January Weather in Wollongong, Australia

Last updated: February 25, 2025

In Wollongong, Australia, January brings a delightful summer experience characterized by a maximum temperature of 31°C (87°F) and an average of 22°C (72°F), perfect for outdoor activities. With a comfortable minimum temperature of 16°C (60°F), evenings invite relaxation under the stars. While the month experiences 57 mm (2.2 in) of rainfall over 9 days, the 70% humidity adds a tropical touch, enhancing the lush coastal scenery. Whether basking in the sun or enjoying the occasional refreshing shower, Wollongong's January weather offers a vibrant and inviting atmosphere for all.

January Temperature in Wollongong

In Wollongong, Australia, January heralds the peak of summer with temperatures that delight sun-seekers and beachgoers alike. The month begins with a minimum of 16°C (60°F), gradually reaching an average of 22°C (72°F), and peaking at a sultry 31°C (87°F). This warmth sets the tone for the season, as February follows closely with slightly higher nights at 17°C (62°F) while maintaining the same comfortable average. As summer transitions into autumn, the temperatures dip slightly, with March offering a similar high but cooler nights, suggesting a gradual shift. Over the following months, Wollongong experiences a steady decline in temperature, steadily moving towards the cooler winter months, where minimums can reach as low as 9°C (49°F) in June through August. Overall, January stands out as a vibrant celebration of warmth, making it a highlight in Wollongong's temperate climate.

January Weather in Wollongong: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Wollongong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec727170676359585760636568
Data source: Temperature data for Wollongong 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.

January Precipitation in Wollongong

In January, Wollongong experiences relatively mild precipitation, with 57 mm (2.2 in) of rain falling over an average of 9 days. This sets the stage for a notable increase in February, where rainfall nearly doubles, reaching 135 mm (5.3 in) across 15 days. As summer progresses into March, the city sees its wettest month, accumulating 217 mm (8.6 in) over 18 days, underscoring the trend of heightened precipitation as the season transitions. Following this peak, April sees a drop back to 55 mm (2.2 in) over 9 days, hinting at the more variable precipitation patterns typical of the region. Interestingly, while January starts off comparatively dry, the subsequent months tend to exhibit a clear ebb and flow, where monthly totals vary significantly, showing Wollongong's diverse climate characteristics as it shifts between summer's humidity and winter's cooler, wetter conditions.

January Precipitation Trends in Wollongong

The chart displays monthly precipitation patterns in Wollongong, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec5713521755821225971519812186
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Wollongong

In Wollongong, Australia, January ushers in a humidity level of 70%, setting the stage for a warm summer. As the year progresses, humidity slightly climbs to 74% in February, peaking mid-summer before a gradual decrease. This peak is followed by a brief stabilization at 73% in both March and April, hinting at a consistent warmth that characterizes the initial months of the year. By mid-year, humidity dips slightly to 70% in June, then continues its descent, reaching 68% in August—the lowest point of the year. The trend highlights a comforting drying out phase as spring approaches, culminating in October’s low of 61%. However, by December, moisture returns with a 71% reading, preparing for the cycle to repeat. Overall, Wollongong experiences a rhythm of humidity that reflects its coastal climate, blending warmth with refreshing ocean breezes.

January Average Humidity in Wollongong

This chart illustrates the average monthly humidity levels in Wollongong, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec70%75%73%73%72%70%69%68%64%61%64%71%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Wollongong

In Wollongong, Australia, January marks a peak in UV intensity with an extreme UV Index of 14, leading to a swift burn time of just 10 minutes. This intensity remains consistent into February and March with minimal declines, highlighting a month of heightened sun exposure. As autumn approaches in April, the UV Index drops to 8, transitioning to a very high category, allowing for slightly longer exposure before burning, but still demanding caution. Moving into the winter months, the UV Index stabilizes around 3 to 5, categorizing the exposure as moderate, which permits longer sun-soaking sessions of up to 30 minutes. The trend shifts again in spring, where levels begin to rise, reaching 8 in September and 10 in October, signaling a return to very high levels. As the year wraps up with extremes in November and December, Wollongong's UV patterns reflect the importance of sun safety throughout the year. For more detailed information, visit the Wollongong UV Index.

Maximum UV Index Levels in Wollongong for January

The chart shows the monthly maximum UV Index (UVI) for Wollongong in January, 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.
JanFebMarAprMayJunJulAugSepOctNovDec141312853458101214
Data source: Wollongong January 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.

January Sunshine in Wollongong

In Wollongong, Australia, January heralds the start of a sunshine-filled year, boasting a delightful 259 hours of sunlight. As summer transitions into autumn, the sun's embrace grows warmer, peaking in November with an impressive 310 hours. Although sunshine hours fluctuate, a general upward trend is apparent, particularly in the final months, where December shines the brightest with a remarkable 327 hours. This steady increase from the cooling May and June months illustrates the allure of Wollongong's climate, making it a prime destination for sun-seekers throughout the year.

Monthly Sunshine Duration in Wollongong: January Highlighted

The January sunshine duration represents the total number of hours Wollongong experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec259h278h272h269h248h222h247h267h287h302h310h327h
Data source: Wollongong January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wollongong During January

In Wollongong, January boasts a 46% chance of sunny weather, making it one of the sunnier months of the year, though not the sunniest. As summer progresses into February and March, this likelihood dips slightly to 42% and 39%, respectively. Interestingly, a notable turnaround occurs in April, where the chance of sunshine jumps to 70%, marking it as a peak period for clear skies. The trend continues with a mix of sunny and cloudy days through the middle of the year, with May and June seeing 56% and 50% chances, while July and August rise again to 57% and 63%. By September and October, the likelihood remains favorable at 60% and 51%. However, as we approach the end of the year, November and December reveal a decline in sunshine, dropping to 26% and 42%. Overall, Wollongong's weather patterns showcase a dynamic range of sunny days, with peaks in early and mid-year, allowing residents and visitors alike to enjoy an array of seasonal changes.

Percentage of Sunny Days in January in Wollongong

The chart illustrates the percentage of sunny days in Wollongong throughout the year, with January 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 Wollongong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%42%39%71%56%50%57%63%60%51%26%42%
Data source: Wollongong January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wollongong in January

In January, Wollongong, Australia basks in a generous 14 hours of daylight, marking it as one of the sunniest months of the year. As summer transitions into autumn, daylight gradually decreases, with February offering 13 hours and March declining further to 12 hours. This trend continues through April and May, where sunlight dwindles to 11 and 10 hours respectively, signaling the arrival of winter. Interestingly, July sees a slight rebound, returning to 10 hours, before daylight begins its gradual ascent again. By October, the city enjoys 12 hours once more, leading into November's 13 hours. Finally, December mirrors January's brightness with another 14 hours, creating a delightful cycle of changing light that shapes the rhythm of life in this coastal gem.

Average Daylight Hours in Wollongong for January

The chart illustrates the variation in daylight duration in Wollongong throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 9m13h 19m12h 15m11h 11m10h 18m9h 52m10h 5m10h 51m11h 52m12h 56m13h 54m14h 23m
Data source: Wollongong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Wollongong

In Wollongong, Australia, January ushers in a gentle breeze, with an average wind speed of 5.7 m/s (13 mph), setting the tone for a summer characterized by mild winds. As the months roll into February, this slight uptick to 5.9 m/s continues the trend of comfortable conditions. However, as autumn approaches in March, wind speeds peak at 6.1 m/s (14 mph). The winds then begin a gradual decline, reaching their lowest point in April at 4.2 m/s (9 mph), suggesting a more tranquil atmosphere as temperatures cool. This trend of fluctuating winds persists through the year, with speeds rising again in the latter months, creating a unique rhythm of breeziness that complements Wollongong's coastal charm. Overall, this dynamic interplay of wind speeds across the seasons highlights the region's diverse climate, making it an engaging environment for both residents and visitors.

Average January Wind Speed in Wollongong

The chart displays monthly wind speed patterns in Wollongong, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.7 m/s5.96.14.25.35.75.96.06.15.15.55.9
Data source: Wollongong January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Wollongong Compares to Other Months

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

January and February present slightly different climatic conditions despite having similar average temperatures. In January, the minimum temperature hovers around 16°C (60°F), while February sees a minor increase to 17°C (62°F). The maximum temperatures are also a bit cooler in February, peaking at 29°C (85°F) compared to January's 31°C (87°F). Notably, February experiences significantly higher precipitation, totaling 135 mm (5.3 in) over 15 days, in contrast to January's 57 mm (2.2 in) over 9 days. Humidity levels are also slightly elevated in February, reaching 74% compared to January's 70%. For more detailed information, you can visit Wollongong weather in February.

In comparing the weather of January and March, we observe that both months display similar temperature ranges, with January averaging 22°C (72°F) and March slightly cooler at 21°C (70°F). However, March experiences significantly more precipitation, with 217 mm (8.6 in) over 18 days, compared to January's 57 mm (2.2 in) across 9 days. Additionally, humidity levels are slightly higher in March at 73%, compared to January's 70%. For more detailed information, you can check Wollongong weather in March.

In comparing the weather between January and April, January typically experiences warmer temperatures, with a minimum of 16°C (60°F) and a maximum of 31°C (87°F), while April is slightly cooler, with a minimum of 14°C (57°F) and a maximum of 27°C (81°F). The average temperature in January is higher at 22°C (72°F) compared to 19°C (67°F) in April. Precipitation levels are quite similar, with January receiving 57 mm (2.2 in) and April slightly less at 55 mm (2.2 in), both seeing about 9 days of rain. Additionally, humidity levels are comparable, slightly higher in April at 73% compared to January's 70%. For more detailed information, check out Wollongong weather in April.

In January, temperatures in Wollongong are warmer, with a minimum of 16°C (60°F) and an average high reaching 31°C (87°F), while May experiences cooler conditions, starting at a minimum of 11°C (51°F) and peaking at 23°C (73°F). January typically sees 57 mm (2.2 in) of precipitation over about 9 days, whereas May has slightly higher rainfall at 82 mm (3.2 in) over 8 days. Humidity levels are fairly consistent, around 70% in January and slightly higher at 72% in May, making the latter month feel a bit more damp. For more details on the weather in May, you can check Wollongong weather in May.

In comparing the weather between January and June, we see a significant shift in temperatures and precipitation patterns. January typically enjoys warmer conditions, with average temperatures ranging from a minimum of 16°C (60°F) to a maximum of 31°C (87°F), while June experiences cooler temperatures, with averages between 9°C (49°F) and 21°C (70°F). Additionally, January has relatively low precipitation, averaging just 57 mm (2.2 in) over approximately 9 days, whereas June sees increased rainfall, accumulating 122 mm (4.8 in) across about 14 days. Despite both months having a humidity level around 70%, the contrast in temperature and precipitation makes January feel much more summery compared to the cooler, wetter June. For more details, you can check Wollongong weather in June.

When comparing the weather in January and July, January exhibits much warmer temperatures, with a minimum of 16°C (60°F) and an average of 22°C (72°F), peaking at 31°C (87°F). In contrast, July presents cooler conditions, featuring a minimum of 9°C (49°F) and an average of 14°C (58°F), with a maximum of only 21°C (71°F). Precipitation levels are relatively similar between the two months, with January receiving 57 mm (2.2 in) over 9 days, while July sees 59 mm (2.3 in) across just 5 days. Both months maintain high humidity levels, around 70% in January and 69% in July. For more details on the weather trends, you can check Wollongong weather in July.

In comparing the weather between January and August, January typically enjoys warmer temperatures with minimums around 16°C (60°F) and maximums reaching up to 31°C (87°F), while August sees much cooler temperatures, with minimums dropping to about 9°C (48°F) and maximums peaking at 21°C (70°F). January experiences an average temperature of 22°C (72°F) and a higher humidity level of 70%, which contrasts with August's average of 14°C (58°F) and slightly lower humidity at 68%. Precipitation is slightly more prominent in August, with 70 mm (2.8 in) over 7 days, compared to January's 57 mm (2.2 in) over 9 days. For a more detailed look at the weather during this month, visit Wollongong weather in August.

In comparing January and September weather, January emerges as the warmer month, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 31°C (87°F), while September experiences cooler conditions, with a minimum of 10°C (51°F) and a maximum of 24°C (76°F). Precipitation levels are relatively similar, with January receiving 57 mm (2.2 in) over 9 days and September experiencing 51 mm (2.0 in) across 7 days. Additionally, January has higher humidity at 70% compared to September's 64%. For a detailed look at September weather, you can check this link: Wollongong weather in September.

In January, the weather is generally warmer, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 31°C (87°F) and an average of 22°C (72°F). The month experiences relatively low precipitation, with 57 mm (2.2 in) spread over about 9 days, contributing to a humid environment with a humidity level of 70%. In contrast, October brings cooler temperatures, with a minimum of 13°C (55°F), an average of 17°C (63°F), and a maximum of 27°C (80°F). October also sees increased rainfall, totaling 98 mm (3.8 in) over 13 days, although the humidity is slightly lower at 61%. For more detailed information, visit Wollongong weather in October.

In January, the weather is characterized by warmer temperatures, with a minimum of 16°C (60°F) and an average of 22°C (72°F), reaching a maximum of 31°C (87°F). It experiences relatively low precipitation, accumulating about 57 mm (2.2 in) over approximately 9 days, and humidity levels are higher at around 70%. In contrast, November sees slightly cooler temperatures, with a minimum of 12°C (54°F), an average of 18°C (65°F), and a maximum similar to January at 30°C (87°F). However, November is wetter, receiving 121 mm (4.8 in) of precipitation over 10 days and lower humidity at 64%. For more detailed information, check out Wollongong weather in November.

When comparing the weather between January and December, January tends to be slightly warmer with average temperatures reaching 22°C (72°F) and maximums hitting 31°C (87°F), compared to December's average of 20°C (69°F) and a maximum of 28°C (83°F). Additionally, January experiences less rainfall, totaling 57 mm (2.2 in) over 9 days, while December sees higher precipitation of 86 mm (3.4 in) over 14 days. Both months have similar humidity levels, with January at 70% and December at 71%. For more detailed information, you can check Wollongong weather in December.

Compare Wollongong's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Wollongong

In January, Wollongong experiences a delightful summer warmth that sets it apart from other months of the year. With average temperatures hovering around a comfortable 22°C, the city basks under clear blue skies and enjoys the highest peaks of the year, reaching up to 31°C. Although occasional rain is present, with precipitation gracing the area on about 9 days, it generally adds to the overall humidity of 70%, refreshing the coastal landscape rather than detracting from outdoor activities. This blend of warmth and occasional moisture creates an inviting atmosphere, perfect for beachgoers and nature lovers alike. For a more detailed dive into the weather patterns, visit Wollongong Climate.