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Cairns Weather

Cairns weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: May, Jun, Jul, Aug, Sep, Oct and Nov.

Cairns current weather

Cairns now (local time 22:15)

18°C

Clear

Feels like
19°
Humidity
92%
Wind
6 km/h

Next 7 days · what to wear

16° – 27°C

Mostly dry all week

👕 Short sleeves, plus a light layer for air-conditioned interiors.

Cairns 14-day forecast

  1. Today

    10/4

    🌦️

    26°

    18°

    💧33%

  2. Mon

    10/5

    🌦️

    26°

    17°

    💧41%

  3. Tue

    10/6

    🌤️

    27°

    16°

    💧16%

  4. Wed

    10/7

    🌦️

    27°

    19°

    💧2%

  5. Thu

    10/8

    🌤️

    27°

    18°

    💧10%

  6. Fri

    10/9

    🌦️

    27°

    19°

    💧46%

  7. Sat

    10/10

    🌦️

    27°

    20°

    💧32%

  8. Sun

    10/11

    ☁️

    28°

    20°

    💧11%

  9. Mon

    10/12

    ⛅

    28°

    20°

    💧19%

  10. Tue

    10/13

    ☁️

    28°

    20°

    💧27%

  11. Wed

    10/14

    🌦️

    28°

    21°

    💧39%

  12. Thu

    10/15

    🌦️

    29°

    21°

    💧51%

  13. Fri

    10/16

    🌦️

    27°

    21°

    💧61%

  14. Sat

    10/17

    🌦️

    28°

    20°

    💧61%

🔔 Watch my Cairns trip

Add your dates for that week's weather, currency timing, leave days and packing — plus reminders 14 and 3 days before you fly. Free with sign-in.

Best time to visit Cairns

On temperature and rainfall, the most comfortable months in Cairns are May, Jun, Jul, Aug, Sep, Oct and Nov. The hottest month is December (average high 32°C) and the coldest is July (average low 18°C).

Jan31°25°Feb30°25°Mar29°24°Apr28°22°May26°20°Jun25°19°Jul25°18°Aug26°18°Sep28°19°Oct30°21°Nov31°23°Dec32°24°

Cairns climate by month

MonthAvg highAvg lowRainHumidityvs Hong Kong
Jan31°C25°C352 mm85%+11°C
Feb30°C25°C392 mm88%+10°C
Mar29°C24°C392 mm88%+7°C
Apr28°C22°C191 mm87%+2°C
MayBest26°C20°C103 mm85%-3°C
JunBest25°C19°C63 mm84%-7°C
JulBest25°C18°C53 mm81%-8°C
AugBest26°C18°C31 mm77%-7°C
SepBest28°C19°C31 mm74%-4°C
OctBest30°C21°C62 mm73%0°C
NovBest31°C23°C86 mm74%+5°C
Dec32°C24°C179 mm77%+10°C

Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.

Cairns weather month by month: what to wear

Cairns in OctoberBest monthThis month

October in Cairns is warm to hot: average highs of 30°C and lows of 21°C, around 62 mm of rain (mostly dry) and 73% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.

👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.

Cairns in NovemberBest month

November in Cairns is hot: average highs of 31°C and lows of 23°C, around 86 mm of rain (some rain) and 74% humidity — about 5°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 T-shirts, shorts and breathable fabrics; sunscreen and water.

Cairns in December

December in Cairns is hot: average highs of 32°C and lows of 24°C, around 179 mm of rain (wet) and 77% humidity — about 10°C warmer than Hong Kong.

👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella.

Cairns in January

January in Cairns is warm to hot: average highs of 31°C and lows of 25°C, around 352 mm of rain (very wet) and 85% humidity — about 11°C warmer than Hong Kong.

👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.

Cairns in February

February in Cairns is warm to hot: average highs of 30°C and lows of 25°C, around 392 mm of rain (very wet) and 88% humidity — about 10°C warmer than Hong Kong.

👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.

Cairns in March

March in Cairns is warm to hot: average highs of 29°C and lows of 24°C, around 392 mm of rain (very wet) and 88% humidity — about 7°C warmer than Hong Kong.

👕 Short sleeves, plus a light layer for air-conditioned interiors; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.

Cairns in April

April in Cairns is warm to hot: average highs of 28°C and lows of 22°C, around 191 mm of rain (wet) and 87% humidity — about 2°C warmer than Hong Kong.

👕 Short sleeves, plus a light layer for air-conditioned interiors; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.

Cairns in MayBest month

May in Cairns is warm to hot: average highs of 26°C and lows of 20°C, around 103 mm of rain (some rain) and 85% humidity — about 3°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves, plus a light layer for air-conditioned interiors; humid, so quick-dry fabrics help.

Cairns in JuneBest month

June in Cairns is pleasantly warm: average highs of 25°C and lows of 19°C, around 63 mm of rain (mostly dry) and 84% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves, plus a light layer for air-conditioned interiors.

Cairns in JulyBest month

July in Cairns is pleasantly warm: average highs of 25°C and lows of 18°C, around 53 mm of rain (mostly dry) and 81% humidity — about 8°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.

Cairns in AugustBest month

August in Cairns is warm to hot: average highs of 26°C and lows of 18°C, around 31 mm of rain (mostly dry) and 77% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves, plus a light layer for air-conditioned interiors.

Cairns in SeptemberBest month

September in Cairns is warm to hot: average highs of 28°C and lows of 19°C, around 31 mm of rain (mostly dry) and 74% humidity — about 4°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves, plus a light layer for air-conditioned interiors.

FAQ

›What is the best time to visit Cairns?

On temperature and rainfall, the most comfortable months in Cairns are May, Jun, Jul, Aug, Sep, Oct and Nov. The hottest month is December (average high 32°C) and the coldest is July (average low 18°C).

›What's the weather like in Cairns in October, and what should I wear?

October in Cairns is warm to hot: average highs of 30°C and lows of 21°C, around 62 mm of rain (mostly dry) and 73% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.

›What's the weather like in Cairns in November, and what should I wear?

November in Cairns is hot: average highs of 31°C and lows of 23°C, around 86 mm of rain (some rain) and 74% humidity — about 5°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: T-shirts, shorts and breathable fabrics; sunscreen and water.

›When is the rainy season in Cairns?

Cairns is wettest in February, with about 392 mm on average, and driest in August, with about 31 mm.

›How cold does Cairns get? Does it snow?

The coldest month is July, averaging 25°C by day and 18°C at night. Snow is very unlikely.

Planning a trip to Cairns?

More Australia weather

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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: December; coldest: July.