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Green Island

Green Island 1
Travel Info
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Travel Info

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Green Island Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Green Island year round climate

  • Spring (March–May): Average 70–78°F, warm and comfortable climate, low rainfall, abundant sunshine. Common activities: Scuba diving, snorkeling, coral viewing, cycling around the island. Recommended clothing: Light long-sleeved clothing, shorts, sandals.
  • Summer (June–August): Average 82–83°F, hot and humid, occasional showers, but overall low rainfall. Common activities: Sea swimming, water activities, night stargazing. Recommended clothing: Light and breathable clothing, swimwear, hat, sunscreen.
  • Autumn (September–November): Average 73–81°F, comfortable and pleasant climate, more rainfall in October. Common activities: Scuba diving, snorkeling, whale and dolphin watching, sightseeing. Recommended clothing: Light jacket, long-sleeved clothing, comfortable shoes.
  • Winter (December–February): Average 65–68°F, mild climate, low rainfall, less affected by the northeast monsoon. Common activities: Scuba diving, snorkeling, cycling around the island, enjoying the sea view. Recommended clothing: Light warm clothing, long pants, jacket.

Green Island climatological average

Annual average temperature: approx. 75.2°F / Annual rainfall: approx. 89 mm / Summer humidity: 70%–80% / Rainiest month: October

Green Island monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
65.7°F
1.4
February
68.7°F
1.7
March
70.2°F
1.9
April
78.4°F
2.1
May
78.3°F
2.9
June
82.8°F
3.5
July
83.8°F
15.1
August
82.6°F
3.2
September
81.9°F
12.5
October
78.3°F
37
November
73.6°F
7.8
December
66.4°F
0.7

Green Island weather for the next seven days

3/20
Friday
Patchy rain nearby
76.5°F/67.4°F
3/21
Saturday
Patchy rain nearby
74.2°F/67.1°F
3/22
Sunday
Patchy rain nearby
75°F/70.1°F
3/23
Monday
Patchy rain nearby
76.1°F/67.7°F
3/24
Tuesday
Patchy rain nearby
75.6°F/71.4°F
3/25
Wednesday
Sunny
77.9°F/68.3°F
3/26
Thursday
Patchy rain nearby
78.3°F/69.8°F

Green Island Frequently Asked Questions and Useful Information for Travel

What makes Green Island unique?

Green Island is a Great Barrier Reef coral cay renowned for its unusual blend of pristine coral reefs and a surprisingly lush tropical rainforest. This unique combination makes it a special destination for experiencing both vibrant marine life and verdant island flora. Visitors can enjoy activities like snorkeling amongst colorful coral and diverse fish, bushwalking through the rainforest, and observing abundant birdlife.

Is Green Island worth a visit?

Absolutely. Green Island offers a fantastic and easily accessible introduction to the wonders of the Great Barrier Reef. Its proximity to Cairns makes it an ideal choice for a day trip or a longer stay. The island boasts crystal-clear waters perfect for snorkeling directly off the beach, making it suitable for families and beginners. While it's a smaller island with limited facilities, its stunning natural beauty is undeniable.

Can tourists stay overnight on Green Island?

Yes, tourists can indeed stay overnight on Green Island. The island features the Green Island Resort, offering comfortable accommodation options for those wishing to extend their visit. It is highly recommended to book your stay in advance, particularly during busy travel periods, to secure your preferred dates.

Where is Green Island located?

Green Island is a breathtaking coral cay situated 27 kilometers (17 miles) off the coast of Cairns, Queensland, Australia. It is an integral part of the Great Barrier Reef Marine Park. The island is easily reached by ferry services departing regularly from Cairns.

What are the main activities on Green Island?

The primary attractions on Green Island revolve around its unique reef and rainforest environment. Popular activities include snorkeling and diving to witness the abundant marine life, including colorful fish and sea turtles. Visitors can also explore the island's interior via walking trails through the rainforest, enjoy birdwatching, and relax on the beautiful sandy beaches. Glass-bottom boat tours offer a great way to see the reef without getting wet.