Climate averages 1991–2020

Aveiro weather
in April.

A mild, wet month: the 7th warmest and the 8th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 18.5°C Daytime mean, April
Average low 10.1°C Night-time mean, April
Rainfall 98 mm 11 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Aveiro · average highYear overview

April is a mild month in Aveiro: daytime highs average 18.5°C and nights cool to about 10.1°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 98 mm of rain on roughly 11 days, which makes April a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 16 min on an average April day.

The nearest other city in this atlas is Coimbra (52 km away). In April its highs average 19.0°C, about as warm as Aveiro, with 92 mm of rain.

Among the 12 cities listed in Portugal, Aveiro ranks 4th of 12 for the warmest April highs and 9th of 12 for the driest April (rainfall, lowest first). The mean April high of those 12 cities is 18.0°C; Aveiro is 0.5°C warmer than that mean.

From April to May, average highs rise by 2.7°C to 21.2°C, and monthly rainfall falls from 98 mm to 79 mm.

The annual picture

April in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Aveiro climate table

1991–2020
Monthly climate averages for Aveiro, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 13.5°C6.5°C6.5°C12812.19.610 h
February 14.7°C6.8°C6.8°C889.410.611 h
March 17.3°C8.6°C8.6°C959.911.912 h
April, selected 18.5°C10.1°C10.1°C9810.913.313 h
May 21.2°C12.7°C12.7°C799.614.414 h
June 24.5°C15.3°C15.3°C265.015.015 h
July 26.8°C16.8°C16.8°C122.714.815 h
August 27.3°C17.2°C17.2°C173.413.814 h
September 25.1°C15.8°C15.8°C516.012.513 h
October 21.0°C13.4°C13.4°C14312.011.211 h
November 16.4°C9.8°C9.8°C14512.710.010 h
December 14.3°C7.6°C7.6°C14112.29.39 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

April in nearby cities

Distance from Aveiro

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Aveiro) is explained once on the Aveiro year overview and on the Sources, method and limits page.