Weather: Sydney — December
Conditions are pleasant for sightseeing, though you might encounter occasional showers. Recommended month to visit.
👍 Climate Overview
December is a good time to visit Sydney. Warm weather with highs of 27°C—great for outdoor activities. Rain is common, so pack an umbrella. Temperatures vary significantly between day and night—layering is recommended. As peak season, expect higher prices and more tourists. Sea temperature of 21°C is refreshing but swimmable.
Based on weather comfort, crowds, prices, and activity options
27°C
17°C
10days
14.4h
60mm
11h/day
69%
Humid9.3
Very High19 km/h (gusts 42)
21°C 💧 Refreshing
Is December a good time to visit Sydney?
Conditions are pleasant for sightseeing, though you might encounter occasional showers.
Now
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Air Quality
Travel Context
- CrowdsModerate
- Travel Costs Peak Rates
Daylight
05:39
20:02
Visiting Sydney in December: Pros & Cons
Pros
- Comfortable temperatures for sightseeing
- Abundant sunshine for beach and outdoor fun
- Long daylight hours maximize sightseeing time
Cons
- Peak season — expect crowds and higher prices
- Very high UV — sunscreen and shade essential
Things to Do in December
Events & Festivals
Recommended for This Weather
Sydney Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 27°C | 19°C | 13d (86mm) | 10.2h | 74% Humid | 8.4 Very High | | Wet |
| Feb | 27°C | 19°C | 13d (120mm) | 9.9h | 75% Humid | 7.7 Very High | | Wet |
| Mar | 26°C | 17°C | 15d (146mm) | 8.9h | 77% Humid | 6.2 High | | Excellent |
| Apr | 23°C | 13°C | 10d (80mm) | 8.9h | 76% Humid | 5.4 High | | Excellent |
| May | 20°C | 10°C | 10d (79mm) | 8.2h | 77% Humid | 4.1 Moderate | | Excellent |
| Jun | 17°C | 7°C | 5d (35mm) | 8h | 74% Humid | 3.8 Moderate | | Good |
| Jul | 17°C | 7°C | 9d (93mm) | 8h | 73% Humid | 3.9 Moderate | | Good |
| Aug | 19°C | 8°C | 8d (60mm) | 8.8h | 71% Humid | 5.2 High | | Good |
| Sep | 22°C | 10°C | 8d (43mm) | 10h | 65% Humid | 7.1 Very High | | Excellent |
| Oct | 24°C | 13°C | 11d (69mm) | 10.2h | 67% Humid | 8 Very High | | Excellent |
| Nov | 25°C | 15°C | 10d (70mm) | 10.4h | 70% Humid | 8.8 Very High | | Excellent |
| Dec Current | 27°C | 17°C | 10d (60mm) | 11h | 69% Humid | 9.3 Very High | | Good |
Sydney
Iconic Opera House with Sydney Opera House tour and Bondi Beach & coastal walk, harbor bridge, world-class beaches, and outdoor lifestyle.
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What to Pack for December
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
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Frequently Asked Questions
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