Climate averages 1991–2020

Aveiro weather
in March.

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

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

Average high 17.3°C Daytime mean, March

Average low 8.6°C Night-time mean, March

Rainfall 95 mm 10 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

March is a mild month in Aveiro: daytime highs average 17.3°C and nights cool to about 8.6°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 95 mm of rain on roughly 10 days, which makes March a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 55 min on an average March day.

The nearest other city in this atlas is Coimbra (52 km away). In March its highs average 17.6°C, about as warm as Aveiro, with 85 mm of rain.

Among the 12 cities listed in Portugal, Aveiro ranks 5th of 12 for the warmest March highs and 9th of 12 for the driest March (rainfall, lowest first). The mean March high of those 12 cities is 16.7°C; Aveiro is 0.5°C warmer than that mean.

From March to April, average highs rise by 1.3°C to 18.5°C, and monthly rainfall rises from 95 mm to 98 mm.

The annual picture

March in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

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
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	13.5°C6.5°C	6.5°C	128	12.1	9.610 h
February	14.7°C6.8°C	6.8°C	88	9.4	10.611 h
March, selected	17.3°C8.6°C	8.6°C	95	9.9	11.912 h
April	18.5°C10.1°C	10.1°C	98	10.9	13.313 h
May	21.2°C12.7°C	12.7°C	79	9.6	14.414 h
June	24.5°C15.3°C	15.3°C	26	5.0	15.015 h
July	26.8°C16.8°C	16.8°C	12	2.7	14.815 h
August	27.3°C17.2°C	17.2°C	17	3.4	13.814 h
September	25.1°C15.8°C	15.8°C	51	6.0	12.513 h
October	21.0°C13.4°C	13.4°C	143	12.0	11.211 h
November	16.4°C9.8°C	9.8°C	145	12.7	10.010 h
December	14.3°C7.6°C	7.6°C	141	12.2	9.39 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

March 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.