What is the weather like in Perth in May?

Expect temperatures between 13°C and 21°C with 18% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Perth in May?

Perth in May scores 66/100 based on 30 years of climate data. Great time to visit - recommended.

Who should visit Perth in May?

May in Perth is ideal for: Families with children, Elderly travelers, Outdoor enthusiasts, Photographers, Cultural tourists.

Perth Weather in May | 30-Year Forecast

Avg High

21°C

Hottest around day 1

Avg Low

13°C

Coolest around day 26

Rainy Days

4days

18% avg rain chance

Sunshine

8hrs/day

Spring season

Sea Temperature in May

Indian Ocean

19.8°C

Monthly Average

Water Feel

🏊Pleasant

Comfortable for most swimmers

Swim Rating

👍Good for swimming

Based on average sea surface temperature

Body of Water

Indian Ocean

Perth coastline

Essential Travel Info for Perth

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

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

unlock smart flight estimates

Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

55/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

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 May a Good Time to Visit Perth?

👍Great time to visit - recommended(66/100)

Short Answer

Perfect travel weather awaits in Perth during May - 21°C highs, 69% humidity, and 18% rain probability make this an optimal time for outdoor activities.

Decision Factors

Vaccinations required

Yellow Fever

Ideal temperature range

21.4°C - perfect for sightseeing and outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Dengue

Plenty of sunshine

8.6h of sunshine daily

Shoulder season - balanced conditions

72% of peak - good value with moderate crowds

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 21.4°C temperatures and low 18% rain risk
👴
Elderly travelers
Comfortable 21.4°C temperature range with manageable humidity
🥾
Outdoor enthusiasts
Ideal hiking conditions: 21.4°C, 18% rain chance
📸
Photographers
8.6h sunshine, 56% clear skies for golden hour shots
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites

Who Should Avoid

Suitable for most traveler types

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Perth in May averages 21°C with 18% precipitation probability."

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

Frequently Asked Questions: Perth in May

What are the temperatures in Perth in May?

Daytime highs average 21°C, nights drop to 13°C. Temperatures remain fairly consistent.

How many rainy days in Perth in May?

Expect around 4 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Perth in May?

Comfortable casual wear with a light jacket for evenings.

Is May peak season in Perth?

This is typically peak season with higher prices. Book 2-3 months ahead.

Perth Weather in May

Sea Temperature in May

Perth May Weather Calendar

Essential Travel Info for Perth

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis B

Japanese Encephalitis

Measles

Rabies

Yellow Fever

Is May a Good Time to Visit Perth?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Perth in May

What are the temperatures in Perth in May?

How many rainy days in Perth in May?

What to wear in Perth in May?

Is May peak season in Perth?