Cairns Weather and Climate
Climate Snapshot
Cairns's warmest month in 2024 was January, averaging 31.2 degrees. That gives Cairns an annual average daytime high of 28.3 degrees, 1.2 degrees warmer than the Queensland mean.
Daytime highs peak at 31.2 degrees in January and bottom out with overnight lows of 16.7 degrees in June. That is a 14.5 degree spread from hottest afternoon to coldest night. Overnight minimums average 21.0 degrees across the year, 2.5 degrees warmer than the Queensland average of 18.5.
Annual rainfall totals 2,391mm across 199 rain days, 78 percent wetter than the Queensland average. The wettest month is January at 689mm, and June is the driest at 18mm.
This is summer-dominant rainfall country. The wet season lines up with the heat.
Our Comfort Score puts July on top at 9.2/10 and January at the bottom with 2.9/10. That's the best and worst months for pleasant weather.
Scroll down for the full month-by-month breakdown, or jump straight to July if you're picking the best time to visit Cairns.
Monthly Comfort Score
Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine. How we calculate it
Annual Comfort Score: 6.2/10 - Ranked #115 of 213 Australian cities (national avg 6.2, QLD avg 6.7)
Seasonal Overview
| Season | Avg Max °C | Avg Min °C | Total Rain mm | Comfort |
|---|---|---|---|---|
| Summer | 30.9 | 24.1 | 1384 | 3.3 |
| Autumn | 28.1 | 22.2 | 716 | 5.3 |
| Winter | 25.4 | 17.1 | 146 | 8.9 |
| Spring | 28.8 | 20.4 | 145 | 7.1 |
Monthly Climate Averages
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % | Comfort |
|---|
Weather by Month
Detailed climate data, packing advice, and what to expect for each month in Cairns.
31.2°C, 689mm rain February
30.5°C, 316mm rain March
29.5°C, 514mm rain April
28.6°C, 121mm rain May
26.1°C, 82mm rain June
25.9°C, 18mm rain July
24.6°C, 66mm rain August
25.6°C, 61mm rain September
27.1°C, 60mm rain October
29.1°C, 25mm rain November
30.2°C, 61mm rain December
30.9°C, 379mm rain
Compare and Explore
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