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Portland Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Portland.
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Climate overview of Portland
Portland, Victoria, Australia, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 17°C (63°F), peaking in February at 21°C (70°F) and dipping in July to 14°C (57°F).
The city receives around 856 mm (34 in) of rainfall per year. August is the wettest month and February the driest.
Portland Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Portland - and find the best time to visit.
Monthly Temperature in Portland
With minimal seasonal shifts, Portland experiences a constant climate year-round. On average, daytime temperatures range from a pleasant 21°C (70°F) in February to a moderate 14°C (57°F) in July.
Nighttime temperatures range from 15°C (59°F) in February to 10°C (50°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Portland
Generally, Portland receives mid-range precipitation levels, with 856 mm (34 in) annually. The seasons in Portland bring significant changes in precipitation. The wettest month, August, receives high rainfall, with an average of 116 mm (4.6 in) of precipitation. This rainfall is distributed across 10 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 36 mm (1.4 in) over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Portland Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Portland
The most comfortable overall weather for exploring Portland is usually found in January, February and March. Conditions are generally least comfortable in June, July and August.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
very good
May
good
Jun
mixed
Jul
mixed
Aug
mixed
Sep
good
Oct
good
Nov
very good
Dec
very good
- Best overall: January, February and March
- Warmest weather: January, February and March
Frequently asked questions about the climate in Portland
What is the best time to visit Portland?
January, February and March typically offer the most optimal weather in Portland. In contrast, June, July and August tend to have less optimal conditions.
What temperatures can I expect in Portland?
Daytime highs range from 14°C (57°F) in July to 21°C (70°F) in February. Nighttime lows range from 10°C (50°F) to 15°C (59°F). Temperatures stay relatively stable year-round.
How much rain does Portland get?
Annual rainfall is around 856 mm (34 in). August is the wettest month with 116 mm (4.6 in), while February is the driest with 36 mm (1.4 in).
Portland 3-Day Forecast
Portland on the map
Portland is highlighted - select any city to see its climate.
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