Portland Harbour Rainfall Forecast

Today 9 Dec
5%< 1mm
Wed 10 Dec
5%< 1mm
Thu 11 Dec
No Rain
Fri 12 Dec
5%< 1mm
Sat 13 Dec
20%< 1mm
Sun 14 Dec
55%< 1mm
Mon 15 Dec
20%< 1mm

Portland Harbour Rainfall Statistics View More

December Rainfall

Cape Nelson Lighthouse (11km)

Total Rainfall 2025
675.6mm
Daily Average 2025
2mm
Wettest Day 23 July, 2025
28.6mm
Wet Days 2025
182/343 (53%)
Total Rainfall November
50.8mm
Daily Average November
1.7mm
Wettest Day 7 November, 2025
7.4mm
Wet Days November
22/30 (73%)
Total Rainfall December
16.4mm
Daily Average December
2.1mm
Wettest Day 1 December, 2025
12.6mm
Wet Days December
4/9 (44%)

Climate (2010–Present)

Cape Nelson Lighthouse (11km)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2020–2024
711.8mm
Monthly Average 2020–2025
59.8mm
Daily Average 2020–2025
2mm
Wettest Day 1 December, 2024
57mm

Get WillyWeather+ to remove ads