Mersey River - Mouth Rainfall Forecast

Today 19 Oct
45%< 1mm
Mon 20 Oct
5%< 1mm
Tue 21 Oct
35%< 1mm
Wed 22 Oct
90%15–20mm
Thu 23 Oct
20%< 1mm
Fri 24 Oct
20%< 1mm
Sat 25 Oct
40%< 1mm

Mersey River - Mouth Rainfall Statistics View More

October Rainfall

Devonport Airport (5km)

Total Rainfall 2025
450.5mm
Daily Average 2025
1.5mm
Wettest Day 13 August, 2025
30mm
Wet Days 2025
120/292 (41%)
Total Rainfall September
85.3mm
Daily Average September
2.8mm
Wettest Day 8 September, 2025
27.6mm
Wet Days September
21/30 (70%)
Total Rainfall October
39.8mm
Daily Average October
2.2mm
Wettest Day 10 October, 2025
14.2mm
Wet Days October
13/19 (68%)

Climate (2010–Present)

Devonport Airport (5km)

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Annual Average 2020–2024
730.4mm
Monthly Average 2020–2025
58.8mm
Daily Average 2020–2025
1.9mm
Wettest Day 6 April, 2022
66.2mm

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