Great Barrier Reef Climate and Average Weather
Climate of Great Barrier Reef: average temperatures, rainfall and seasons month by month.
Climate in Great Barrier Reef month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 84° | 81° | 19,3 in | ★★☆☆☆ |
| February | 84° | 80° | 17,2 in | ★★☆☆☆ |
| March | 83° | 80° | 10,8 in | ★★☆☆☆ |
| April | 81° | 78° | 3,7 in | ★★★★☆ |
| May | 79° | 76° | 2,0 in | ★★★★☆ |
| June | 76° | 73° | 1,9 in | ★★★★☆ |
| July | 75° | 72° | 1,5 in | ★★★★☆ |
| August | 75° | 72° | 1,5 in | ★★★★☆ |
| September | 76° | 74° | 1,4 in | ★★★★☆ |
| October | 78° | 76° | 0,6 in | ★★★★★ |
| November | 81° | 78° | 1,3 in | ★★★★★ |
| December | 83° | 80° | 10,0 in | ★★★☆☆ |
Climate type: Tropical. Source: Open-Meteo archive (ERA5).
Recent extremes in Great Barrier Reef
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Great Barrier Reef compares with nearby places
Annual averages, and the difference against Great Barrier Reef.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Great Barrier Reef | 0 mi | 78°F | about the same | 71 in |
| Whitehaven Beach | 163 mi | 76°F | 35°F cooler | 61 in |
| Port Douglas | 193 mi | 76°F | 34°F cooler | 120 in |
Best time to visit Great Barrier Reef
Go in August, September, October and November. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and March - expect the least comfortable mix of heat, cold or rain.
What this means for Great Barrier Reef
Today is about average for August. The forecast high of 74°F is in line with the 75°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Southern Hemisphere, so peak summer falls in December to February.
The gap between the warmest and coldest month averages 41°F - an unusually even climate through the year.
What to pack, what to skip
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- Insect repellent and quick-dry fabrics for humidity
- If your dates are flexible, avoid January, February and March - historically the least comfortable months here.
Summary
Great Barrier Reef is a tourist attraction in Cairns. Great Barrier Reef is a landmark known for the world's largest coral reef system.
Right now it is 74°F (23°C) in Great Barrier Reef with mainly clear. It feels like 76°F. Today runs from 74°F to 74°F. Chance of precipitation is 2%. Sightseeing conditions score 9.3/10 - excellent - go now.
The best time to visit Great Barrier Reef is August, September, October and November. The climate is tropical. January, February and March tend to be the least comfortable months. February is the warmest month with average highs near 84°F, while August is the coldest with lows near 72°F.
Nearby highlights include Great Barrier Reef and Whitehaven Beach.
In plain terms. Today is about average for August. The forecast high of 74°F is in line with the 75°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. photography is the strongest bet in Great Barrier Reef today at 9.9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Great Barrier Reef
Weather map for Great Barrier Reef
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Great Barrier Reef
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Great Barrier Reef?
Great Barrier Reef is a tourist attraction in Cairns. Its coordinates are -18.2871, 147.6992. It lies in Oceania.
What is the weather like in Great Barrier Reef right now?
It is currently 74°F (23°C) with mainly clear. Humidity is 78% and wind is 12 mph.
When is the best time to visit Great Barrier Reef?
August, September, October and November offer the most comfortable conditions in Great Barrier Reef, which has a tropical climate. January, February and March are usually the hardest months for outdoor plans.
What time zone is Great Barrier Reef in?
Great Barrier Reef observes Etc/GMT-10 (UTC+10:00). The local time is 8:09 AM.
What are the top things to do in Great Barrier Reef?
Popular options include Great Barrier Reef and Whitehaven Beach.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (attractions) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 26, 2026 at 8:09 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
