Trefoil Island Rainfall Forecast
- 100%10–15mm
- 80%1–5mm
- 45%< 1mm
- 75%5–15mm
- 30%< 1mm
- 45%< 1mm
- 75%1–5mm
Trefoil Island Rainfall Statistics View More
September Rainfall
Three Hummock Island (30km)
Total Rainfall September
36.6mmDaily Average September
1.3mmWettest Day 2 September, 2026
5mmWet Days September
19/30 (63%)
Climate (2021–2025)
Three Hummock Island (30km)
Annual Average 2021–2025
592.7mmMonthly Average 2021–2026
66.2mmDaily Average 2021–2026
2.7mmWettest Day 18 October, 2022
82.4mm