Gold Coast is 0.5°C (0.9°F) warmer by day, Gold Coast has 5.2°C (9.4°F) warmer nights, Gold Coast gets 774 mm (30.5 in) more rain a year.
Adelaide is at its warmest in January and coolest in July, while Gold Coast peaks in December and bottoms out in July. Month for month, Gold Coast is the warmer of the two in 12 of 12 months.
Gold Coast is the wetter of the two, collecting 1,227 mm (48.3 in) of rain a year against 453 mm (17.8 in) in Adelaide. The most comfortable time to visit is March, April and November in Adelaide and April, September and October in Gold Coast.
| Adelaide | Metric | Gold Coast |
|---|---|---|
| 🌡️ Temperature | ||
| 29.6°C | 🌡️Average daytime high | 30.1°C |
| 6.4°C | 🌙Average nighttime low | 11.6°C |
| January | 🔥Hottest month | December |
| July | ❄️Coldest month | July |
| 🌧️ Rain | ||
| 453 mm | 🌧️Annual rainfall | 1,227 mm |
| July | ☔Wettest month | February |
| February | 🏜️Driest month | September |
| 💨 Climate | ||
| 65% | 💧Average humidity | 72% |
| 2.8 m/s | 💨Average wind speed | 3.1 m/s |
Overnight, Adelaide typically falls to around 6.4°C (43.5°F) while Gold Coast settles near 11.6°C (52.9°F).
Adelaide is hottest in January and coldest in July, whereas Gold Coast peaks in December and is coolest in July.
Adelaide sees the most rain in July and the least in February; Gold Coast is wettest in February and driest in September.
Gold Coast feels the more humid of the two, averaging 72% relative humidity against 65%.
For Gold Coast, the pick of the year is April, September and October.
Month by month, here is the coldest night, the average day and the hottest afternoon each city can expect. Switch Compare to read rainfall, humidity, wind or solar instead, and Period to move between the long-term 45-year average and any single year — the shading is a quick warm-to-cool guide.
| Month | Adelaide | Gold Coast | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 11 | 25.6🔥 | 40.1 | 18.1 | 26.7🔥 | 35.2 |
| February | 11 | 24.8 | 38.6 | 18.1 | 26 | 33.9 |
| March | 9.4 | 22.5 | 35.6 | 16 | 24.2 | 32.4 |
| April | 7.2 | 18.7 | 30.2 | 12.5 | 20.7 | 28.9 |
| May | 4.7 | 14.4 | 24.1 | 8.6 | 17.4 | 26.1 |
| June | 2.8 | 11.1 | 19.3 | 5.4 | 14.3 | 23.2 |
| July | 2.1 | 10.1❄️ | 18.1 | 5.1 | 14.2❄️ | 23.3 |
| August | 2.7 | 11.9 | 21 | 5.9 | 15.8 | 25.7 |
| September | 3.8 | 14.8 | 25.7 | 8.4 | 19.1 | 29.8 |
| October | 5.2 | 17.8 | 30.4 | 11.2 | 22.1 | 32.9 |
| November | 7.1 | 21 | 34.9 | 13.9 | 24.1 | 34.2 |
| December | 9.2 | 23.4 | 37.6 | 15.9 | 25.7 | 35.5 |
| Annual Avg | 6.4 | 18 | 29.6 | 11.6 | 20.9 | 30.1 |
Min / mean / max temperature (°C). 🔥 marks each city's hottest month, ❄️ its coldest; shading runs cool blue to warm red.
The same figures plotted out, so the shape of a typical year is easier to see than in a grid. Where the two lines run close together Adelaide and Gold Coast feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Adelaide Gold Coast
See how Adelaide and Gold Coast stack up against other cities. Swipe for more.
Choose which city to keep, then search for any other city in our database — we'll build the comparison for you.
Quick answers to the questions people ask most when comparing Adelaide and Gold Coast — each drawn straight from the climate figures above.
Gold Coast is the warmer of the two. It averages daytime highs of 30.1°C (86.2°F) against 29.6°C (85.3°F) in Adelaide — roughly 0.5°C (0.9°F) warmer by day. Nights are milder in Gold Coast, with average lows of 11.6°C (52.9°F) versus 6.4°C (43.5°F).
Adelaide is hottest in January, averaging highs of about 40.1°C (104.2°F), while Gold Coast peaks in December at around 35.5°C (95.8°F). That makes Adelaide the hotter of the two at the height of summer.
Adelaide gets colder. In its coldest month (July) overnight lows average about 2.1°C (35.8°F), compared with 5.1°C (41.1°F) at the low point of the year in Gold Coast.
Gold Coast is the wetter city, collecting about 1,227 mm (48.3 in) of rain a year versus 453 mm (17.8 in) in Adelaide. Adelaide is wettest in July and driest in February; Gold Coast is wettest in February and driest in September.
Gold Coast is the more humid of the two, averaging 72% relative humidity over the year against 65% in Adelaide.
The most comfortable months in Adelaide are March, April and November, when average temperatures are at their mildest.
Gold Coast is at its most pleasant around April, September and October, based on the mildest average temperatures of the year.
Gold Coast is the warmer city in all 12 months of the year. The gap is widest in September, about 4.3°C (7.7°F), and narrowest in January, about 1.1°C (2°F).
Adelaide has the bigger seasonal swing, about 15.5°C (27.9°F) between its coldest and hottest months versus 12.5°C (22.5°F) in Gold Coast — so Gold Coast has the steadier, more even climate.
It depends what matters most to you: choose Gold Coast for warmer weather, pick Adelaide if you prefer drier conditions and go for Adelaide if you want lower humidity. There is no single "better" climate — it comes down to whether you value warmth, dryness or comfort most.
Every figure on this page is calculated from NASA POWER satellite climate data spanning 1981–2025 (45 years). The averages describe the long-term climate of Adelaide and Gold Coast, not a single year's weather or a short-range forecast.
