30YearWeather
Melbourne, December 15
Melbourne street view during December
Historical Weather Analysis

Melbourne Weather on December 15 — Best Time to Visit?

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

clear-day

24°C

High

13.2°C

Low

17%

Rain

☀️ Feels like 24.5°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

December 15 is generally a great time to visit Melbourne. While there is a slight chance of rain (17%), showers are usually brief. Expect comfortable 24°C weather. Melbourne is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

AUD

$ Australian dollar

Language

English

Driving

Left side

Connect

The main post office in Melbourne's CBD ...

Safety

High Safety

GPI: 1.565

Melbourne Weather Forecast for December 15

"Mild & Comfortable. Expect average highs of 24°C. 17% chance of rain."

What to Wear in Melbourne in December

Based on historical data for December 15, Melbourne typically experiences temperatures between 13.2°C and 24°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (17% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Melbourne

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

24°C

Daytime Peak

Average Low

extreme-cold

13.2°C

Nighttime Low

Feels Like

partly-cloudy-day

24.5°C

☀️ Feels accurate

Rain Chance

rain

17%

Avg 0.8mm if it rains

Cloud Cover

cloudy

56%

Overcast

Pressure

pressure

1012.8 hPa

Medium volatility

Melbourne Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

64%Moderately Predictable

Based on 10 years of data

Temperature
±5.7°CVariable
Precipitation
9-30%Predictable

~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

5.8Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 20:00

Time to Sunburn

Type I-II

🔴 14 min to burn

Type III-IV

🟡 21 min to burn

Type V-VI

🟢 35 min to burn

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

Outdoor Comfort

How pleasant is it outside?

91Excellent
TemperatureWarm
HumidityHumid
WindBreezy

Dew Point

17°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
20.2°C
🥃 Refreshing Tonic
Avg daily surface temperature
Surf Conditions
0.68m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

⚠️ Mixed 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

~495

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Melbourne

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:53

☀️ Noon

13:16

🌇 Sunset

20:39

⏱️ Daylight

14h 45m

Golden Hour
Morning05:53 - 06:32
19:59 - 20:39Evening

Wind Speed

wind

20 km/h

Moderate wind

Sunshine

clear-day

11.6 hrs

Direct Sun (Cloud-free)

Humidity

humidity

65%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Melbourne

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 Melbourne

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

86/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1012.8 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
36AQI
Good
PM2.5 Concentration10.6 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, Melbourne on December 15 averages 24°C with a 17% precipitation probability. Wedding/Outdoor Event Score: 97/100."

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

Melbourne Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2020
33.1°C
Coldest
2025
10.1°C
Rainiest
2018
10.8mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (December 15) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Melbourne Worth Visiting on December 15?

Planning a trip to Melbourne on December 15? 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 24°C with a 17% historical precipitation risk.

✈️ Travel Logistics: Approximately 495 landing slots available daily during this period, indicating peak tourist activity.

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

🌊 Coastal Conditions: Water temperature averages 20.2°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.68m.

📊 Historical Extremes: The hottest December 15 recorded in the last 30 years saw temperatures hit 33.1°C in 2020, while the coldest dropped to 10.1°C in 2025.

Melbourne Weather FAQ