The climate in Portland during April can be summarized as mild and reasonably dry.
April is in the fall / autumn in Portland and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 11°C (51°F) is normal.
Daytime temperature | 19.1°C 66.3°F |
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Nightly temperature | 10.8°C 51.4°F |
Average temperature | 14.9°C 58.8°F |
Daily sunshine | 5.6 hrs |
Avg rainfall | 61 mm 2.4 ins |
Rainy days | 8 days |
Sea temperature | 16.4°C 61.5°F |
Humidity | 65% |
Windspeed | 21.2kph 13 mph |
On average April is the 6th driest month of the year in Portland with around 61mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
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 April 2025.
Hottest month: | February | 23.2°C 73.8°F |
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Driest month: | February | 26mm 1ins |
Sunniest month: | February | 9hrs |
Coldest month: | July | 13.1°C 55.6°F |
Wettest month: | July | 112mm 4.4ins |