Portland weather in April 2025

Expect 12°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Portland in April. Check more long-term weather averages for Portland in April before you book your next holiday to Maine in 2025/2026.

12
12°C max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
1
1°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
105
105 mm of monthly rainfall
5
5 (Moderate) UV index
5
5°C sea temperature

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The April weather guide for Maine (Portland) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about the USA

How warm is it in Portland in April?

Daytime temperatures usually reach 12°C in Portland in April, falling to 1°C at night.

How sunny is it in Portland in April?

There are normally 7 hours of bright sunshine each day in Portland in April - that's 51% of daylight hours.

Is the sea cold around Portland in April?

The average sea temperature around Portland in April is 5°C.

Does it rain in Portland in April?

There are usually 12 days with some rain in Portland in April and the average monthly rainfall is 105mm.

Portland April sunrise & sunset times

Browse the sunrise and sunset times for Portland in April 2025. Select a month to view Portland sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Tuesday, 1st April 2025	05:22	18:08
Tuesday, 15th April 2025	04:58	18:25
Wednesday, 30th April 2025	04:34	18:43

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Maine - quick facts
Flight time^✝	11 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Maine Office of Tourism