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Australia weather

Weather in Perth for January 2026

Your guide to Perth weather in January - trends and predictions

    Temperatures

  • Until now, January 2026 in Perth is cooler than usual, with temperatures averaging 29 °C, this is -3.5 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Perth with the forecast suggesting a temperature of 30.9 °C, lower than the historical average.

  • In general, the average temperature in Perth at the beginning of January is 33 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 31.1 °C by the end of January.

    • Rain 🌧️

  • Precipitation in Perth during January is a rare event, with an average of fewer than 2 rainy days.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
33°/20°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
43 %
Avg humidity

Perth Weather January

Move between months or click on a day
December
February
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
33°
2
Sunny
32°
3
Sunny
32°
4
Sunny
33°
5
Sunny
34°
6
Sunny
33°
7
Sunny
34°
8
Sunny
33°
9
Sunny
32°
10
Overcast
31°
11
Sunny
32°
12
Sunny
33°
13
Sunny
31°
14
Sunny
31°
15
Sunny
32°
16
Sunny
33°
17
Sunny
31°
18
Partly cloudy
32°
19
Partly cloudy
35°
20
Sunny
38°
21
Sunny
37°
22
Sunny
35°
23
Sunny
32°
24
Sunny
30°
25
Sunny
29°
26
Sunny
29°
27
Sunny
29°
28
Sunny
32°
29
Sunny
36°
30
Sunny
30°
31
Sunny
33°

Temperatures trend during January in Perth

See the weather trend as well as the moving average line

January weather in Perth day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
1 Jan. Sunny
Sunny
 33° /19° 0.1 mm 11
2 Jan. Sunny
Sunny
 32° /18° 0 mm 11
3 Jan. Sunny
Sunny
 32° /19° 0 mm 11
4 Jan. Sunny
Sunny
 33° /18° 0 mm 12
5 Jan. Sunny
Sunny
 34° /19° 0 mm 12
6 Jan. Sunny
Sunny
 33° /20° 0.2 mm 12
7 Jan. Sunny
Sunny
 34° /20° 0.1 mm 12
8 Jan. Sunny
Sunny
 33° /20° 0 mm 12
9 Jan. Sunny
Sunny
 32° /18° 0 mm 11
10 Jan. Overcast
Overcast
 31° /17° 0 mm 11
11 Jan. Sunny
Sunny
 32° /17° 0.1 mm 11
12 Jan. Sunny
Sunny
 33° /19° 1 mm 11
13 Jan. Sunny
Sunny
 31° /18° 0 mm 11
14 Jan. Sunny
Sunny
 31° /19° 0 mm 11
15 Jan. Sunny
Sunny
 32° /18° 0 mm 11
16 Jan. Sunny
Sunny
 33° /19° 0 mm 11
17 Jan. Sunny
Sunny
 31° /19° 0.4 mm 11
18 Jan. Partly cloudy
Partly cloudy
 32° /19° 0.1 mm 11
19 Jan. Partly cloudy
Partly cloudy
 35° /21° 0 mm 12
20 Jan. Sunny
Sunny
 38° /23° 0 mm 12
21 Jan. Sunny
Sunny
 37° /23° 0 mm 12
22 Jan. Sunny
Sunny
 35° /22° 0 mm 12
23 Jan. Sunny
Sunny
 32° /20° 0 mm 12
24 Jan. Sunny
Sunny
 30° /18° 0.1 mm 11
25 Jan. Sunny
Sunny
 29° /17° 0.2 mm 9
26 Jan. Sunny
Sunny
 29° /17° 0.2 mm 10
27 Jan. Sunny
Sunny
 29° /17° 0 mm 11
28 Jan. Sunny
Sunny
 32° /16° 0 mm 11
29 Jan. Sunny
Sunny
 36° /20° 0 mm 12
30 Jan. Sunny
Sunny
 30° /22° 0 mm 3.5
31 Jan. Sunny
Sunny
 33° /21° 0 mm 3.5
Next
Important Notice
Our weather forecast for Perth in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Perth forecast closer to your planned date for the most up-to-date weather information.
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Perth in January - FAQ

What are the expected maximum and minimum temperatures in Perth during January?

Expect warm days with temperatures around 33°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in Perth during January?

Rainfall in Perth during January is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.

What are the typical wind conditions in Perth during January?

The average wind speed in Perth during January is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Perth during January

Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️

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Get accurate weather forecasts for Perth, located at latitude -31.952 and longitude 115.861. Stay updated with localized weather information tailored for Perth.

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