St Marys Rainfall Forecast

Today 1 Sep
75%1–5mm
Wed 2 Sep
20%< 1mm
Thu 3 Sep
85%1–5mm
Fri 4 Sep
60%< 2mm
Sat 5 Sep
95%5–10mm
Sun 6 Sep
25%< 1mm
Mon 7 Sep
40%< 1mm

St Marys Rainfall Statistics View More

September Rainfall

St Helens Aerodrome (28km)

Total Rainfall 2026
379.8mm
Daily Average 2026
1.6mm
Wettest Day 28 May, 2026
66.4mm
Wet Days 2026
104/244 (43%)
Total Rainfall August
25.2mm
Daily Average August
0.8mm
Wettest Day 19 August, 2026
16.4mm
Wet Days August
10/31 (32%)
Total Rainfall September
–
Daily Average September
–
Wettest Day 31 August, 2026
–
Wet Days September
–

Climate (2021–2025)

St Helens Aerodrome (28km)

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Annual Average 2021–2025
767.4mm
Monthly Average 2021–2026
61.6mm
Daily Average 2021–2026
2mm
Wettest Day 1 December, 2024
99.2mm

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