Weather: Cairns — December
It's a rainy period, but great for indoor activities, museums, and lower prices. Recommended month to visit.
☔ Climate Overview
December is a wet time to visit Cairns. Hot conditions with temperatures reaching 30°C—stay hydrated and seek shade. This is one of the wettest months—waterproof gear is essential. As peak season, expect higher prices and more tourists. Sea temperature of 29°C is perfect for swimming.
Based on weather comfort, crowds, prices, and activity options
30°C
25°C
17days
13.1h
Feels like 36°C / 30°C — humidity makes it feel warmer
360mm
10.2h/day
83%
Very Muggy8.5
Very High15 km/h (gusts 36)
29°C 🏊 Comfortable
Is December a good time to visit Cairns?
It's a rainy period, but great for indoor activities, museums, and lower prices.
Now
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Air Quality
Travel Context
- CrowdsVery Quiet
- Travel Costs Shoulder Rates
Daylight
05:39
18:46
Visiting Cairns in December: Pros & Cons
Pros
- Abundant sunshine for beach and outdoor fun
- Warm sea perfect for swimming and snorkeling
Cons
- Frequent rain may disrupt outdoor activities
- Peak season — expect crowds and higher prices
- High humidity makes the heat feel oppressive
- Very high UV — sunscreen and shade essential
Things to Do in December
Recommended for This Weather
Cairns Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 31°C | 26°C | 24d (449mm) | 9h | 85% Very Muggy | 7.6 Very High | | Wet |
| Feb | 31°C | 26°C | 22d (400mm) | 8.7h | 86% Very Muggy | 7.2 Very High | | Wet |
| Mar | 30°C | 25°C | 20d (242mm) | 9.3h | 85% Very Muggy | 7.4 Very High | | Wet |
| Apr | 29°C | 24°C | 16d (190mm) | 9.6h | 84% Very Muggy | 6.7 High | | Excellent |
| May | 26°C | 22°C | 12d (65mm) | 9.7h | 83% Very Humid | 6 High | | Excellent |
| Jun | 25°C | 21°C | 8d (31mm) | 9.4h | 82% Very Humid | 5.4 High | | Excellent |
| Jul | 25°C | 20°C | 7d (41mm) | 9.6h | 81% Very Humid | 5.7 High | | Excellent |
| Aug | 25°C | 20°C | 8d (38mm) | 9.9h | 79% Humid | 6.8 High | | Excellent |
| Sep | 26°C | 21°C | 9d (32mm) | 10.6h | 80% Very Humid | 7.9 Very High | | Excellent |
| Oct | 29°C | 23°C | 6d (20mm) | 11.6h | 79% Muggy | 9.6 Very High | | Excellent |
| Nov | 30°C | 24°C | 9d (56mm) | 11.7h | 79% Muggy | 9.7 Very High | | Good |
| Dec Current | 30°C | 25°C | 17d (360mm) | 10.2h | 83% Very Muggy | 8.5 Very High | | Wet |
Cairns
Great Barrier Reef gateway, including rainforest, Great Barrier Reef diving and Daintree Rainforest, diving, and tropical islands.
View Full Destination Guide
What to Pack for December
Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. 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.
🎒Personalized Packing List
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📋Essentials
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👟Footwear
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🧴Toiletries & Health
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Frequently Asked Questions
Is December a good time to visit Cairns?
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What should I pack for Cairns in December?
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Can you swim in Cairns in December?
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Is December peak season in Cairns?
More Cairns Guides
Best Time to Visit
Coming soon
Things to Do
Coming soon
Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
Coming soon
Overview
Complete travel guide for Cairns: top things to do, itineraries, and typical costs.