Last updated: February 25, 2025
In Williamstown, Australia, December brings a remarkable range of temperatures, with a maximum soaring to 42°C (108°F) and an average of 19°C (66°F), while lows can dip to a refreshing 6°C (43°F). This month experiences minimal precipitation, totaling just 16 mm (0.6 in) over approximately 4 days, contributing to a generally dry atmosphere with a humidity level of 46%. The blend of warm days and cool nights creates a dynamic climate, perfect for enjoying the vibrant outdoor life that December offers in this coastal town.
In Williamstown, Australia, December heralds the peak of summer, bringing with it warm and inviting temperatures. With a minimum of 6°C (43°F) and an average of 19°C (66°F), the oceanic breeze ensures the air remains comfortably mild. As the days warm up, residents can expect highs reaching up to a sizzling 42°C (108°F), making it the perfect time for beach outings and summer festivities. This month exhibits a notable shift from the cooler months, where average temperatures begin to climb, reflecting a broader trend of increasing warmth as the year progresses. Overall, December sets the stage for a lively summer season in this coastal haven.
In December, Williamstown experiences a notable decline in precipitation compared to the wetter months preceding it. Receiving only 16 mm (0.6 in) over four days, the rainfall is relatively light, reflecting a typical late spring transition into summer. This pattern follows a significant increase in rainfall from July to August, where precipitation peaked at 65 mm (2.6 in) due to winter storms. As the year comes to a close, the trend indicates a shift towards drier conditions, allowing residents and visitors to enjoy more sunshine and outdoor activities. The overall precipitation pattern highlights a seasonality unique to this coastal region, with December being one of the drier months, contrasting sharply with the heavier rainfalls earlier in the year.
In December, Williamstown, Australia, experiences a relative humidity of 46%, reflecting a notable decline compared to the wetter months preceding it. This decrease follows a gradual upward trend during the cooler months, peaking at 76% in both June and July. As summer approaches, the humidity starts to level off, indicating a drying trend typical for this time of year. The transition from 73% in May to 46% in December highlights the region's shift towards warmer conditions, making December a relatively drier month, which complements the festive summer vibe.
In December, Williamstown, Australia experiences a significant rise in the UV Index, peaking at 15 and falling into the extreme exposure category, with a burn time as short as 10 minutes. This increase continues the trend seen from the previous months, where the UV levels have consistently remained high from November's 13 and October's 10. After enjoying moderate UV levels in the cooler months, residents and visitors must be particularly diligent about sun protection as the summer heat intensifies. As the year shifts towards its sunniest days, understanding the UV Index becomes crucial for safe outdoor activities. For more detailed information, visit Williamstown UV Index.
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December shines particularly bright in Williamstown, Australia, boasting an impressive 353 hours of sunshine, the highest for the year. This month reflects a delightful upward trend as the year concludes, following a steady increase from the lower sunshine hours in the middle of the year. Notably, the transition from October's 300 hours sets the stage for a radiant climax, with December outshining each preceding month. The shift from the overcast winter months of June and July, which offered only 221 and 237 hours, respectively, highlights the contrast and excitement of the warmer, sunnier days. With such abundant sunlight, December encourages outdoor activities and joyful gatherings, perfectly encapsulating the essence of summer in this vibrant coastal town.
In December, Williamstown, Australia enjoys a significantly higher likelihood of sunny weather, with a notable 70% chance of sunshine. This marks a positive trend as we transition from the cooler months, where sunlight is less frequent, dipping as low as 33% in June and 35% in July. Interestingly, as the year progresses towards December, the chance of sun steadily rises, peaking beyond the 60% mark in the warmer months of January and February. This sunny forecast makes December an ideal time to embrace outdoor activities and enjoy the vibrant Australian summer.
In Williamstown, Australia, December marks the peak of daylight duration with an impressive 14 hours of sunshine, mirroring the long, bright days of January. This vibrant stretch from December to February is characterized by abundant light, making it the sunniest period of the year. As the months transition into autumn, daylight gradually dwindles, reaching a low of 9 hours in June. However, the return of spring in September signals a gentle increase back to 13 hours by November, setting the stage for another sun-filled December. The rhythmic pattern of daylight hours not only emphasizes the seasonal shifts but also enriches the natural beauty of this coastal locale throughout the year.
In Williamstown, Australia, the December winds carry a gentle breeze with an average speed of 3.7 m/s (8 mph), reflecting a familiar pattern as the year draws to a close. Throughout the year, wind speeds exhibit a subtle ebb and flow; for instance, July and November boast the strongest gusts at 4.8 m/s (11 mph) and 4.0 m/s (9 mph) respectively, hinting at a mid-winter peak. Conversely, the calmest months, notably April at 2.9 m/s (6 mph), create a distinct contrast that underscores the seasonal changes in Williamstown's maritime climate. As December arrives, the brisk winds not only provide a refreshing respite from the summer heat but also maintain a consistent rhythm, echoing earlier months and setting the stage for the summer breezes ahead.
The weather in Williamstown 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 Williamstown and find detailed weather information for every month.
December and January's weather exhibit some notable similarities and differences. In December, the minimum temperature dips to 6°C (43°F), while January experiences a slightly higher minimum at 8°C (46°F). Both months have similar maximum temperatures, with December peaking at 42°C (108°F) and January reaching a high of 43°C (110°F). Average temperatures also rise from 19°C (66°F) in December to 21°C (70°F) in January. Precipitation remains consistent at 16 mm (0.6 in) for both months, but January enjoys fewer rainy days, with only 2 compared to December's 4. Humidity levels are also slightly lower in January at 41% compared to December's 46%. For more detailed information about January weather, you can visit Williamstown weather in January.
When comparing December and February weather, both months have similar average temperatures, hovering around 19°C (66°F). However, December experiences slightly warmer maximum temperatures, reaching up to 42°C (108°F), while February's maximum is a bit cooler at 38°C (100°F). Precipitation levels are also notable; December sees 16 mm (0.6 in) over 4 days, whereas February has slightly higher precipitation at 21 mm (0.8 in) but over just 2 days. Humidity remains consistent at 46% for both months, contributing to the overall climate experience. For more detailed insights, you can check Williamstown weather in February.
In December, the weather in Williamstown showcases a broader temperature range, with a minimum of 6°C (43°F) and a maximum reaching up to 42°C (108°F), while averaging around 19°C (66°F). This month sees relatively low precipitation at 16 mm (0.6 in) over approximately 4 days, paired with a humidity level of 46%.
In contrast, March features a slightly cooler average temperature of 18°C (65°F), with similar minimum temperatures but a lower maximum of 38°C (100°F). The precipitation decreases to 10 mm (0.4 in) across 3 days, and humidity rises to 55%. Overall, while both months offer warm conditions, March tends to be a bit more humid and less extreme in temperatures. For more details on the weather in March, you can check Williamstown weather in March.
In December, temperatures in Williamstown range from a minimum of 6°C (43°F) to a maximum of 42°C (108°F), with an average temperature of 19°C (66°F). The month typically sees only 16 mm (0.6 in) of precipitation over about 4 days and has a relative humidity of 46%. In contrast, April experiences slightly cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 35°C (95°F), averaging 16°C (60°F). Rainfall increases to 25 mm (1.0 in) over the same number of days, and the humidity rises to 66%. For more details on the weather in April, you can visit Williamstown weather in April.
December weather is characterized by warmer temperatures, with a minimum of 6°C (43°F) and an average high reaching up to 42°C (108°F). The month experiences relatively low precipitation, averaging just 16 mm (0.6 in) over about four days, accompanied by a humidity level of 46%. In contrast, May brings cooler conditions, featuring a minimum temperature of 2°C (36°F) and a maximum of 26°C (79°F). This month sees more significant rainfall, with an average of 40 mm (1.6 in) spread over about nine days, alongside a higher humidity level of 73%. For more detailed insights, you can check out Williamstown weather in May.
In comparing the weather between December and June, notable differences emerge. December boasts significantly higher temperatures, with a minimum of 6°C (43°F), an average of 19°C (66°F), and a maximum reaching up to 42°C (108°F). In contrast, June experiences cooler conditions, featuring a minimum temperature of -2°C (29°F) and an average of 9°C (48°F), with a peak of only 20°C (69°F). Additionally, precipitation levels differ, as December sees only 16 mm (0.6 in) over 4 days, while June has a wetter climate with 42 mm (1.7 in) spread over 8 days. The humidity is also higher in June at 76%, compared to December's 46%. For a closer look at June's weather specifics, visit Williamstown weather in June.
December and July showcase markedly different weather patterns. December experiences a much warmer range, with minimum temperatures around 6°C (43°F) and maximums soaring up to 42°C (108°F), averaging at a comfortable 19°C (66°F). It is relatively dry as well, with only 16 mm of precipitation occurring over just four days, and humidity resting at 46%. In contrast, July is significantly cooler, with temperatures dipping as low as -1°C (30°F) and peaking at 21°C (70°F), averaging 9°C (48°F). This month sees increased rainfall, with 50 mm recorded over 11 days, and a notable rise in humidity at 76%. For more specifics about the weather in July, you can refer to Williamstown weather in July.
When comparing the weather in December and August, a stark contrast is evident. December enjoys significantly warmer temperatures, with an average of 19°C (66°F) and highs reaching up to 42°C (108°F), whereas August is much cooler, with an average temperature of only 9°C (49°F) and maximums around 22°C (72°F). Precipitation levels also differ greatly; December experiences minimal rainfall with just 16 mm (0.6 in) over 4 days, compared to August's 65 mm (2.6 in) spread out over 11 days, highlighting a much wetter month. Additionally, humidity in August is notably higher at 70%, compared to December's 46%. For more details on the weather in August, you can visit Williamstown weather in August.
Comparing the weather in December and September reveals notable differences in temperature and precipitation. December experiences a wide temperature range, with a minimum of 6°C (43°F) and a scorching maximum of 42°C (108°F), resulting in an average temperature of 19°C (66°F). In contrast, September has a much cooler climate, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 28°C (83°F), averaging just 11°C (53°F). Additionally, September sees nearly double the precipitation of December, with 38 mm (1.5 in) spread over 8 days, compared to December's 16 mm (0.6 in) over only 4 days. The humidity levels also differ significantly, with September at 65% and December at a more comfortable 46%. For more details on September weather, visit Williamstown weather in September.
When comparing the weather in December and October, December tends to be warmer with average temperatures reaching up to 19°C (66°F) and highs soaring to 42°C (108°F). In contrast, October has cooler average temperatures of 14°C (57°F) and maximums of 35°C (94°F). Additionally, October experiences more precipitation, with 37 mm (1.5 in) across 6 days, compared to December’s lighter rainfall of 16 mm (0.6 in) over 4 days. Humidity levels are slightly higher in October at 51%, while December has a lower average of 46%. For more detailed information, you can check out Williamstown weather in October.
In comparing the weather of December and November, December exhibits slightly warmer temperatures, with an average of 19°C (66°F) compared to November's 17°C (62°F). The minimum temperatures also rise a bit, from 3°C (38°F) in November to 6°C (43°F) in December, while the maximum temperatures remain similar, peaking at 42°C (108°F) in December and 41°C (105°F) in November. However, December experiences significantly less precipitation, with only 16 mm (0.6 in) over 4 days, contrasted with November's 43 mm (1.7 in) spread over 7 days. Additionally, humidity levels slightly decrease from 50% in November to 46% in December, reflecting drier conditions as the year draws to a close. For a more detailed look at November's weather patterns, visit Williamstown weather in November.
As December rolls in, Williamstown experiences a notable shift in weather compared to other months. With average temperatures climbing, it’s the time when residents and visitors alike can bask in the warmth of the summer sun, reaching maximum highs that make for enjoyable outdoor activities. The air remains comfortably humid, yet the overall precipitation is relatively low, indicating that rain showers will not dampen your festive plans. This combination of warmth and limited rainfall allows for a vibrant atmosphere, setting the stage for holiday celebrations and summer adventures. For a deeper dive into the weather patterns throughout the year, explore Williamstown Climate.