Monthly climate averages for Hackham, Australia. Based on 10-year ERA5 reanalysis data.
Csb Warm-Summer Mediterranean
Climate OverviewHackham, Australia in December has warm conditions, with highs averaging 23.5°C (74°F). Sea temperature averages 20.8°C (69°F).
This month falls at the beginning of Summer.
Daily highs in December gradually rise from around 22°C (72°F) at the start to 25°C (77°F) by month's end.
December sees fairly even rainfall, totalling about 21 mm across the month.
The warmest days tend to fall around the 27th, averaging 25.7°C (78°F).
Compared to November, this month is about 3°C warmer with 3 fewer rainy days. Temperatures will rise further into January.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 24°C (74°F) are ideal for full-day outdoor exploration.
Rain is uncommon in this month, so most days stay dry from morning through evening.
1 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 26°C / 17°C | 26°C / 16°C | 4days (26 mm) Good | 11.9h Excellent | 61% Muggy | 8.9 Very High | Excellent | View Details |
| February best | 25°C / 17°C | 25°C / 15°C | 3days (16 mm) Excellent | 11.3h Excellent | 61% Muggy | 8.5 Very High | Excellent | View Details |
| March best | 24°C / 16°C | 24°C / 15°C | 3days (13 mm) Excellent | 10.6h Excellent | 65% Muggy | 7.1 Very High | Excellent | View Details |
| April | 21°C / 14°C | 19°C / 12°C | 5days (28 mm) Good | 9h Good | 66% Muggy | 4.8 Moderate | Excellent | View Details |
| May | 17°C / 11°C | 14°C / 9°C | 10days (57 mm) Wet | 8.2h Good | 72% Muggy | 3.6 Moderate | Good | View Details |
| June | 14°C / 10°C | 11°C / 6°C | 11days (81 mm) Wet | 7.4h Good | 77% Humid | 2.7 Moderate | Fair | View Details |
| July | 13°C / 9°C | 10°C / 5°C | 12days (84 mm) Wet | 7.7h Good | 78% Humid | 3.1 Moderate | Fair | View Details |
| August | 14°C / 9°C | 11°C / 6°C | 12days (79 mm) Wet | 8.7h Good | 76% Humid | 4.1 Moderate | Fair | View Details |
| September | 16°C / 10°C | 14°C / 7°C | 10days (55 mm) Wet | 9.8h Good | 72% Muggy | 5.7 High | Good | View Details |
| October | 19°C / 12°C | 17°C / 9°C | 7days (48 mm) Good | 10.6h Excellent | 68% Muggy | 7.2 Very High | Good | View Details |
| November | 21°C / 13°C | 20°C / 11°C | 7days (42 mm) Good | 11.6h Excellent | 65% Muggy | 7.9 Very High | Good | View Details |
| December best | 24°C / 15°C | 23°C / 13°C | 4days (21 mm) Good | 12.2h Excellent | 61% Muggy | 8.8 Very High | Excellent | View Details |
Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.
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