The best time to visit Tropical North (Cairns, Darwin) is Jun–Oct. Month by month, the verdicts rate Jun–Nov as comfortable on both daytime heat and rainfall — 6 months in all.
Wet 'build-up' Nov–Mar; dry May–Sep
| Month | High °C | High °F | Rainy days | Verdict |
|---|---|---|---|---|
| January | 28.4 | 83 | 77% | Too wet |
| February | 27.6 | 82 | 82% | Too wet |
| March | 26.7 | 80 | 71% | Too wet |
| April | 25.4 | 78 | 66% | Too wet |
| May | 23.9 | 75 | 52% | Fair |
| June | 22.7 | 73 | 37% | Go |
| July | 22.5 | 72 | 32% | Go |
| August | 23.7 | 75 | 26% | Go |
| September | 26.3 | 79 | 21% | Go |
| October | 28.2 | 83 | 28% | Go |
| November | 29.5 | 85 | 41% | Go |
| December | 29.7 | 85 | 58% | Too wet |
Verdict combines mean daytime high with rainy-day frequency. “Rainy days” is the share of days in the month with at least 1 mm of rain.
September is the driest month, with rain on 21% of days and daytime highs near 26.3°C (79°F). February is the wettest, at 82%. The warmest month is December at 29.7°C (85°F); the coolest is July at 22.5°C (72°F). The record rules out too wet in Dec–Apr.