Cairns Weather Forecast
Cairns weather: 77°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Cairns weather in August
Weather map for Cairns
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Climate in Cairns 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 | 87° | 77° | 17,9 in | ★★★☆☆ |
| February | 86° | 77° | 13,5 in | ★★☆☆☆ |
| March | 84° | 76° | 18,5 in | ★★★☆☆ |
| April | 82° | 74° | 5,1 in | ★★★★☆ |
| May | 79° | 71° | 3,7 in | ★★★★☆ |
| June | 77° | 67° | 2,1 in | ★★★★☆ |
| July | 76° | 66° | 2,1 in | ★★★★☆ |
| August | 76° | 65° | 1,2 in | ★★★★☆ |
| September | 79° | 69° | 2,4 in | ★★★★☆ |
| October | 82° | 71° | 1,2 in | ★★★★★ |
| November | 85° | 74° | 1,7 in | ★★★★☆ |
| December | 85° | 76° | 21,1 in | ★★★☆☆ |
Climate type: Tropical. Source: Open-Meteo archive (ERA5).
Best time to visit Cairns
Go in June, July, 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 to pack, what to skip
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 4 of the next 7 days carry a real chance of rain
- Insect repellent and quick-dry fabrics for humidity
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 36 mph.
- If your dates are flexible, avoid January, February and March - historically the least comfortable months here.
How Cairns compares with nearby places
Annual averages, and the difference against Cairns.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Port Douglas | 37 mi | 76°F | about the same | 120 in |
| Great Barrier Reef | 158 mi | 78°F | +34°F warmer | 71 in |
| Whitehaven Beach | 315 mi | 76°F | 33°F cooler | 61 in |
See the Cairns forecast by time range
Cairns weather - more answers
Explore Cairns
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Cairns?
Cairns is a city in Queensland. Its coordinates are -16.9186, 145.7781. It lies in Oceania.
What is the weather like in Cairns right now?
It is currently 77°F (25°C) with clear sky. Humidity is 71% and wind is 15 mph.
When is the best time to visit Cairns?
June, July, August, September, October and November offer the most comfortable conditions in Cairns, which has a tropical climate. January, February and March are usually the hardest months for outdoor plans.
What time zone is Cairns in?
Cairns observes Australia/Brisbane (UTC+10:00). The local time is 6:14 PM.
How many people live in Cairns?
Cairns has a population of approximately 153.000.
What are the top things to do in Cairns?
Popular options include Great Barrier Reef and Great Barrier Reef.
What places are in Cairns?
Cairns covers 1 places in this atlas, including Great Barrier Reef.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - 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 6:14 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
