St Helens Rainfall Forecast

Today 28 Sep
No Rain
Tue 29 Sep
25%< 1mm
Wed 30 Sep
55%< 2mm
Thu 1 Oct
90%5–10mm
Fri 2 Oct
45%< 2mm
Sat 3 Oct
15%< 1mm
Sun 4 Oct
20%< 1mm

St Helens Rainfall Statistics View More

September Rainfall

St Helens Aerodrome (3km)

Total Rainfall 2026
384.8mm
Daily Average 2026
1.4mm
Wettest Day 28 May, 2026
66.4mm
Wet Days 2026
108/271 (40%)
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
5mm
Daily Average September
0.2mm
Wettest Day 6 September, 2026
3.8mm
Wet Days September
4/28 (14%)

Climate (2021–2025)

St Helens Aerodrome (3km)

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Annual Average 2021–2025
767.4mm
Monthly Average 2021–2026
61.5mm
Daily Average 2021–2026
2mm
Wettest Day 1 December, 2024
99.2mm

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