Newcastle weather by month & the best time to visit
Australia · coastal city break · humid subtropical climate
_(7445134654).jpg/960px-Newcastle_-_aerial_images_(3)_(7445134654).jpg)
The best time to visit Newcastle is September — its sunniest month (Sunshine Score 85/100), with October and May close behind. Newcastle averages about 2,691 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 52 mm of rain in September.
When is the best time to visit Newcastle?
For sunshine, the best time to visit Newcastle is September, then October and May. The dullest month is July (63/100, 56 mm of rain). The full month-by-month picture is in the table below.
How sunny is Newcastle?
Newcastle gets a lot of sun: around 2,691 hours a year. September (85/100) is noticeably better than July (63). It ranks #91 of 118 destinations in Australia for annual sunshine, below the national median of 3,071 hours. The year's 994 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 | 80 | 27° / 81°F | 21° / 70°F | 83 mm | 10 | 22° / 72°F |
| February | 70 | 26° / 79°F | 21° / 70°F | 133 mm | 9 | 23° / 73°F |
| March | 74 | 25° / 77°F | 20° / 68°F | 116 mm | 8 | 24° / 75°F |
| April | 78 | 23° / 73°F | 18° / 64°F | 89 mm | 5 | 22° / 72°F |
| May | 81 | 20° / 68°F | 15° / 59°F | 75 mm | 3 | 21° / 70°F |
| June | 64 | 18° / 64°F | 13° / 55°F | 98 mm | 2 | 19° / 66°F |
| July | 63 | 17° / 63°F | 12° / 54°F | 56 mm | 3 | 18° / 64°F |
| August | 71 | 18° / 64°F | 12° / 54°F | 51 mm | 4 | 18° / 64°F |
| September | 85 | 20° / 68°F | 14° / 57°F | 52 mm | 5 | 19° / 66°F |
| October | 82 | 22° / 72°F | 16° / 61°F | 70 mm | 7 | 20° / 68°F |
| November | 78 | 24° / 75°F | 18° / 64°F | 90 mm | 8 | 21° / 70°F |
| December | 80 | 25° / 77°F | 19° / 66°F | 81 mm | 10 | 22° / 72°F |
Sea temperature in Newcastle by month
The sea off Newcastle is warmest in March at around 24°C / 75°F, and coolest in July at 18°C / 64°F. The water sits at a comfortable 21°C or warmer roughly 7 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
How Newcastle compares month by month: Newcastle vs Sydney (Mascot) · Newcastle vs Canberra · Newcastle vs Ballina · all comparisons
Newcastle: questions and answers
What kind of destination is Newcastle?
Newcastle is a coastal city break in Australia with a humid subtropical climate — the sea reaches 24°C at its warmest and is swimmable (21°C+) about 7 months a year.
How many hours of sunshine does Newcastle get a year?
Newcastle gets about 2,691 hours of sunshine a year, at its best around September.
When is the best time to visit Newcastle?
The sunniest time to visit Newcastle is September, when the Sunshine Score peaks at 85/100 (with October and May close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Newcastle?
July is the least sunny month in Newcastle, scoring 63/100 with about 56 mm of rain.
What is the sea temperature in Newcastle?
The sea in Newcastle ranges from about 18°C (July) to 24°C (March). Month-by-month sea temperatures are on this page.
How strong is the sun in Newcastle?
The typical midday UV index in Newcastle 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.
Put the Newcastle sunshine badge on your site
A compact badge showing Newcastle's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: