Weather in Melbourne 🇦🇺
Monthly weather averages & travel planning
December
Avg Temp
23°C
Rain Days
8 days
Sun Hours
12 hrs
Humidity
65%
Oceania › 🇦🇺 Australia › Melbourne
Updated: March 2026
Is December a Good Time to Visit Melbourne?
7/10
Good
December is a good time to visit Melbourne (7/10). With 12 daily sunshine hours and only 8 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 2nd sunniest of the year in Melbourne. Culture-focused travellers and those who prefer lighter crowds will find December a practical choice, with prices running lower than peak January without sacrificing all the good weather. November offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Melbourne's popular sites are busiest between 10am and 3pm regardless of season. Arriving at opening time or after 4pm makes a significant difference to the experience. Planning tips: accommodation is generally available without long lead times, and flight prices are typically lower than peak season. Flexible travellers will find the best deals by booking 2-4 weeks ahead. Mid-week arrivals consistently unlock lower hotel rates than weekend check-ins.
vs November:21°C avg high
Based on 30-year climate normals (1991 to 2020), December in Melbourne averages 23°C by day and 13°C overnight, a range that places it firmly in the warmer tier of the annual calendar. The month records approximately 12 sunshine hours per day and 59mm of total rainfall across 8 wet days, giving it a sunshine-to-rain ratio that is broadly workable for most itineraries.
23°C
73°F
Avg High
13°C
55°F
Avg Low
8 days
59 mm total
Rain Days
12h
per day avg
Sunshine
65%
Moderate
Humidity
Temperature in Melbourne in December
The 10°C day-night temperature range is typical for continental climates: a light jacket in the morning that you shed by midday and need again after sunset. Humidity averages 65%, which is comfortable for most visitors. On warmer days, lighter fabrics help with the mild stickiness in the afternoon. UV index averages 9 this month, classed as high to very high. SPF 30+ sunscreen, a brim hat, and sunglasses are not optional between 10am and 4pm. Wind averages 22 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 73°F average high, 55°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Temperature Trends
High
Low
Rainfall (mm)
0-20 mm21-50 mm51-100 mm100+ mm
What to Wear in Melbourne in December
Morning13°CBefore the day warms up
Afternoon23°CPeak daytime temperature
Evening16°CAfter sunset cools down
Packing for Melbourne in December means dressing for 23°C days and 13°C evenings. A light cotton tee with a casual overshirt works well at 23°C, the overshirt doubles as a layer for air-conditioned venues. Evening temperatures settle at 13°C, a modest 10°C drop that a light cardigan or denim jacket covers. Comfortable walking trainers are the versatile choice for both outdoor sightseeing and indoor venues.
Local tip: Layers are more practical than a single heavy garment in Melbourne. The day-to-evening temperature shift rewards packing a versatile mid-layer you can add or remove as conditions change.
Events in Melbourne in December
December has no major festivals or public holidays in Melbourne, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.
What to Pack for Melbourne in December
Based on 23°C average highs and 8 rainy days
- Light layers for morning and evening
- Breathable T-shirts and comfortable trousers
- UV-protective sunglasses
- SPF 30+ sunscreen
- Comfortable walking shoes (a second pair lets the first air out overnight)
- Universal travel adapter
- Small day pack for city exploration
- Reusable water bottle
Best Activities in Melbourne in December
- Explore outdoor markets and street food stallsMid-morning (10am-12pm)At 23°C, the temperature is ideal for extended walking without overheating
- Guided walking tour of the historic centreMorning or late afternoonComfortable temperatures allow several hours on foot without fatigue
- Visit rooftop viewpoints and observation decksGolden hour (1 hour before sunset)Warm clear evenings provide exceptional visibility for panoramic photography
- Day trip to the surrounding countryside or coastFull day (depart by 8am)December is reliably dry enough for rural day trips without weather risk
- Afternoon in a world-class museum or galleryAfternoon (2-5pm)Pairs well with outdoor morning activities and provides a mid-day rest from sightseeing
- Coffee-house or traditional cafe culture experienceMid-morning or post-lunchA cultural ritual in this region that rewards slow appreciation regardless of weather
- Evening live music, theatre, or opera performanceEvening shows typically at 7-9pmConsistent evening temperatures make getting to and from evening venues comfortable
- Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningDecember brings distinct seasonal changes to public green spaces worth exploring
- Try the seasonal farmer's market for local produce and street foodSaturday morning markets typically 8am-1pmDecember seasonal produce is at peak availability, offering dishes not found at other times of year
Why is Melbourne mild in December?
December in Melbourne reflects a mid-latitude climate pattern, with temperatures averaging 23°C by day and 13°C overnight. The city sits at 38 degrees south latitude, where the balance between solar radiation and heat loss drives conditions that are neither extreme nor static. Conditions occupy the comfortable middle band of the annual temperature range, where outdoor activity is feasible without the extremes of midsummer heat or midwinter cold. Day-to-night temperature variation of 10°C is moderate and manageable with a single mid-layer. Climate data: Open-Meteo ERA5 (1991–2020).
Sunshine Hours
The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.
UV Index
A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate, wear sunscreen. UV 6-7: High, hat and SPF 30+ essential. UV 8-10: Very High, limit midday exposure. UV 11+: Extreme, seek shade between 10am-4pm.
Rain Days
A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.
Humidity
Relative humidity as a percentage. Below 40%: Dry, skin and throat may feel parched. 40-60%: Comfortable, ideal for most people. 60-80%: Sticky, light breathable fabrics recommended. Above 80%: Muggy, heat feels more intense; quick-dry clothing is essential.
Frequently Asked Questions
Melbourne in December
In December, Melbourne experiences average highs of 23°C (73°F) and lows of 13°C (55°F). Expect around 8 rainy days and 12 hours of sunshine per day, with humidity averaging 65%. The 10°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 9, so sun protection is advisable on clear days.
Melbourne typically sees 8 rainy days in December, with total precipitation of around 59mm. Rain is moderate and manageable. Showers tend to pass quickly, and a light rain layer or foldable umbrella is sufficient protection for most days. For context, the driest month in Melbourne typically sees 4-6 fewer rain days than December.
Pack light layers, a light jacket for evenings, comfortable walking shoes, and sunscreen for Melbourne in December. Daytime temperatures of 23°C are pleasant, but the evening drop to 13°C means a jacket is essential if you plan to be out after dark. Rain is infrequent with only 8 wet days, so a light rain layer is optional. Comfortable walking shoes are a priority given the amount of ground most visitors cover.
Yes, December is an excellent time to visit Melbourne. With 12 daily sunshine hours and only 8 rainy days, conditions are ideal for sightseeing and outdoor activities. Temperatures averaging 23°C during the day are comfortable for long walks and outdoor dining. This is peak travel season, so booking accommodation in advance and arriving at popular attractions early in the morning helps avoid the busiest periods.
The average high temperature in Melbourne in December is 23°C (73°F), and the average low is 13°C (55°F). The mean daily temperature is approximately 18°C (64°F). The day-to-night range of 10°C is moderate, meaning a single light jacket covers most situations. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Melbourne is generally January. January offers the most sunshine at 12 hours per day and only 6 rainy days. Average temperatures reach 26°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around January gives you the best chance of dry, bright weather.
December is shoulder or low season in Melbourne, meaning fewer tourists and generally lower prices than peak months. With 12 sunshine hours and 8 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In December, Melbourne suits a range of activities thanks to mild temperatures around 23°C. Mix of indoor and outdoor activities works well given the moderate chance of rain. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 12 hours of sunshine, parks and waterfront walks are particularly enjoyable.
December ranks 2nd sunniest of the year in Melbourne, with an average 12 daily sunshine hours. The driest months are January, February, and March. January is the hottest month (26°C avg high); July is the coolest (13°C). From here, temperatures rise 3°C into January. Compared to last month (November: 21°C high, 9 rain days), December is warmer and drier. December is among the top three sunniest months to visit Melbourne.
Year-Round Climate
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 26°C | 15°C | 6 | 12h | View |
| February | 25°C | 15°C | 6 | 11h | View |
| March | 23°C | 14°C | 6 | 10h | View |
| April | 20°C | 11°C | 7 | 9h | View |
| May | 16°C | 9°C | 9 | 8h | View |
| June | 14°C | 7°C | 10 | 7h | View |
| July | 13°C | 7°C | 11 | 7h | View |
| August | 14°C | 7°C | 11 | 8h | View |
| September | 16°C | 8°C | 12 | 9h | View |
| October | 19°C | 10°C | 10 | 10h | View |
| November | 21°C | 12°C | 9 | 11h | View |
| December | 23°C | 13°C | 8 | 12h | View |
January
6 rain days, 12h sun
26°15°
February
6 rain days, 11h sun
25°15°
March
6 rain days, 10h sun
23°14°
April
7 rain days, 9h sun
20°11°
May
9 rain days, 8h sun
16°9°
June
10 rain days, 7h sun
14°7°
July
11 rain days, 7h sun
13°7°
August
11 rain days, 8h sun
14°7°
September
12 rain days, 9h sun
16°8°
October
10 rain days, 10h sun
19°10°
November
9 rain days, 11h sun
21°12°
December
8 rain days, 12h sun
23°13°
Other Months in Melbourne
Plan Your Trip to Melbourne
Data Sources for Melbourne
Climate normals represent 30-year averages (1991-2020). Individual years may vary.