Newcastle has a mild coastal climate, slightly warmer and drier than Sydney, with warm summers and mild winters.
Season by season
Spring (September–November)
Warm days and whales heading south. Good for the coastal walk.
Summer (December–February)
Hot, busy beaches and long evenings at the baths.
Autumn (March–May)
Warm seas, settled weather and fewer people.
Winter (June–August)
Mild days and whale migration. Cooler for swimming.
Month by month
| Month | Avg high / low | Wet days | Daylight | Our verdict |
|---|---|---|---|---|
| January | 26° / 19°C | ≈11 | ≈14.2 h | Peak season |
| February | 26° / 19°C | ≈12 | ≈13.4 h | Peak season |
| March | 25° / 18°C | ≈13 | ≈12.3 h | Best |
| April | 23° / 15°C | ≈12 | ≈11.2 h | Best |
| May | 20° / 12°C | ≈12 | ≈10.3 h | Good |
| June | 18° / 10°C | ≈12 | ≈9.9 h | Quiet & cheap |
| July | 17° / 8°C | ≈10 | ≈10.1 h | Quiet & cheap |
| August | 18° / 9°C | ≈9 | ≈10.8 h | Good |
| September | 20° / 11°C | ≈9 | ≈11.8 h | Good |
| October | 22° / 14°C | ≈10 | ≈12.9 h | Best |
| November | 24° / 16°C | ≈11 | ≈13.8 h | Best |
| December | 25° / 18°C | ≈11 | ≈14.4 h | Peak season |
Approximate long-term averages, rounded; daylight is the approximate time between sunrise and sunset mid-month (Sydney’s latitude). Seasons are reversed from the northern hemisphere: summer is December to February.
Festivals & events
- May–November Whale migration; cruises and viewing from Nobbys and the headlands.
Crowds & booking ahead
Newcastle rarely feels crowded, except on hot summer weekends at the beaches. Hotels fill up during big sporting and music events.

