Pasadena Rainfall Forecast

Today 18 Sep
10%< 1mm
Fri 19 Sep
90%1–5mm
Sat 20 Sep
80%1–5mm
Sun 21 Sep
90%1–5mm
Mon 22 Sep
35%< 1mm
Tue 23 Sep
20%< 1mm
Wed 24 Sep
25%< 1mm

Pasadena Rainfall Statistics View More

September Rainfall

Happy Valley Reservoir (8km)

Total Rainfall 2025
387.2mm
Daily Average 2025
1.5mm
Wettest Day 10 July, 2025
39.2mm
Wet Days 2025
78/261 (30%)
Total Rainfall August
59mm
Daily Average August
1.9mm
Wettest Day 28 August, 2025
12.2mm
Wet Days August
14/31 (45%)
Total Rainfall September
17.8mm
Daily Average September
1mm
Wettest Day 1 September, 2025
6.4mm
Wet Days September
9/18 (50%)

Climate (2010–Present)

Happy Valley Reservoir (8km)

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Annual Average 2020–2024
641.8mm
Monthly Average 2020–2025
52.2mm
Daily Average 2020–2025
1.7mm
Wettest Day 5 June, 2022
52mm

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