Portland Weather in April
What's the weather like in Portland (Maine) in April 2025?
The climate in Portland during April can be summarized as cool and damp.
April is in the spring in Portland and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 1°C (35°F) is normal.
| Daytime temperature | 11.6°C 52.9°F |
|---|---|
| Nightly temperature | 1.4°C 34.5°F |
| Average temperature | 6.5°C 43.7°F |
| Daily sunshine | 7.6 hrs |
| Avg rainfall | 105 mm 4.1 ins |
| Rainy days | 12 days |
| Sea temperature | 4.7°C 40.5°F |
| Humidity | 67% |
| Windspeed | 16.9kph 11 mph |
On average April is the 3rd wettest month of the year in Portland with around 105mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
April temperatures in Portland
April rainfall
April hourly sunshine
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.
Other monthly averages
Portland weather stats
| Hottest month: | July | 25.9°C 78.6°F |
|---|---|---|
| Driest month: | August | 75mm 3ins |
| Sunniest month: | August | 9.2hrs |
| Coldest month: | January | -0.8°C 30.6°F |
| Wettest month: | November | 131mm 5.2ins |
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