Western Australia Weather Forecast
Western Australia weather: 66°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Western Australia weather in December
Weather map for Western Australia
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Climate in Western Australia month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 106° | 83° | 0,5 in | ★★★★☆ |
| February | 105° | 81° | 0,4 in | ★★★★☆ |
| March | 98° | 76° | 0,7 in | ★★★★☆ |
| April | 91° | 69° | 0,4 in | ★★★★★ |
| May | 81° | 58° | 0,1 in | ★★★★★ |
| June | 73° | 52° | 1,3 in | ★★★★☆ |
| July | 72° | 48° | 0,3 in | ★★★★☆ |
| August | 78° | 55° | 0,5 in | ★★★★★ |
| September | 85° | 60° | 0,4 in | ★★★★★ |
| October | 94° | 67° | 0,1 in | ★★★★★ |
| November | 98° | 73° | 0,6 in | ★★★★☆ |
| December | 103° | 79° | 0,6 in | ★★★★☆ |
Climate type: Hot and arid. Source: Open-Meteo archive (ERA5).
Best time to visit Western Australia
Go in April, May, June, July, August, September, October and November. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 71°F, so mornings feel nothing like afternoons
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
See the Western Australia forecast by time range
Western Australia weather - more answers
Explore Western Australia
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Western Australia?
Western Australia is a state in Australia. Its coordinates are -25.0424, 117.7936. It lies in Oceania.
What is the weather like in Western Australia right now?
It is currently 66°F (19°C) with clear. Humidity is 32% and wind is 13 mph.
When is the best time to visit Western Australia?
April, May, June, July, August, September, October and November offer the most comfortable conditions in Western Australia, which has a hot and arid climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Western Australia in?
Western Australia observes Australia/Perth (UTC+08:00). The local time is 5:40 AM.
How many people live in Western Australia?
Western Australia has a population of approximately 2.9 million.
What is the nearest airport to Western Australia?
The closest airports are Perth Airport (PER), 489 mi away.
What places are in Western Australia?
Western Australia covers 2 places in this atlas, including Perth and Margaret River.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (au-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 26, 2026 at 5:40 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
