Portland Weather and Climate
Climate Snapshot
Portland's warmest month in 2024 was February, averaging 22.2 degrees. That gives Portland an annual average daytime high of 17.9 degrees, 1.9 degrees cooler than the Victoria mean.
Daytime highs peak at 22.2 degrees in February and bottom out with overnight lows of 7.4 degrees in July. That is a 14.8 degree spread from hottest afternoon to coldest night. Overnight minimums average 11.1 degrees across the year, 1.1 degrees warmer than the Victoria average of 10.0.
Annual rainfall totals 649mm across 117 rain days, close to the Victoria average. The wettest month is November at 91mm, and February is the driest at 5mm.
Rainfall varies dramatically through the year. The wettest month (November) gets over 19 times as much rain as the driest (February).
Our Comfort Score puts February on top at 10.0/10 and July at the bottom with 1.0/10. That's the best and worst months for pleasant weather.
Keep scrolling for the detailed monthly data, or head straight to February for the peak-comfort window.
Monthly Comfort Score
Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine. How we calculate it
Annual Comfort Score: 5.4/10 - Ranked #172 of 213 Australian cities (national avg 6.2, VIC avg 5.9)
Seasonal Overview
| Season | Avg Max °C | Avg Min °C | Total Rain mm | Comfort |
|---|---|---|---|---|
| Summer | 21.6 | 13.8 | 117 | 9.1 |
| Autumn | 18.2 | 11.6 | 92 | 5.6 |
| Winter | 14.1 | 8.1 | 191 | 2.0 |
| Spring | 17.4 | 10.8 | 250 | 5.0 |
Monthly Climate Averages
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % | Comfort |
|---|
Weather by Month
Detailed climate data, packing advice, and what to expect for each month in Portland.
21.2°C, 71mm rain February
22.2°C, 5mm rain March
21.9°C, 14mm rain April
16.9°C, 54mm rain May
15.9°C, 23mm rain June
13.2°C, 37mm rain July
13.0°C, 84mm rain August
16.2°C, 70mm rain September
14.8°C, 90mm rain October
17.7°C, 68mm rain November
19.8°C, 91mm rain December
21.5°C, 41mm rain
Compare and Explore
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