Portland Rainfall Forecast
- 5%< 1mm
- 10%< 1mm
- 10%< 1mm
- 70%1–5mm
- 80%1–5mm
- 45%< 1mm
- 60%< 1mm
Portland Rainfall Statistics View More
December Rainfall
Portland (10km)
Total Rainfall December
0.6mmDaily Average December
0.2mmWettest Day 4 December, 2023
0.4mmWet Days December
2/5 (40%)
Climate (2010–Present)
Portland (10km)
Annual Average 2020–2022
499.4mmMonthly Average 2020–2023
57.2mmDaily Average 2020–2023
2mmWettest Day 5 July, 2021
58.6mm