30YearWeather
Perth in January
Perth weather in January - Australia
☀️Hot & Sunny

Perth Weather in January

Plan your January trip to Perth, Australia. Based on 30 years of NASA data, expect temperatures of 31°C (high) to 19°C (low), with 2% rain probability and 8 hours of daily sunshine. The Indian Ocean averages 24°C in January. Great conditions with only 0 rainy days expected.

Avg High
31°C

Hottest around day 28

Avg Low
19°C

Coolest around day 2

Rainy Days
0days

2% avg rain chance

Sunshine
8hrs/day

Winter season

Sea Temperature in January

Indian Ocean

24.3°C

Monthly Average

Water Feel
☀️Warm

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Indian Ocean

Perth coastline

Perth January Weather Calendar

Click any day to see detailed weather information

Currency

AUD

$ Australian dollar

Language

English

Driving

Left side

Safety

High Safety

GPI: 1.565

Travel Intelligence

Exclusive flight analytics & health data for Perth

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
55/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

Jul

Low

Nov

Monthly Traffic Distribution

200
Jan
119
Feb
119
Mar
201
Apr
179
May
121
Jun
248
Jul
184
Aug
224
Sep
220
Oct
112
Nov
225
Dec
Traffic Level
Low Season

Key Connections

Melbourne (MEL)
Sydney Kingsford Smith (SYD)
Denpasar-Bali Island Ngurah Rai (Bali) (DPS)
Karatha Karratha (KTA)
Brisbane City Brisbane (BNE)

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Australia. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Australia.

Japanese Encephalitis

Japanese encephalitis is mainly a concern in the Murray River, and the Outer Torres Strait Islands area.Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or traveling at times outside of the Japanese encephalitis season.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Australia.If rabies exposures occur while in Australia, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Direct travel from United States: Vaccine isnotrequired.Travel from countries with risk for YF virus transmission: Vaccine isrequiredfor travelers ≥1 year old; this includes >12-hour airport transits or layovers in countries with risk for YF virus transmission.3Updated April 23, 2025See footnotes

Source: CDC Travelers' Health

View Complete Health Guide

Is January a Good Time to Visit Perth?

👍Great time to visit - recommended
Short Answer

Dry desert January in Perth: expect 31°C daytime peaks, but the low 52% humidity makes it more bearable than tropical heat. Sunrise and sunset activities recommended.

Decision Factors

Vaccinations required

Yellow Fever

Excellent dry conditions

Only 2% rain probability - ideal for outdoor activities

Pleasant swimming conditions

24.3°C sea temperature

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Dengue

Plenty of sunshine

12.6h of sunshine daily

Shoulder season - balanced conditions

81% of peak - good value with moderate crowds

Good For

  • 🏖️
    Beach lovers

    24.3°C warm seas and 2% rain probability

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 30.7°C temperatures and low 2% rain risk

  • 📸
    Photographers

    12.6h sunshine, 78% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 89/100 with romantic weather conditions

Who Should Avoid

  • 🌡️
    Heat-sensitive visitors

    33°C feels-like temperature creates discomfort

930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Perth in January averages 31°C with 2% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Perth in January

What are the temperatures in Perth in January?

Daytime highs average 31°C, nights drop to 19°C. Temperatures remain fairly consistent.

How many rainy days in Perth in January?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Perth in January?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is January peak season in Perth?

This is shoulder season—moderate prices and manageable crowds.