St Helens Rainfall Forecast

Today 19 Aug
95%5–10mm
Thu 20 Aug
75%1–5mm
Fri 21 Aug
35%< 1mm
Sat 22 Aug
15%< 1mm
Sun 23 Aug
15%< 1mm
Mon 24 Aug
55%< 2mm
Tue 25 Aug
75%5–10mm

St Helens Rainfall Statistics View More

August Rainfall

St Helens Aerodrome (3km)

Total Rainfall 2026
359.8mm
Daily Average 2026
1.6mm
Wettest Day 28 May, 2026
66.4mm
Wet Days 2026
102/231 (44%)
Total Rainfall July
36.4mm
Daily Average July
1.2mm
Wettest Day 3 July, 2026
9.2mm
Wet Days July
13/31 (42%)
Total Rainfall August
5.2mm
Daily Average August
0.3mm
Wettest Day 18 August, 2026
2.2mm
Wet Days August
8/19 (42%)

Climate (2021–2025)

St Helens Aerodrome (3km)

Take a look at our website widgetsAvailable free! Find Out More

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

Get WillyWeather+ to remove ads