30YearWeather
Port Douglas, July 18
Port Douglas street view during July
Historical Weather Analysis

Port Douglas Weather on July 18 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

23.2°C

High

18.4°C

Low

14%

Rain

☀️ Feels like 23.8°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

July 18 is statistically one of the best days of the year in Port Douglas. With minimal rain risk (14%) and pleasant highs of 23°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Port Douglas right now—this is when the city truly comes alive with visitors.

Currency

AUD

$ Australian dollar

Language

English

Driving

Left side

Safety

High Safety

GPI: 1.565

Port Douglas Weather Forecast for July 18

"Mild & Comfortable. Expect average highs of 23.2°C. 14% chance of rain."

What to Wear in Port Douglas in July

Based on historical data for July 18, Port Douglas typically experiences temperatures between 18.4°C and 23.2°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (14% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Port Douglas

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

23.2°C

Daytime Peak

Average Low

extreme-cold

18.4°C

Nighttime Low

Feels Like

partly-cloudy-day

23.8°C

☀️ Feels accurate

Rain Chance

rain

14%

Avg 0.8mm if it rains

Cloud Cover

cloudy

50%

Overcast

Pressure

pressure

1016.5 hPa

Low volatility

Port Douglas Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

83%Highly Predictable

Based on 10 years of data

Temperature
±1.5°CStable
Precipitation
7-50%Unpredictable

🎯 This date historically delivers consistent weather 83% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.5Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 160 min to burn

Type III-IV

🟡 240 min to burn

Type V-VI

🟢 400 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

79Good
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

19.3°C

Noticeable

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
23.9°C
🏊 Swimming Pool
Avg daily surface temperature
Surf Conditions
0.85m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Australia

Flight Traffic

High

100/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~80

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Port Douglas

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:47

☀️ Noon

12:25

🌇 Sunset

18:02

⏱️ Daylight

11h 14m

Golden Hour
Morning06:47 - 07:18
17:31 - 18:02Evening

Wind Speed

wind

15.4 km/h

Gentle breeze

Sunshine

clear-day

9.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

79%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Port Douglas

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Port Douglas

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

89/100

Tourist Crowds

🔴 Very Busy

95/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1016.5 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
23AQI
Good
PM2.5 Concentration3.3 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Port Douglas on July 18 averages 23.2°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 100/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Port Douglas Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2021
25.7°C
Coldest
2024
15.7°C
Rainiest
2016
20.4mm

Compare Other Cities

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📍 Is Port Douglas Worth Visiting on July 18?

Planning a trip to Port Douglas on July 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 23.2°C with a 14% historical precipitation risk.

✈️ Travel Logistics: Approximately 80 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 6 vaccinations are recommended for Australia, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 23.9°C (swimming pool). Wave conditions are generally fun waves with heights around 0.85m.

📊 Historical Extremes: The hottest July 18 recorded in the last 30 years saw temperatures hit 25.7°C in 2021, while the coldest dropped to 15.7°C in 2024.

Port Douglas Weather FAQ