Climate guide for Perth, Australia

Perth in January

Weather, crowds & best time to visit

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January · Australia

Best time to visit Perth in January Weather, crowds & prices

Weather in Perth in January

Average temperature 25°C, 1 mm of rain, about 31 days with 6+ hours of sunshine and 51% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

8.6/10

Ranked #8 of 12 months

Full year for Perth
Avg temp
25°C
Rainfall
1 mm
Humidity
51%
Days with 6h+ sun
31
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

January in Perth scores 8.6/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 25°C, 1 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Perth spreads along the Swan River, with Kings Park, Indian Ocean beaches, and Rottnest Island close by.

January is one of the strongest months in Perth (8th)

January averages 25°C (77°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Rain is a non-issue at 1 mm for the month, with about 31 days with 6+ hours of sunshine and 14 hours of daylight to work with.

A 8.6/10 puts this among the year's best months in Perth (8th of 12); only November scores higher, at 10/10.

Pack light clothing, a hat and real sun protection.

Plan for mid-season pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Perth in January?
In January, Perth averages 25°C, 1 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 8.6/10.
Is January a good time to visit Perth?
January earns a 8.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Perth in January?
Expect about 1 mm of rain in January. Average humidity is 51% and there are about 31 days with 6+ hours of sunshine.

Curated in Perth

Tickets & experiences

Things to do in Perth

Perth, Australia. Live activities and tours from GetYourGuide, matched to this destination.