Sydney in October
In October, Sydney averages 22°C (72°F) during the day and 13°C (55°F) at night, with around 10 days of rain (77 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
October offers comfortable temperatures in Sydney, with some rain to plan around.
How October compares to the rest of the year in Sydney
October is in the middle of the year for warmth in Sydney (7th of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature matches the city's annual average. October runs 2°C warmer than September (20°C) and warms a further 2°C into November (24°C).
October sunrise & sunset in Sydney
Times shown for Sydney local time (Australia/Sydney), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Sydney — October
Golden-hour and blue-hour windows for the 15th of October, in Sydney's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Sydney in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (High season) and Sydney's popularity.
Crowds & pricing — October in Sydney
This is a busy month in Sydney — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — October in Sydney
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Sydney — October
Across the year Sydney's sea swings from 17.7°C (July) to 23.4°C (February) — October sits at 19°C.
Sydney in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 26°C / 79°F | 19°C / 66°F | 102 mm | 11 | — |
| February | 26°C / 79°F | 19°C / 66°F | 117 mm | 11 | — |
| March | 25°C / 77°F | 17°C / 63°F | 130 mm | 12 | — |
| April | 22°C / 72°F | 14°C / 57°F | 127 mm | 11 | — |
| May | 19°C / 66°F | 11°C / 52°F | 121 mm | 11 | — |
| June | 17°C / 63°F | 9°C / 48°F | 131 mm | 11 | — |
| July | 17°C / 63°F | 8°C / 46°F | 98 mm | 9 | — |
| August | 18°C / 64°F | 9°C / 48°F | 81 mm | 9 | — |
| September | 20°C / 68°F | 11°C / 52°F | 69 mm | 9 | — |
| October | 22°C / 72°F | 13°C / 55°F | 77 mm | 10 | — |
| November | 24°C / 75°F | 16°C / 61°F | 84 mm | 10 | — |
| December | 25°C / 77°F | 18°C / 64°F | 78 mm | 11 | — |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for Sydney in October →
Frequently asked questions
How hot is Sydney in October?
In October, Sydney averages a high of 22°C (72°F) and a low of 13°C (55°F) — generally mild and pleasant.
Does it rain a lot in Sydney in October?
October can be fairly wet in Sydney, with about 10 rainy days on average.
Is October a good time to visit Sydney?
October is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Sydney in October?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full October packing list for Sydney for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.