Portland Bay Rainfall Forecast
- 20%< 1mm
- 55%< 2mm
- 40%< 1mm
- 5%< 1mm
- 5%< 1mm
- 20%< 1mm
- 20%< 1mm
Portland Bay Rainfall Statistics View More
January Rainfall
Portland Airport (25km)
Total Rainfall January
19.6mmDaily Average January
0.7mmWettest Day 16 January, 2026
11mmWet Days January
7/30 (23%)
Climate (2010–Present)
Portland Airport (25km)
Annual Average 2021–2025
811mmMonthly Average 2021–2025
67.6mmDaily Average 2021–2026
2.3mmWettest Day 1 December, 2024
58.8mm