Cairns, Australia Weather
Cairns hourly forecast: next 24 hours
Today's high of 77°F (25°C) is right in line with the typical August high of 77°F (25°C).
Current conditions in detail
Cairns weather tomorrow (Saturday, August 8)
Tomorrow in Cairns looks partly cloudy, with a high of 77° and an overnight low of 60°. Precipitation chance is modest at 27%. Winds top out near 10 mph, and the UV index reaches 9 (very high).
Cairns 14-day forecast
About the weather in Cairns
Cairns has a tropical wet-and-dry climate, marked by year-round warmth split between a rainy season and a pronounced dry season. Average daytime highs range from about 76°F (24°C) in July to around 87°F (31°C) in February, and the city records roughly 160 days of measurable precipitation a year.
Cairns weather: quick facts
- Hottest month: February - highs near 87°F (31°C)
- Coldest month: July - highs near 76°F (24°C)
- Record high: 106°F (41°C) · Record low: 50°F (10°C) (2015–2024)
- Wettest month: January (24 rainy days) · Sunniest: October (11.5 h sun/day)
- Climate type: tropical wet-and-dry - year-round warmth split between a rainy season and a pronounced dry season
Temperatures through the year
The warmest stretch of the year centers on February. Highs average 87°F (31°C) and overnight lows stay near 76°F (24°C). The coolest month is July, with typical highs of 76°F (24°C) and lows around 65°F (18°C). Based on 2015–2024 weather data, temperatures have reached as high as 106°F (41°C) and dropped as low as 50°F (10°C).
Rain, sun and snow
January is usually the wettest month. It brings about 16.4 inches (416 mm) of rain over 24 days, while August is the driest. October brings the most sunshine, averaging 11.5 hours of sun a day.
Season by season
September through November
September through November in Cairns runs hot, with daytime highs averaging 83°F (28°C) and nights around 70°F (21°C); expect showers on roughly 29 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
December through February
December through February in Cairns is hot, with daytime highs averaging 87°F (30°C) and nights around 76°F (24°C); expect showers on roughly 60 days across the season.
March through May
March through May in Cairns is hot, with daytime highs averaging 82°F (28°C) and nights around 73°F (23°C); expect showers on roughly 47 days across the season.
June through August
June through August in Cairns brings comfortable warmth, with daytime highs averaging 76°F (25°C) and nights around 65°F (18°C); expect showers on roughly 24 days across the season.
Average temperatures in Cairns by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 87° | 76° | 24 | 16.4 in | 9.7 h/day | 84% |
| February | 87° | 76° | 19 | 11.0 in | 9.9 h/day | 83% |
| March | 85° | 75° | 20 | 13.1 in | 9.3 h/day | 83% |
| April | 83° | 73° | 16 | 7.3 in | 10.2 h/day | 80% |
| May | 79° | 70° | 12 | 3.3 in | 9.9 h/day | 79% |
| June | 77° | 66° | 10 | 1.8 in | 9.7 h/day | 78% |
| July | 76° | 65° | 8 | 2.3 in | 9.8 h/day | 77% |
| August | 77° | 64° | 7 | 1.4 in | 10.2 h/day | 75% |
| September | 80° | 67° | 8 | 1.6 in | 11.1 h/day | 75% |
| October | 83° | 70° | 9 | 1.9 in | 11.5 h/day | 76% |
| November | 86° | 73° | 12 | 2.3 in | 11.5 h/day | 76% |
| December | 86° | 75° | 17 | 11.4 in | 10.6 h/day | 80% |