December Weather in Victor Harbor, Australia

Last updated: February 25, 2025

Experience the December weather in Victor Harbor, Australia, where the climate is a delightful blend of warmth and mildness. The month sees a maximum temperature soaring to 40°C (105°F), providing perfect beach days, while the average temperature hovers around a comfortable 18°C (65°F), ensuring pleasant evenings. With minimums dipping to 8°C (47°F), layering is advisable for those cooler nights. The region receives 20 mm (0.8 in) of precipitation over approximately 5 days, so be prepared for the occasional shower amid the sunny skies. With humidity at 46%, the air feels refreshing, making December a beautiful time to explore this coastal gem.

December Temperature in Victor Harbor

In December, Victor Harbor experiences a delightful warmth as summer settles in, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 40°C (105°F). The average temperature hovers around 18°C (65°F), making it one of the warmer months of the year. Following the trend of rising temperatures from earlier months, December marks the peak of the heating season, notably warmer than the mild conditions of November. With the pleasant days encouraging outdoor activities and beach visits, it’s a perfect time to embrace the sun while enjoying the stunning coastal scenery. As the year draws to a close, the warmth of December invites both locals and tourists to soak in the vibrant atmosphere that defines summer in this picturesque Australian destination.

December Weather in Victor Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Victor Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec686665615652525254586265
Data source: Temperature data for Victor Harbor generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Victor Harbor

In Victor Harbor, December marks a transitional period as the year draws to a close, featuring an average precipitation of 20 mm (0.8 in) over 5 days. This amount is a slight decrease compared to the wetter months of July (57 mm) and August (68 mm), where rainfall is more frequent and abundant. The trend toward lighter showers in December suggests a shift as the region moves into its summer season. While the precipitation is less pronounced than in the middle of the year, it helps maintain the lush coastal landscapes, striking a balance between dry warmth and refreshing rainfall as the holiday season approaches.

December Precipitation Trends in Victor Harbor

The chart displays monthly precipitation patterns in Victor Harbor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec182015304947576942393420
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Victor Harbor

In Victor Harbor, Australia, December marks the transition into the warmer summer months, characterized by a significant dip in humidity levels to 46%. This decline follows a gradual upward trend from earlier months, peaking at 76% during the cool, wintery days of June and July. As spring unfolds, humidity begins its steady decrease, dropping from 73% in May to November's relatively stable 50%. December’s moisture levels, while lower than the winter months, still reflect a humid coastal climate, contributing to the region’s distinctive summer feel and inviting outdoor activities. The trend showcases how Victor Harbor balances humidity throughout the year, creating a dynamic yet comfortable atmosphere for residents and visitors alike.

December Average Humidity in Victor Harbor

This chart illustrates the average monthly humidity levels in Victor Harbor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec41%46%55%66%73%76%76%70%65%51%50%46%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Victor Harbor

In December, Victor Harbor experiences one of its peak UV Index levels, hitting a notable 14, classified as extreme. This high rating follows a trend observed throughout the warmer months, where January and February also recorded a UV Index of 14 and 13 respectively, all requiring a brief burn time of just 10 minutes for unprotected skin. As the year progresses into the cooler months, the UV Index notably declines, dropping to 5 in May and June, where exposure is considered moderate. However, even during winter, the Index remains relatively low, transitioning back into high values by spring. It’s essential for residents and visitors alike to be vigilant about sun protection in December, as the intensity of the sun can pose significant risks. For more detailed insights, check out Victor Harbor UV Index.

Maximum UV Index Levels in Victor Harbor for December

The chart shows the monthly maximum UV Index (UVI) for Victor Harbor 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.
JanFebMarAprMayJunJulAugSepOctNovDec141311853357101214
Data source: Victor Harbor 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 Victor Harbor

As December unfolds in Victor Harbor, sunshine becomes a cherished highlight, with an impressive 354 hours of radiant light gracing the month. This marks a significant increase compared to previous months, capping off the year with a vibrant glow that outshines even November's 323 hours. The trend of increasing sunshine from the winter doldrums of June, which only saw 219 hours, demonstrates the shift toward brighter days that characterize the Australian summer. Each month displayed its share of sunny moments, but nothing quite compares to the warm embrace of December's luminosity, setting the stage for festive celebrations and outdoor adventures against the backdrop of stunning coastal scenery.

Monthly Sunshine Duration in Victor Harbor: December Highlighted

The December sunshine duration represents the total number of hours Victor Harbor 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.
JanFebMarAprMayJunJulAugSepOctNovDec289h292h300h251h226h219h233h247h279h305h323h354h
Data source: Victor Harbor December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Victor Harbor During December

December in Victor Harbor, Australia, heralds a delightful shift towards sunnier skies, boasting a 61% chance of sun—the highest probability of the year. This increase marks a notable departure from the cooler, cloudier months of late autumn, with November dipping to just 35%. As the year draws to a close, the summer months begin to tease with brighter days, aligning the festive season with outdoor activities and sunny adventures. Comparatively, late spring and early winter months consistently see lower chances of sunshine, making December a beacon of light as Victor Harbor gears up for its sun-drenched summer.

Percentage of Sunny Days in December in Victor Harbor

The chart illustrates the percentage of sunny days in Victor Harbor 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 Victor Harbor experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%51%59%55%37%36%38%50%50%47%35%61%
Data source: Victor Harbor December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Victor Harbor in December

In Victor Harbor, Australia, December shines brightly with 14 hours of daylight, mirroring the longest days of January. This summer peak in daylight begins a gradual decline as the season transitions. Following December, the daylight reduces to 13 hours in February and continues to taper off through the months, with March and April offering 12 and 11 hours, respectively. By the time we reach the winter months, June experiences the shortest days with just 9 hours of daylight. However, the cycle begins anew as July and August see a slight increase to 10 hours, followed by a steady rise back to 14 hours by December. This rhythmic pattern of daylight in Victor Harbor not only highlights the changing seasons but also invites residents and visitors alike to embrace the beauty and warmth of the southern summer.

Average Daylight Hours in Victor Harbor for December

The chart illustrates the variation in daylight duration in Victor Harbor throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 14m13h 22m12h 16m11h 9m10h 13m9h 46m10h10h 48m11h 51m12h 59m13h 59m14h 30m
Data source: Victor Harbor daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Victor Harbor

As December settles in Victor Harbor, the winds weave a gentle tapestry reminiscent of the previous months, averaging 3.8 m/s (about 8 mph). This consistent breeze continues a trend seen throughout the year, with the coastal winds generally ranging from mild to moderate, peaking during the cooler winter months of July when they reach 4.8 m/s (11 mph). It's clear that while December maintains a steady flow, it's part of a seasonal rhythm that dances between strength and serenity. The previous gusty July has left a lingering freshness in the air, a delightful backdrop as the holiday season approaches, inviting locals and tourists alike to savor the picturesque coastal views while feeling the soft embrace of the summer breeze.

Average December Wind Speed in Victor Harbor

The chart displays monthly wind speed patterns in Victor Harbor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.83.23.03.53.94.83.94.33.84.03.8 m/s
Data source: Victor Harbor December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Victor Harbor Compares to Other Months

The weather in Victor Harbor 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 Victor Harbor and find detailed weather information for every month.

Comparing the weather of December and January reveals some interesting trends. December experiences slightly cooler temperatures with a minimum of 8°C (47°F) and an average of 18°C (65°F), while January sees a rise in both minimum and average temperatures, reaching a minimum of 11°C (52°F) and an average of 20°C (69°F). The maximum temperatures also increase in January, peaking at 43°C (110°F) compared to December's maximum of 40°C (105°F). Precipitation is somewhat consistent between the two months, with December receiving 20 mm (0.8 in) over 5 days and January slightly less at 18 mm (0.7 in) over just 2 days. Despite the warmer conditions in January, the humidity remains slightly lower at 41% compared to 46% in December. For more detailed insights, check out Victor Harbor weather in January.

In December, the weather features a range of temperatures from a minimum of 8°C (47°F) to a maximum of 40°C (105°F), with an average temperature of 18°C (65°F). The month sees a total precipitation of 20 mm (0.8 in) spread over about 5 days, while humidity hovers around 46%. By contrast, February experiences slightly warmer conditions with minimum temperatures at 10°C (51°F) and an average of 19°C (66°F), peaking at 38°C (102°F). Interestingly, February shares the same total precipitation of 20 mm (0.8 in), but with fewer rainy days, just 3 in total, while maintaining the same humidity level of 46%. For those interested in a detailed account of February's weather patterns, check out Victor Harbor weather in February.

In comparing the weather in December and March, both months exhibit similar average temperatures around 18°C (65°F), but December experiences a slightly broader temperature range, with maximums reaching up to 40°C (105°F) compared to March's peak of 38°C (101°F). December also sees a bit more precipitation, totaling 20 mm (0.8 in) over five days, while March has 15 mm (0.6 in) over four days. Additionally, humidity levels rise from 46% in December to 55% in March, contributing to a more humid feel as the seasons transition. For more detailed insights, check out Victor Harbor weather in March.

December and April present contrasting weather patterns. In December, the temperatures range from a minimum of 8°C (47°F) to a scorching maximum of 40°C (105°F), with an average of 18°C (65°F). The month typically sees 20 mm (0.8 in) of precipitation over about 5 days, accompanied by a relatively low humidity of 46%. In contrast, April experiences cooler overall temperatures with a maximum of 33°C (91°F) and an average of 16°C (62°F), while still maintaining the same minimum of 8°C (47°F). Precipitation increases to 30 mm (1.2 in) over just 4 days, and humidity rises significantly to 66%. For a deeper look at April conditions, visit Victor Harbor weather in April.

In December, the weather is typically warmer, with average temperatures ranging from a minimum of 8°C (47°F) to a scorching maximum of 40°C (105°F), making it a hotter period overall. Precipitation is relatively low at 20 mm (0.8 in) over about 5 days, and humidity hovers around 46%, contributing to a drier atmosphere. In contrast, May experiences cooler temperatures, with an average ranging from a low of 5°C (41°F) to a comfortable high of 26°C (80°F). This month sees significantly more rain, totaling 49 mm (1.9 in) over 9 days, and the humidity rises to 73%, giving it a more refreshing feel. For those interested in specific conditions during this time, Victor Harbor weather in May offers detailed insights.

In comparing the weather of December and June, it's clear that December experiences much warmer temperatures, with average highs reaching up to 40°C (105°F), while June sees a cooler average maximum of just 20°C (68°F). Additionally, June is significantly wetter, with approximately 47 mm (1.8 in) of precipitation over 9 days compared to December's 20 mm (0.8 in) over 5 days. The humidity levels are also noticeably different; June has a higher humidity at 76%, creating a more damp atmosphere, while December's humidity stands at a lower 46%. For a detailed overview of June weather in Victor Harbor, check out Victor Harbor weather in June.

December and July showcase stark contrasts in weather conditions. December enjoys a warmer climate with temperatures ranging from a mild 18°C (65°F) on average, peaking at a scorching 40°C (105°F), while only encountering minimal precipitation of 20 mm (0.8 in) on 5 days. In contrast, July is much cooler, with an average temperature of 11°C (52°F) and a maximum of just 19°C (67°F). This month also experiences significantly higher rainfall, totaling 57 mm (2.3 in) over 12 days, and a notably higher humidity level at 76%. For more details about July weather, you can check Victor Harbor weather in July.

December and August present contrasting weather patterns. In December, temperatures range significantly, with a minimum of 8°C (47°F) and a maximum reaching 40°C (105°F), leading to an average of 18°C (65°F). The month experiences relatively low precipitation at 20 mm (0.8 in) over just 5 days, accompanied by a comfortable humidity level of 46%. In stark contrast, August is much cooler, showcasing a minimum temperature of 2°C (36°F) and a maximum of 22°C (72°F), with an average temperature of only 11°C (52°F). This month brings considerably higher precipitation at 68 mm (2.7 in) over 13 days and higher humidity at 70%. For more detailed information, you can check the Victor Harbor weather in August.

In comparing the weather of December and September, we see notable contrasts in temperature and precipitation. December features a much wider temperature range, with minimums around 8°C (47°F) and maximums soaring to 40°C (105°F), providing an average of 18°C (65°F). In contrast, September is significantly cooler, with a minimum of 4°C (40°F) and a maximum of 27°C (82°F), averaging just 12°C (55°F). Additionally, December experiences lower humidity at 46% and less precipitation overall, totaling only 20 mm (0.8 in) over about 5 days. In comparison, September is marked by heavier rainfall, with total precipitation reaching 42 mm (1.6 in) spread across about 10 days, and higher humidity levels at 65%. For more details on September weather specifically, you can visit Victor Harbor weather in September.

When comparing the weather in December and October, December tends to be warmer overall, with average temperatures reaching 18°C (65°F) compared to October's 14°C (58°F). The maximum temperature in December can soar to a scorching 40°C (105°F), while October sees a much milder peak of 33°C (92°F). However, October experiences more rainfall, with 39 mm (1.5 in) of precipitation over 7 days, compared to December's 20 mm (0.8 in) over just 5 days. Additionally, humidity levels are slightly higher in October at 51%, compared to December's 46%. For more detailed information on October weather, you can check Victor Harbor weather in October.

December weather shows a slight increase in temperature compared to November, with average highs reaching 40°C (105°F) versus 38°C (100°F) in November. The minimum temperatures are also comparable, with December starting at 8°C (47°F) and November at 7°C (44°F). Precipitation decreases notably in December, with only 20 mm (0.8 in) over 5 days, compared to 34 mm (1.3 in) over 7 days in November. December also features lower humidity at 46%, while November maintains a slightly higher humidity level at 50%. For more details on November's weather patterns, you can visit Victor Harbor weather in November.

Compare Victor Harbor's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Victor Harbor

As December unfolds in Victor Harbor, the weather takes on a vibrant character that sets it apart from other months. With temperatures soaring to a maximum of 40°C (105°F), this month signals the arrival of summer, bringing with it a welcome warmth that contrasts sharply with the cooler months. Despite the occasional sprinkle, with an average precipitation of 20 mm, the skies mostly remain clear, allowing for plenty of sunshine and outdoor activities. The relatively low humidity of 46% further enhances the pleasant conditions, making December a perfect time for beachgoers and nature lovers alike. For a more detailed understanding of the diverse weather patterns throughout the year, explore the comprehensive Victor Harbor Climate guide.