St Helens Rainfall Forecast

Today 22 Aug
80%1–5mm
Sat 23 Aug
50%< 2mm
Sun 24 Aug
15%< 1mm
Mon 25 Aug
30%< 1mm
Tue 26 Aug
95%20–25mm
Wed 27 Aug
75%1–5mm
Thu 28 Aug
60%1–5mm

St Helens Rainfall Statistics View More

August Rainfall

St Helens Aerodrome (3km)

Total Rainfall 2025
330.8mm
Daily Average 2025
1.4mm
Wettest Day 10 June, 2025
23.8mm
Wet Days 2025
109/234 (47%)
Total Rainfall July
64.8mm
Daily Average July
2.1mm
Wettest Day 27 July, 2025
21mm
Wet Days July
20/31 (65%)
Total Rainfall August
19.2mm
Daily Average August
0.9mm
Wettest Day 13 August, 2025
5.4mm
Wet Days August
12/22 (55%)

Climate (2010–Present)

St Helens Aerodrome (3km)

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Annual Average 2020–2024
840.8mm
Monthly Average 2020–2025
68.2mm
Daily Average 2020–2025
2.3mm
Wettest Day 1 December, 2024
99.2mm

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