October Weather in Sydney, Australia

Last updated: February 26, 2025

In October, Sydney, Australia experiences a delightful transition into spring, characterized by maximum temperatures reaching 29°C (84°F) and a comfortable average of 18°C (65°F). As the days progressively warm, expect sporadic rain, with approximately 85 mm (3.4 in) of precipitation spread across 12 days throughout the month. Humidity levels hover around 55%, contributing to a refreshing yet pleasant atmosphere. Whether you're exploring the stunning coastal scenery or enjoying the vibrant city life, Sydney's October weather offers an inviting backdrop for all types of activities.

October Temperature in Sydney

In October, Sydney experiences a delightful transition as spring emerges, bringing with it a refreshing warmth. The temperatures range from a mild minimum of 12°C (54°F) to a pleasant maximum of 29°C (84°F), with an average hovering around 18°C (65°F). This month marks a notable rise from the cooler September, where the average temperature was just 16°C (61°F), hinting at the approach of summer. With warmer days gradually unfolding, Sydney's October weather invites outdoor adventures, making it an ideal time for locals and tourists alike to enjoy the city's vibrant parks and coastal scenery.

October Weather in Sydney: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Sydney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec737371676258575761646770
Data source: Temperature data for Sydney 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.

October Precipitation in Sydney

In Sydney, October marks a transition into warmer weather, characterized by an average precipitation of 85 mm (3.4 in) spread over 12 days. This volume is notably higher than the previous months of September and April, indicating a shift towards the wetter part of the year. With an increase in rainfall, October serves as a bridge into the upcoming summer season, maintaining a balance that is crucial for the region's lush greenery. Interestingly, this month's precipitation is on par with November, suggesting a consistent pattern in early spring rainfall, which is likely essential for replenishing water supplies before the drier summer months hit. Overall, October's weather sets the stage for vibrant outdoor activities, while also reminding residents of the cyclic nature of Sydney's climatic patterns.

October Precipitation Trends in Sydney

The chart displays monthly precipitation patterns in Sydney, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec421251864063108545349858578
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Sydney

In Sydney, Australia, October brings a refreshing shift in humidity, dipping to a comfortable 55%. This marks a notable decline from the previous months, where humidity levels steadily climbed from 63% in September to 75% in April, creating a trend of increasing moisture in the air during the cooler months. As spring blooms into action, the lower humidity levels in October set the stage for milder, more pleasant weather, making it an ideal time for outdoor activities. Following this drop, humidity gradually rises again towards the end of the year, reaching 68% by December, suggesting a seasonal cycle that keeps Sydneysiders on their toes. The alternating patterns in humidity throughout the year highlight Sydney's dynamic climate and the variety of experiences it offers.

October Average Humidity in Sydney

This chart illustrates the average monthly humidity levels in Sydney, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%72%75%74%72%68%67%63%55%58%68%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Sydney

In October, Sydney experiences a UV Index of 10, categorized as very high, with a burn time of just 15 minutes. This marks a shift from the slightly lower indices of the winter months, showcasing a gradual rise in UV intensity as the region transitions into spring and heads toward the summer heat. The increase in UV levels reflects a broader trend observed from April onward, where UV exposure escalates from moderate to high levels. As the sunshine becomes more potent, it’s essential for Sydney residents and visitors to stay vigilant about sun protection to prevent harmful effects on their skin. For more detailed information, you can explore the Sydney UV Index.

Maximum UV Index Levels in Sydney for October

The chart shows the monthly maximum UV Index (UVI) for Sydney in October, 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.
JanFebMarAprMayJunJulAugSepOctNovDec141311853468101214
Data source: Sydney October 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.

October Sunshine in Sydney

As October arrives in Sydney, Australia, the city basks in a brilliant display of sunshine, accumulating an impressive 297 hours of bright daylight. This remarkable total not only highlights the peak of spring but also showcases a steady increase in sunlight hours as the year progresses. October's sunshine builds on an already radiant September, which recorded 287 hours, pointing to the onset of warmer days. Following the pattern established earlier in the year, this month sets the stage for November's even brighter forecast, which is expected to soar to 305 hours. With each passing month, Sydney witnesses an undeniable trend of growing sunshine, inviting residents and visitors alike to indulge in the beauty of the outdoors.

Monthly Sunshine Duration in Sydney: October Highlighted

The October sunshine duration represents the total number of hours Sydney experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec251h274h270h269h253h225h248h273h287h297h305h319h
Data source: Sydney October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sydney During October

As October rolls around in Sydney, the chances of basking in sunny weather stand at 55%, promising a delightful balance of warmth and comfort. This reflects a slight dip from the favorable conditions of the preceding months, such as April and August, both boasting a 68% chance of sunshine. Interestingly, while October's weather is still more favorable than the later months of the year, like November at 25%, it marks a transition towards the cooler season ahead. Visitors and locals alike can expect a pleasant mix of sunny days to enjoy the city's vibrant outdoor lifestyle before the summer heat fully sets in.

Percentage of Sunny Days in October in Sydney

The chart illustrates the percentage of sunny days in Sydney throughout the year, with October 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 Sydney experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%41%38%68%57%51%61%68%61%55%25%42%
Data source: Sydney October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sydney in October

As October unfolds in Sydney, the city enjoys a delightful 12 hours of daylight, marking a return to longer days after the shorter hours of winter. This gentle increase signals the transition from the cooler months, as daylight gradually extends from 11 hours in September to a more vibrant setting. The trend is clear: the amount of daylight peaks in January and December at 14 hours, while February and November follow closely with 13 hours each. This rhythmic cycle highlights Sydney's distinct seasonal shifts, making October a perfect time for outdoor activities as the sun reclaims its skyward presence, inviting residents and visitors alike to bask in the spring sunshine.

Average Daylight Hours in Sydney for October

The chart illustrates the variation in daylight duration in Sydney throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 6m13h 17m12h 15m11h 12m10h 20m9h 55m10h 8m10h 53m11h 52m12h 55m13h 51m14h 20m
Data source: Sydney daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Sydney

As October rolls into Sydney, the wind makes its presence known with an average speed of 4.6 m/s (10 mph), marking a gentle dip from the slightly brisk rates of September. This month generally ushers in a transition, as the city bids farewell to the stronger winds characteristic of early spring. Overall, the trend of diminishing wind speeds continues through October, suggesting a serene yet refreshing atmosphere that perfectly complements the onset of warmer days. While the breezy conditions of the earlier months may linger in memory, October's softer gusts invite relaxation and exploration of the vibrant urban landscape.

Average October Wind Speed in Sydney

The chart displays monthly wind speed patterns in Sydney, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.35.73.54.65.05.65.05.74.6 m/s5.55.1
Data source: Sydney October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Sydney Compares to Other Months

The weather in Sydney changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Sydney and find detailed weather information for every month.

In October, the weather features a milder temperature range with minimums around 12°C (54°F) and maximums reaching up to 29°C (84°F), while the average temperature hovers around 18°C (65°F). The month tends to be wetter, with approximately 85 mm (3.4 in) of precipitation over 12 days and a humidity level of 55%. In contrast, January is warmer and drier, showcasing minimum temperatures of 16°C (62°F) and maximums soaring to 34°C (93°F), with an average temperature of 23°C (74°F). It experiences less rainfall, about 42 mm (1.7 in), over 9 days, while humidity increases to 65%. For more details, you can check out Sydney weather in January.

In October, temperatures in Sydney range from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), with an average temperature of 18°C (65°F). The month experiences about 85 mm (3.4 in) of precipitation over approximately 12 days, coupled with a humidity level of 55%. In contrast, February sees warmer temperatures, with a minimum of 17°C (62°F) and a maximum of 35°C (95°F), averaging around 23°C (73°F). Precipitation rises to 125 mm (4.9 in) across 13 days, and humidity increases to 69%. For more detailed insights, check the Sydney weather in February.

October and March present contrasting weather patterns, with October featuring milder temperatures averaging around 18°C (65°F) and a maximum of 29°C (84°F), while March boasts warmer averages of 22°C (71°F) and peaks reaching 33°C (92°F). October experiences about 85 mm (3.4 in) of precipitation across 12 days, leading to a relatively comfortable humidity level of 55%. In comparison, March sees significantly higher rainfall at 185 mm (7.3 in) spread over 18 days, resulting in increased humidity at 72%. For a more detailed look at Sydney's weather in March, visit Sydney weather in March.

When comparing the weather in October and April, both months exhibit mild temperatures, but there are notable differences. October boasts a temperature range from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), averaging around 18°C (65°F). In contrast, April has a slightly warmer average temperature of 19°C (67°F), with highs reaching 30°C (86°F). Rainfall in October is more substantial, with 85 mm (3.4 in) over 12 rainy days, while April sees significantly less precipitation at 40 mm (1.6 in) across 9 days. Additionally, April tends to be more humid, with 75% humidity compared to October's 55%. For a deeper look at April's weather patterns, check out Sydney weather in April.

When comparing October and May in terms of weather, October tends to be warmer and drier. October features a minimum temperature of 12°C (54°F) and an average of 18°C (65°F), with maximum highs reaching 29°C (84°F). In contrast, May has cooler temperatures, with minimums around 8°C (46°F) and an average of 17°C (62°F), peaking at 24°C (76°F). Additionally, October sees more precipitation at 85 mm (3.4 in) over 12 days compared to May's 63 mm (2.5 in) across 9 days. Furthermore, May has higher humidity levels at 74%, while October sits at a more comfortable 55%. For more details on the weather during this month, you can check out Sydney weather in May.

When comparing the weather in October and June, October tends to be warmer with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F). In contrast, June's temperatures are cooler, with a minimum of 8°C (47°F) and a maximum of 22°C (72°F). However, June experiences higher humidity levels at 72% compared to October's 55%, making it feel more damp. Additionally, June has more precipitation on average, receiving 108 mm (4.3 in) over 15 days, while October has 85 mm (3.4 in) over 12 days. For a detailed look at June weather in Sydney, you can visit Sydney weather in June.

When comparing the weather in October to that in July, it is clear that October experiences milder temperatures with a minimum of 12°C (54°F) and an average of 18°C (65°F), reaching a maximum of 29°C (84°F). In contrast, July has cooler temperatures, with a minimum of 6°C (44°F) and an average of 14°C (57°F), peaking at 23°C (74°F). Additionally, October sees more rainfall, with 85 mm (3.4 in) falling over 12 days compared to July's 54 mm (2.1 in) over just 6 days. Humidity levels also differ, being higher in July at 68% compared to October's 55%. For a more detailed look at July weather, you can refer to Sydney weather in July.

In comparing the weather between October and August, October brings warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 29°C (84°F), while August experiences cooler conditions, ranging from a minimum of 8°C (46°F) to a maximum of 22°C (72°F). The average temperature in October is significantly higher at 18°C (65°F) compared to August's average of 14°C (58°F). Additionally, October sees more precipitation, with 85 mm (3.4 in) over 12 days, while August has only 53 mm (2.1 in) over 6 days. Humidity is also lower in October at 55%, compared to the higher 67% in August. For more specific details, you can check Sydney weather in August.

In comparing the weather between September and October, October tends to be slightly warmer, with average temperatures rising from 16°C (61°F) in September to 18°C (65°F) in October. The minimum temperature also sees a modest increase, going from 10°C (50°F) to 12°C (54°F). While both months experience comparable maximum temperatures, October reaches up to 29°C (84°F), just above September's 28°C (83°F). However, October is noticeably wetter, with 85 mm (3.4 in) of precipitation over 12 days compared to September's 49 mm (1.9 in) over 8 days, and humidity decreases from 63% in September to 55% in October. For more details, you can check Sydney weather in September.

In comparing the weather between October and November, we can see some notable differences and similarities. October tends to have slightly cooler temperatures, with an average of 18°C (65°F) and a maximum of 29°C (84°F), while November sees a rise in average temperature to 19°C (67°F) and can reach as high as 34°C (94°F). Both months receive similar precipitation levels, with October experiencing 85 mm (3.4 in) over 12 days, and November receiving 85 mm (3.3 in) over just 10 days. Humidity also sees a minor increase, rising from 55% in October to 57% in November. For more detailed information on November weather, you can visit Sydney weather in November.

In comparing the weather of October and December, we observe a general warming trend. October features a minimum temperature of 12°C (54°F) and an average of 18°C (65°F), peaking at 29°C (84°F), while December's temperatures range from a minimum of 15°C (60°F) to an average of 21°C (70°F), with a maximum of 30°C (87°F). Precipitation levels are slightly lower in December, with 78 mm (3.1 in) over 11 days compared to October's 85 mm (3.4 in) over 12 days. Additionally, December is marked by higher humidity at 68%, compared to October's 55%. For more detailed information, you can check Sydney weather in December.

Compare Sydney's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Sydney

As October unfolds in Sydney, the city's weather begins to transition with a delightful mix of warmth and freshness. With daytime temperatures rising, it's a perfect time to enjoy the outdoors, yet the month also sees a fair share of rain, contributing to the vibrant spring atmosphere. Compared to the cooler months preceding it, October's average temperatures bring a welcome warmth; however, the occasional rainy days and moderate humidity remind residents and visitors alike that spring is still in its early stages. This blend of conditions makes October a unique time to experience the blossoming beauty of Sydney. For more insights on what to expect throughout the year, visit Sydney Climate.