Climate averages 1991–2020

Aveiro weather
in October.

A mild, wet month: the 6th warmest and the 11th driest of the year.

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

Average high 21.0°C Daytime mean, October
Average low 13.4°C Night-time mean, October
Rainfall 143 mm 12 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Aveiro · average highYear overview

October is a mild month in Aveiro: daytime highs average 21.0°C and nights cool to about 13.4°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 143 mm of rain on roughly 12 days, which makes October a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 10 min on an average October day.

The nearest other city in this atlas is Coimbra (52 km away). In October its highs average 21.6°C, 0.6°C warmer than Aveiro, with 117 mm of rain.

Among the 12 cities listed in Portugal, Aveiro ranks 6th of 12 for the warmest October highs and 9th of 12 for the driest October (rainfall, lowest first). The mean October high of those 12 cities is 20.9°C; Aveiro is 0.1°C warmer than that mean.

From October to November, average highs fall by 4.6°C to 16.4°C, and monthly rainfall rises from 143 mm to 145 mm.

The annual picture

October 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 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, selected 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

October 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.