Sydney (Mascot) weather by month & the best time to visit
Australia · major coastal city · humid subtropical climate
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The best time to visit Sydney (Mascot) is September — its sunniest month (Sunshine Score 86/100), with May and October close behind. Sydney (Mascot) averages about 2,606 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 43 mm of rain in September.
When is the best time to visit Sydney (Mascot)?
For sunshine, the best time to visit Sydney (Mascot) is September, then May and October. The dullest month is June (59/100, 87 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sydney (Mascot)?
Sydney (Mascot) gets a lot of sun: around 2,606 hours a year. September (86/100) is noticeably better than June (59). It ranks #97 of 118 destinations in Australia for annual sunshine, below the national median of 3,071 hours. The year's 888 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 79 | 26° / 79°F | 20° / 68°F | 83 mm | 10 | 22° / 72°F |
| February | 70 | 25° / 77°F | 21° / 70°F | 134 mm | 9 | 24° / 75°F |
| March | 75 | 24° / 75°F | 20° / 68°F | 104 mm | 7 | 23° / 73°F |
| April | 81 | 22° / 72°F | 18° / 64°F | 73 mm | 5 | 22° / 72°F |
| May | 84 | 20° / 68°F | 15° / 59°F | 54 mm | 3 | 21° / 70°F |
| June | 59 | 17° / 63°F | 13° / 55°F | 87 mm | 2 | 20° / 68°F |
| July | 65 | 17° / 63°F | 12° / 54°F | 44 mm | 2 | 17° / 63°F |
| August | 64 | 17° / 63°F | 12° / 54°F | 47 mm | 3 | 17° / 63°F |
| September | 86 | 20° / 68°F | 14° / 57°F | 43 mm | 5 | 19° / 66°F |
| October | 83 | 22° / 72°F | 16° / 61°F | 64 mm | 7 | 19° / 66°F |
| November | 79 | 23° / 73°F | 17° / 63°F | 83 mm | 8 | 20° / 68°F |
| December | 81 | 24° / 75°F | 19° / 66°F | 72 mm | 10 | 21° / 70°F |
Sea temperature in Sydney (Mascot) by month
The sea off Sydney (Mascot) is warmest in February at around 24°C / 75°F, and coolest in July at 17°C / 63°F. The water sits at a comfortable 21°C or warmer roughly 6 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Head-to-head
How Sydney (Mascot) compares month by month: Sydney (Mascot) vs Newcastle · Sydney (Mascot) vs Canberra · Sydney (Mascot) vs Ballina · all comparisons
Sydney (Mascot): questions and answers
What kind of destination is Sydney (Mascot)?
Sydney (Mascot) is a major coastal city in Australia with a humid subtropical climate — the sea reaches 24°C at its warmest and is swimmable (21°C+) about 6 months a year.
How many hours of sunshine does Sydney (Mascot) get a year?
Sydney (Mascot) gets about 2,606 hours of sunshine a year, at its best around September.
When is the best time to visit Sydney (Mascot)?
The sunniest time to visit Sydney (Mascot) is September, when the Sunshine Score peaks at 86/100 (with May and October close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Sydney (Mascot)?
June is the least sunny month in Sydney (Mascot), scoring 59/100 with about 87 mm of rain.
What is the sea temperature in Sydney (Mascot)?
The sea in Sydney (Mascot) ranges from about 17°C (July) to 24°C (February). Month-by-month sea temperatures are on this page.
How strong is the sun in Sydney (Mascot)?
The typical midday UV index in Sydney (Mascot) peaks around 10 (very high) in January, easing to about 2 (low) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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