Perth in January
In January, Perth averages 30°C (86°F) during the day and 19°C (66°F) at night, with only about 4 rainy days.
High seasonConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
January in Perth is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How January compares to the rest of the year in Perth
January is one of the warmest months in Perth (1st of 12) and one of the driest months (11th of 12). Daytime temperature runs 7°C above the annual average (23°C). January runs 2°C warmer than December (29°C) and stays flat into February.
January sunrise & sunset in Perth
Times shown for Perth local time (Australia/Perth), calculated for the 15th of January. They shift by a few minutes day to day across the month.
Photography light in Perth — January
Golden-hour and blue-hour windows for the 15th of January, in Perth's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Perth in January
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (High season) and Perth's popularity.
Crowds & pricing — January in Perth
This is a busy month in Perth — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather Southern Hemisphere summer holidays
Sun & mosquito risk — January in Perth
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Perth in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 86°F | 19°C / 66°F | 23 mm | 4 | — |
| February | 30°C / 86°F | 19°C / 66°F | 24 mm | 5 | — |
| March | 28°C / 83°F | 18°C / 65°F | 39 mm | 8 | — |
| April | 24°C / 75°F | 15°C / 59°F | 39 mm | 10 | — |
| May | 21°C / 69°F | 12°C / 54°F | 78 mm | 12 | — |
| June | 18°C / 65°F | 11°C / 51°F | 102 mm | 15 | — |
| July | 17°C / 63°F | 10°C / 51°F | 112 mm | 20 | — |
| August | 18°C / 64°F | 10°C / 50°F | 96 mm | 17 | — |
| September | 19°C / 67°F | 11°C / 51°F | 46 mm | 15 | — |
| October | 22°C / 71°F | 13°C / 55°F | 38 mm | 12 | — |
| November | 25°C / 78°F | 15°C / 59°F | 18 mm | 8 | — |
| December | 29°C / 83°F | 18°C / 64°F | 8 mm | 4 | — |
Other cities with similar January weather
🌍 See the full ranked list of climate twins for Perth in January →
Frequently asked questions
How hot is Perth in January?
In January, Perth averages a high of 30°C (86°F) and a low of 19°C (66°F) — generally hot.
Does it rain a lot in Perth in January?
January is generally dry in Perth, with about 4 rainy days on average.
Is January a good time to visit Perth?
January is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Perth in January?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full January packing list for Perth for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.