Last updated: February 25, 2025
Experience the January weather in the stunning Adelaide Hills, Australia, where temperatures can soar to a striking 45°C (114°F), bringing a burst of summer heat. The month offers an average temperature of 21°C (71°F), providing a comfortable respite during the daytime, while evenings cool down to a refreshing 9°C (49°F). With only 15 mm (0.6 in) of precipitation spread over just 2 days, sunshine prevails, although a hint of humidity at 41% can occasionally accompany the clear skies. Whether you’re exploring the picturesque landscapes or enjoying local festivities, the Adelaide Hills in January promise an unforgettable experience under the sun.
In January, the Adelaide Hills experience a captivating blend of warm and cool temperatures, making it a fascinating time of year. With a minimum temperature of 9°C (49°F), the region starts the month comfortably cool before rising to an average of 21°C (71°F). However, the weather can swing dramatically, peaking at a staggering 45°C (114°F), showcasing the summer heat. This trend of warm days continues into February, where the maximum temperature dips slightly to 39°C (103°F), and average temperatures hold steady around 20°C (68°F). As the season progresses into March, the averages gently decline, yet the highs remain consistent, hinting at the lingering summer warmth. Overall, January serves as a hallmark of Adelaide Hills' dynamic climate, balancing cooler mornings with the potential for scorching afternoons, making it an exciting time for both locals and visitors.
In the Adelaide Hills, January ushers in a relatively dry start to the year, recording just 15 mm of precipitation over only 2 days. While this light rain lays a gentle foundation for the warmer months, it is soon outpaced by February’s modest increase to 19 mm. As autumn approaches, rainfall steadily rises, particularly in April and May where totals jump to 27 mm and 47 mm, respectively, signaling a trend toward wetter conditions. This pattern continues through winter, peaking with 59 mm in July and 68 mm in August, which are characterized by an increase in the number of rainy days. By contrast, the transitional months of spring and early summer again see a reduction in rain, culminating in December's 17 mm. Overall, this cycle highlights a marked shift from the early-year dryness of January to the more saturated conditions later on, defining the seasonal rhythms of the region.
In January, the humidity in the Adelaide Hills tends to be relatively low at 41%, providing a comfortable yet dry summer experience. As the year progresses into February, humidity slightly increases to 46%, hinting at the onset of more tropical conditions. By March, the air becomes noticeably more humid at 55%, signaling the shift towards the wetter season. This trend continues, with April seeing 66% humidity, while May and June reach their peak at 73% and 76%, respectively. Interestingly, this high humidity level remains consistent through July, before gradually tapering off in August at 70%. The months that follow—September and October—experience a decline in humidity, settling at 65% and 51%, while November and December maintain a milder 50% and 46% respectively. Overall, the humidity levels reflect a clear seasonal transition, with a significant rise in the winter months and a gradual decrease towards the year’s end.
In January, the UV Index in the Adelaide Hills reaches a staggering 14, categorizing it as extreme and indicating a burn time of just 10 minutes. This trend of high UV levels persists into February and March, staying at 13 and 12, respectively, emphasizing the need for diligent sun protection during these summer months. As the season transitions into April, the UV Index drops to 8, still classified as very high, allowing for a slightly extended burn time of 15 minutes. Consequently, the UV levels trend downward through the cooler months, with May to August showing moderate exposure with indices ranging from 3 to 5. However, as spring approaches, a notable rise is observed again in September and October, where UV levels escalate back to 8 and 10. The year wraps up with extreme levels returning in November and December, peaking at 15 in December. For more information on the UV Index trends throughout the year, visit Adelaide Hills UV Index.
UV Risk Categories
In the breathtaking Adelaide Hills, January shines brightly with 293 hours of sunshine, setting the stage for an uplifting summer. As the months progress, the sunshine hours gradually climb, peaking in December with an impressive 353 hours. This trend highlights a captivating cycle of increasing light, particularly in the second half of the year, where the sunshine consistently grows from October's 300 hours to November’s 312 hours. While the cooler months from May to August see a dip in sunlight, the sunshine phenomenon returns with vigor, painting the landscape with golden hues and invigorating the spirit as the days grow longer. The Adelaide Hills truly bask in the splendor of the sun, making it a delightful destination year-round.
In Adelaide Hills, January stands out with a 58% chance of sunny weather, setting the tone for a delightful summer. As the month transitions into February, the likelihood increases slightly to 60%, suggesting a trend of consistent sunny days that persists into March. However, a small dip occurs in April, dropping to 59%. This cheerful sunshine is contrasted by the much cooler and overcast months that follow, with May seeing the probability fall to 40% and even lower in the depths of winter during June and July, both at 35%. As spring approaches, the likelihood of sunny days gradually rises again, reaching 51% in August and peaking at 71% in December, setting a vibrant stage for the New Year. Overall, the data illustrates a clear seasonal pattern, with summer months enjoying the highest likelihood of sunny weather, while winter invites a more subdued climate.
In the Adelaide Hills, January ushers in the longest days of the year, showcasing a splendid 14 hours of daylight. As we transition into February, the days gradually shorten to 13 hours, signaling the shift towards autumn. This decline continues through March and April, where daylight decreases to 12 and 11 hours, respectively. As winter sets in by June, daylight dips to its minimum of just 9 hours. However, a slow resurgence begins in July, as daylight returns to 10 hours, and continues to gently increase through spring. By November, we’re back to 13 hours, and December once again gifts us with 14 hours of sunlight, bringing the cycle full circle. This rhythmic ebb and flow of daylight not only marks the changing seasons but also enhances the natural beauty of this picturesque region.
In January, the Adelaide Hills experience gentle breezes with an average wind speed of 3.7 m/s (8 mph), setting a calming tone for summer activities. As the season shifts into February, the winds barely budge, reducing slightly to 3.6 m/s (8 mph), which still contributes to a pleasant atmosphere. A notable decline occurs in March, with speeds dropping to 3.0 m/s (7 mph), while April brings a further softening to 2.9 m/s (6 mph)—the calmest month of the year. However, May sees a whisper of change, as winds pick up to 3.4 m/s (8 mph). This trend of increasing breezes continues into the cooler months, peaking in July at 4.7 m/s (10 mph) and maintaining a robust presence in September at 4.1 m/s (9 mph). Overall, while January offers gentle winds, the later months exhibit a notable uptick, providing a refreshing contrast to the summer tranquility.
The weather in Adelaide Hills changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Adelaide Hills and find detailed weather information for every month.
January and February present a noticeable variation in weather patterns. January experiences a higher maximum temperature of 45°C (114°F) and a slightly warmer average of 21°C (71°F), while February sees a drop to a maximum of 39°C (103°F) and an average temperature of 20°C (68°F). In terms of precipitation, February has a slight increase, recording 19 mm (0.8 in) over three days compared to January’s 15 mm (0.6 in) over just two days. Additionally, February exhibits higher humidity levels at 46%, compared to January's 41%. For more detailed insights, check out Adelaide Hills weather in February.
In January, temperatures in the Adelaide Hills soar with minimums around 9°C (49°F) and maximums reaching a staggering 45°C (114°F), while the average stands at a warm 21°C (71°F). Precipitation is low at 15 mm (0.6 in), occurring over just 2 days, with a humidity level of 41%. In contrast, March sees slightly cooler temperatures, with minimums around 8°C (46°F) and maximums hitting 39°C (103°F), leading to an average of 19°C (66°F). Precipitation remains similar at 13 mm (0.5 in), but occurs over 3 days, and humidity rises to 55%. For a detailed look at the weather during this month, check out Adelaide Hills weather in March.
In January, the weather tends to be far hotter, with temperatures ranging from a minimum of 9°C (49°F) to a scorching maximum of 45°C (114°F) and an average of 21°C (71°F). This month sees relatively low precipitation, totaling only 15 mm (0.6 in) over just 2 days, contributing to a lower humidity level of 41%.
In contrast, April experiences cooler temperatures, with a minimum of 5°C (41°F), an average of 16°C (61°F), and a maximum of 35°C (95°F). Precipitation increases to 27 mm (1.0 in) over 4 days, leading to a noticeable rise in humidity to 66%. The weather shifts from the extreme heat of January to a more moderate and damp climate in April, making for a distinct change in the environment. For more details, check out Adelaide Hills weather in April.
January and May present vastly different weather patterns. In January, temperatures soar with a minimum of 9°C (49°F) and a sweltering maximum of 45°C (114°F), paired with low humidity levels of 41% and minimal precipitation at just 15 mm (0.6 in) over 2 days. In stark contrast, May experiences cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 27°C (81°F), as well as significantly higher humidity at 73%. Additionally, May receives more rainfall, accumulating 47 mm (1.8 in) over 9 days, promoting a more lush and vibrant environment. For a closer look at the specific weather conditions during May, check out Adelaide Hills weather in May.
January and June showcase strikingly different weather patterns. In January, temperatures soar with a minimum of 9°C (49°F) and can reach a blistering maximum of 45°C (114°F), making it the hotter month with an average of 21°C (71°F). Conversely, June is much cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 20°C (68°F) and an average of only 10°C (50°F). January experiences minimal rainfall, with just 15 mm (0.6 in) over two days, while June sees significantly more precipitation at 45 mm (1.8 in) spread across ten days, resulting in a higher humidity level of 76%. For more detailed insights on June's climatic conditions, you can check Adelaide Hills weather in June.
When comparing the weather in January and July, the differences are striking. January brings much warmer temperatures, with a minimum of 9°C and maximums soaring up to 45°C, along with very little precipitation (only 15 mm over 2 days) and relatively low humidity at 41%. In contrast, July experiences much cooler conditions, with temperatures ranging from a chilly 1°C to a mild high of 19°C. This month also sees increased precipitation at 59 mm across 12 days and a higher humidity level of 76%. For more detailed information, you can check out the Adelaide Hills weather in July.
The weather in January and August presents a stark contrast in terms of temperatures and precipitation levels. January boasts significantly higher temperatures, with daytime highs reaching up to 45°C (114°F) and an average temperature of 21°C (71°F), while August sees much cooler conditions, where the maximum temperature peaks at 23°C (73°F) and averages around 10°C (50°F). Additionally, January experiences minimal rainfall, with only 15 mm (0.6 in) over just 2 days, which contrasts sharply with August, where precipitation totals 68 mm (2.7 in) and occurs on 13 days, leading to a much heavier sense of humidity at 70%. For a more detailed overview, check out Adelaide Hills weather in August.
January weather is characterized by hot temperatures, with a minimum of 9°C (49°F), an average of 21°C (71°F), and a scorching maximum of 45°C (114°F). The month sees minimal precipitation of just 15 mm (0.6 in) over only 2 days, with humidity at a relatively low 41%. In stark contrast, September experiences cooler temperatures, ranging from a chilly minimum of 1°C (34°F) to an average of 12°C (54°F) and a maximum of 29°C (84°F). This month also brings increased rainfall, with 44 mm (1.7 in) falling over 10 days, and higher humidity at 65%. For more details on the shifting weather patterns, you can check Adelaide Hills weather in September.
In January, the Adelaide Hills experience much warmer temperatures, with highs reaching up to 45°C (114°F) and an average of 21°C (71°F), while October sees cooler temperatures, with maximums of 35°C (95°F) and an average of 14°C (58°F). January is relatively dry, with only 15 mm (0.6 in) of precipitation and humidity at 41%, whereas October is wetter, recording 39 mm (1.5 in) of rainfall over about 7 days and a higher humidity level of 51%. For more specifics on the weather in October, you can check out Adelaide Hills weather in October.
In January, temperatures in the Adelaide Hills typically range from a minimum of 9°C (49°F) to a maximum of 45°C (114°F), with an average of 21°C (71°F). The month experiences relatively low precipitation of 15 mm (0.6 in) over just 2 days, and humidity levels remain at 41%. In contrast, November presents a cooler climate with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 41°C (105°F), averaging 17°C (63°F). This month sees more rainfall, totaling 41 mm (1.6 in) over 7 days, accompanied by higher humidity levels at 50%. For a closer look at the specifics, check out Adelaide Hills weather in November.
In January, temperatures soar higher than in December, with a minimum of 9°C (49°F) and a maximum reaching up to 45°C (114°F), compared to December's minimum of 6°C (44°F) and maximum of 43°C (109°F). While January has slightly less precipitation at 15 mm (0.6 in) over just 2 days, December experiences a bit more rain at 17 mm (0.7 in) across 4 days, contributing to higher humidity levels of 46% as opposed to January's 41%. Overall, January tends to be hotter and drier, while December brings slightly cooler temperatures and increased chances of rainfall. For more detailed insights, you can check the Adelaide Hills weather in December.
January in the Adelaide Hills brings a vibrant contrast to the cooler months, characterized by warm temperatures that often reach their peak, creating a delightful summer ambiance. With an average temperature that significantly exceeds other months, the region basks in the sun, drawing both locals and visitors to its scenic beauty. While precipitation is minimal, with only a couple of rainy days, the dry 41% humidity balances the heat, making outdoor activities enjoyable. This unique blend of warmth and dry weather makes January an exceptional time to experience the charming landscapes of the Adelaide Hills. For more detailed insights into temperature patterns and seasonal variations, check the Adelaide Hills Climate.