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Cairns weather in August 2025
Expect 79°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Cairns in August. Check more long-term weather averages for Cairns in August before you book your next holiday to Queensland in 2025/2026.
- 7979°F max day temperature
- 8 hours of sunshine per day
- 44 days with some rainfall
- 6363°F min night temperature
- 1212 hours of daylight per day
- LLow heat & humidity
- 1.51.5 inches of monthly rainfall
- 99 (Very High) UV index
- 7373°F sea temperature
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Recommended for Queensland
The August weather guide for Queensland (Cairns) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C) | Imperial (°F)
More about Australia
How hot is it in Cairns in August?
Daytime temperatures usually reach 79°F in Cairns in August with low heat and humidity, falling to 63°F at night.
How sunny is it in Cairns in August?
There are normally 8 hours of bright sunshine each day in Cairns in August - that's 68% of daylight hours.
How warm is the sea around Cairns in August?
The average sea temperature around Cairns in August is 73°F.
Does it rain in Cairns in August?
There are usually 4 days with some rain in Cairns in August and the average monthly rainfall is 1.5 inches.
Cairns August sunrise & sunset times
Browse the sunrise and sunset times for Cairns in August 2025. Select a month to view Cairns sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 06:42 | 18:04 |
Saturday, 16th August 2025 | 06:35 | 18:08 |
Sunday, 31st August 2025 | 06:25 | 18:10 |
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