Cotter Reservoir Rainfall Forecast

Today 8 Dec
No Rain
Tue 9 Dec
5%< 1mm
Wed 10 Dec
15%< 1mm
Thu 11 Dec
55%1–5mm
Fri 12 Dec
50%1–5mm
Sat 13 Dec
60%1–5mm
Sun 14 Dec
40%< 1mm

Cotter Reservoir Rainfall Statistics View More

December Rainfall

Tuggeranong (Isabella Plains) (19km)

Total Rainfall 2025
432.4mm
Daily Average 2025
1.3mm
Wettest Day 23 May, 2025
26.2mm
Wet Days 2025
90/342 (26%)
Total Rainfall November
27.4mm
Daily Average November
0.9mm
Wettest Day 23 November, 2025
13mm
Wet Days November
14/30 (47%)
Total Rainfall December
1mm
Daily Average December
0.1mm
Wettest Day 7 December, 2025
0.8mm
Wet Days December
2/8 (25%)

Climate (2010–Present)

Tuggeranong (Isabella Plains) (19km)

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Annual Average 2020–2024
865.6mm
Monthly Average 2020–2025
65.2mm
Daily Average 2020–2025
2.1mm
Wettest Day 27 February, 2022
81.6mm

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