Glen Mervyn Rainfall Forecast

Today 15 Aug
5%< 1mm
Sun 16 Aug
5%< 1mm
Mon 17 Aug
100%10–20mm
Tue 18 Aug
55%< 1mm
Wed 19 Aug
85%1–5mm
Thu 20 Aug
60%< 2mm
Fri 21 Aug
30%< 1mm

Glen Mervyn Rainfall Statistics View More

August Rainfall

Collie (21km)

Total Rainfall 2026
430.6mm
Daily Average 2026
2.2mm
Wettest Day 30 March, 2026
73mm
Wet Days 2026
49/227 (22%)
Total Rainfall July
71.9mm
Daily Average July
2.7mm
Wettest Day 17 July, 2026
36.4mm
Wet Days July
11/31 (35%)
Total Rainfall August
38.2mm
Daily Average August
4.2mm
Wettest Day 10 August, 2026
20mm
Wet Days August
8/15 (53%)

Climate (2021–2025)

Collie (21km)

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Annual Average 2021–2025
730.1mm
Monthly Average 2021–2026
55.6mm
Daily Average 2021–2026
2.1mm
Wettest Day 30 March, 2026
73mm

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