass, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.64.02.83.03.33.83.53.73.63.93.2 m/s
Data source: Yass December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Yass Compares to Other Months

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

In December, the weather typically ranges from a minimum of 4°C (39°F) to a maximum of 39°C (103°F), with an average temperature of 20°C (68°F). The month experiences about 75 mm (2.9 in) of precipitation over 7 days, contributing to a moderately humid environment with humidity at 61%.

In contrast, January sees slightly warmer conditions, with a minimum temperature of 7°C (45°F) and a maximum of 41°C (105°F), leading to an average temperature of 22°C (73°F). Precipitation decreases to 40 mm (1.6 in) over just 6 days, and the humidity drops slightly to 58%. For more detailed insights, you can visit Yass weather in January.

December and February exhibit some similarities in temperature, with average highs around 20°C (68°F) and 21°C (69°F), respectively. However, February tends to be slightly warmer with a maximum temperature reaching up to 41°C (106°F) compared to December's peak of 39°C (103°F). In terms of precipitation, December experiences slightly more rainfall at 75 mm (2.9 in) across 7 days, whereas February sees 53 mm (2.1 in) over just 6 days. Humidity levels also rise a bit in February, reaching 65% compared to 61% in December. For more details on the weather in February, check out Yass weather in February.

In December, temperatures can reach a maximum of 39°C (103°F), with an average temperature of 20°C (68°F) and a minimum of 4°C (39°F). The month experiences about 75 mm (2.9 in) of precipitation over approximately 7 days, with humidity averaging 61%. In contrast, March sees slightly milder weather, with a high of 33°C (92°F), an average of 18°C (65°F), and a low of 2°C (37°F). Precipitation is a bit higher at 79 mm (3.1 in), also spread over 7 days, contributing to increased humidity at 68%. For a closer look at weather conditions during March, you can explore Yass weather in March.

December and April present contrasting weather conditions. In December, temperatures range from a minimum of 4°C (39°F) to a scorching maximum of 39°C (103°F), with an average of 20°C (68°F). The month experiences significant humidity at 61% and receives about 75 mm (2.9 in) of precipitation over seven days. In contrast, April boasts cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 30°C (87°F), averaging 14°C (58°F). The precipitation drops to 27 mm (1.1 in) and occurs over just two days, while humidity increases slightly to 74%. For a deeper dive into April weather specifics in Yass, check out Yass weather in April.

In December, the weather is characterized by much warmer temperatures, with a minimum of 4°C (39°F) and an average reaching up to 20°C (68°F), peaking at a hot 39°C (103°F). The month experiences a total precipitation of 75 mm (2.9 in) spread over about seven days, along with a moderate humidity level of 61%.

In contrast, May brings a cooler climate, with temperatures dipping to a minimum of -4°C (26°F) and averaging around 9°C (49°F), while the maximum temperature reaches a comfortable 24°C (75°F). Rainfall in May is less intense, at 51 mm (2.0 in) over the same number of rainy days, yet it experiences a higher humidity level of 78%. For a more detailed look at May weather in Yass, visit Yass weather in May.

December and June present contrasting weather conditions. In December, temperatures can range from a minimum of 4°C (39°F) to a scorching maximum of 39°C (103°F), with an average comfortable temperature of 20°C (68°F). This month also sees 75 mm (2.9 in) of precipitation over approximately 7 days and a humidity level of 61%. In stark contrast, June experiences much cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 17°C (64°F), averaging only 7°C (44°F). Although it has a slightly lower total precipitation of 48 mm (1.9 in) over the same 7 days, June's humidity is higher at 79%. For more detailed insights, you can check Yass weather in June.

In December, the weather is considerably warmer, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 39°C (103°F), while July experiences much cooler conditions, with temperatures ranging from -7°C (20°F) to a maximum of 18°C (65°F). Additionally, December has more rainfall, receiving about 75 mm (2.9 in) over an average of 7 days, compared to July's 49 mm (1.9 in) over 9 days. Humidity levels also differ, with December at 61% and July notably higher at 80%. For a detailed look at July weather in this region, you can visit Yass weather in July.

December and August present contrasting weather conditions. In December, temperatures range from a minimum of 4°C (39°F) to a scorching maximum of 39°C (103°F), with an average of 20°C (68°F). The month experiences moderate precipitation of 75 mm (2.9 in) over about 7 days, alongside a humidity level of 61%. In stark contrast, August is much cooler, with temperatures ranging from a low of -5°C (23°F) to a maximum of 20°C (68°F), averaging 7°C (44°F). Precipitation is slightly higher at 77 mm (3.0 in) but occurs over 10 days, resulting in a higher humidity of 77%. For more detailed information, check Yass weather in August.

In December, temperatures in Yass exhibit a wider range, with minimums around 4°C (39°F) and maximums soaring to 39°C (103°F), giving an average temperature of 20°C (68°F). This month also experiences a total of 75 mm (2.9 in) of precipitation over approximately 7 days, resulting in a humidity level of 61%. In contrast, September sees cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 28°C (82°F), leading to a lower average of 10°C (50°F). The precipitation in September is slightly less at 53 mm (2.1 in) across 8 days, accompanied by a higher humidity of 70%. For more details on September weather in Yass, visit Yass weather in September.

In comparing the weather of December and October, December generally experiences a broader temperature range, with minimum temperatures around 4°C (39°F) and maximums soaring up to 39°C (103°F). In contrast, October’s temperatures are milder, ranging from a minimum of 0°C (32°F) to a maximum of 30°C (86°F), resulting in a more stable average of 14°C (57°F). While December sees slightly more precipitation at 75 mm (2.9 in) over about 7 days, October has a total of 66 mm (2.6 in) but with precipitation occurring on 9 days. Humidity levels also differ slightly, with December at 61% and October at 58%. For more specific details on October weather, you can check Yass weather in October.

When comparing the weather in December to November, December tends to be warmer overall, with average temperatures ranging from a minimum of 4°C (39°F) and peaking at a maximum of 39°C (103°F), compared to November's lower range of 0°C (33°F) to a maximum of 36°C (98°F). December also experiences slightly less precipitation, recording 75 mm (2.9 in) over 7 days, whereas November sees 96 mm (3.8 in) across 8 days. Humidity levels are slightly higher in December at 61%, compared to November’s 57%. For more detailed information about November weather, you can check out Yass weather in November.

Compare Yass's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Yass

December in Yass heralds the arrival of warmer weather, with daytime temperatures soaring compared to the cooler months. The landscape transforms as the average temperature rises significantly, providing a perfect backdrop for outdoor activities. This month experiences some rainfall, with a handful of wet days contributing to the region's lushness, but the overall humidity remains moderate, keeping the heat bearable. Unlike the chill of winter, December's climate invites residents and visitors alike to enjoy the sun-drenched days and starry nights. For more detailed information on seasonal patterns, visit Yass Climate.