Portland Weather in May

What's the weather like in Portland (Victoria) in May 2024?

The climate in Portland during May can be summarized as mild and a little damp.

May is in the fall / autumn in Portland and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 9°C (48°F) is normal.

Portland weather averages (imperial / metric)
Daytime temperature 16.1°C 61°F
Nightly temperature 9.1°C 48.4°F
Average temperature 12.6°C 54.7°F
Daily sunshine 4.7 hrs
Avg rainfall 80 mm 3.2 ins
Rainy days 10 days
Sea temperature 15.6°C 60°F
Humidity 74%
Windspeed 21.6kph 14 mph

On average May is the 4th wettest month of the year in Portland with around 80mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.7 hours of sunshine per day.

May temperatures in Portland

Portland average temperature in May

May rainfall

Portland average rain in May

May hourly sunshine

Portland average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Portland in May 2024.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Portland weather stats

Portland weather statistics
Hottest month: February 23.2°C 73.8°F
Driest month: February 26mm 1ins
Sunniest month: February 9hrs
Coldest month: July 13.1°C 55.6°F
Wettest month: July 112mm 4.4ins
Map showing location of Portland (-38.35261, 141.60574) Portland map pin © Google

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