Weather in Aveiro in April

A good month. April is a solid month to be in Aveiro. Highs average 18.2 °C, lows 10.5 °C, and rain falls on 12 days — nothing in the month is working against you.

April ranks 7 of 12 in Aveiro: past the worst of the year but short of July, which is the month to book if the dates are open.

Rain on 12 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average April reaches 30 °C. Across the twenty years measured, the hottest April day reached 29.3 °C and the coldest night fell to 5 °C, and the wettest single day dropped 36 mm — roughly 41% of the month's rain in one day.

April is moderately variable: 17 mm in the driest year against 195 mm in the wettest, around an average of 87 mm. Roughly two Aprils in three land near that average, and the third does something else entirely.

Wind is light at 5.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 80%, high enough to notice on the warm days without dominating them.

How April sits in the year

The month is on the way up: 1.8 °C warmer than March, and May adds another 2.7 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in April

13.2 hours of daylight, gaining 1.3 hours across the month. That is between Aveiro's extremes of 15.1 and 9.3 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 14.5 °C in April — cold — a quick dip rather than a swim, and a wetsuit if you are in for longer. The sea peaks at 18.5 °C in August and bottoms out at 13.7 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

April in Aveiro versus nearby

If Aveiro is one option among several, the nearby comparison is worth making. Leiria is a better bet in April — 2.4 °C warmer, 2 days less rain. Braga is close enough to be a coin toss — within a degree on temperature, the same number of rain days.

So: April is a compromise. July is 26 points better and is what Aveiro is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Aveiro

See all twelve months in Aveiro, or where else to go in April.