Climate averages 1991–2020
Cairns weather
in July.
A warm, fairly dry month: the coolest and the joint 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Cairns: daytime highs average 23.5°C and nights cool to about 18.6°C. By daytime temperature it is the coolest month of the year.
Expect about 27 mm of rain on roughly 6 days, which makes July a fairly dry month (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 13 min on an average July day.
The nearest other city in this atlas is Townsville (283 km away). In July its highs average 23.9°C, about as warm as Cairns, with 16 mm of rain.
Among the 32 cities listed in Australia, Cairns ranks 3rd of 32 for the warmest July highs and 6th of 32 for the driest July (rainfall, lowest first). The mean July high of those 32 cities is 16.5°C; Cairns is 7.0°C warmer than that mean.
From July to August, average highs rise by 0.8°C to 24.3°C, and monthly rainfall falls from 27 mm to 23 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cairns climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.7°C24.8°C | 24.8°C | 245 | 21.2 | 13.013 h |
| February | 29.6°C24.9°C | 24.9°C | 256 | 20.9 | 12.713 h |
| March | 28.7°C24.2°C | 24.2°C | 206 | 17.9 | 12.212 h |
| April | 27.3°C22.9°C | 22.9°C | 94 | 12.7 | 11.712 h |
| May | 25.6°C21.2°C | 21.2°C | 41 | 9.5 | 11.311 h |
| June | 24.2°C19.5°C | 19.5°C | 27 | 7.0 | 11.111 h |
| July, selected | 23.5°C18.6°C | 18.6°C | 27 | 5.9 | 11.211 h |
| August | 24.3°C18.7°C | 18.7°C | 23 | 5.5 | 11.512 h |
| September | 26.3°C20.2°C | 20.2°C | 14 | 4.1 | 12.012 h |
| October | 27.7°C21.8°C | 21.8°C | 31 | 6.5 | 12.512 h |
| November | 29.0°C23.3°C | 23.3°C | 57 | 10.4 | 12.913 h |
| December | 29.7°C24.4°C | 24.4°C | 142 | 16.1 | 13.113 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Townsville in JulyAustralia · 283 kmHigh 23.9°C · Low 15.4°C · 16 mm rain
- Mackay in JulyAustralia · 591 kmHigh 21.1°C · Low 15.8°C · 32 mm rain
- Sunshine Coast in JulyAustralia · 1319 kmHigh 19.4°C · Low 12.5°C · 34 mm rain
- Caloundra in JulyAustralia · 1334 kmHigh 19.3°C · Low 12.6°C · 34 mm rain
- Toowoomba in JulyAustralia · 1343 kmHigh 16.5°C · Low 5.7°C · 22 mm rain
- Brisbane in JulyAustralia · 1390 kmHigh 19.9°C · Low 10.1°C · 28 mm rain
- Logan City in JulyAustralia · 1410 kmHigh 19.6°C · Low 10.6°C · 26 mm rain
- Gold Coast in JulyAustralia · 1461 kmHigh 19.1°C · Low 13.0°C · 48 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cairns) is explained once on the Cairns year overview and on the Sources, method and limits page.