ClimateAverages

Aveiro Climate

Aveiro, Portugal · population 54,162 · 53 weather stations within 200 km · records 1776 to 2025

Average annual daytime high
18.8°C
Warmest month · August
25.3°C
Typical daytime high
Coldest month · January
6.0°C
Typical overnight low

Aveiro has an average annual daytime high of 18.8°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 25.3°C, and its coldest is January, with overnight lows near 6.0°C.

Month by month averages

MonthAvg highAvg low
January12.7°C6.0°CColdest
February13.7°C6.4°C
March15.7°C7.8°C
April17.6°C9.1°C
May20.2°C11.4°C
June22.8°C13.6°C
July25.3°C14.9°C
August25.3°C15.0°CWarmest
September23.8°C14.3°C
October20.2°C11.9°C
November15.6°C8.6°C
December12.9°C6.4°C

Temperature range across the year

4°10°16°21°27°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2022
+2.0°C vs. 1951–1980
Coldest year on record
1809
-1.7°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Aveiro getting hotter?

Since 1900, Aveiro's average temperature has risen by +2.0°C. Compared to the earliest station records that begin in 1776, warming totals +2.2°C.

14.1°14.8°15.4°16.1°16.7°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
March to November

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Aveiro?

Aveiro's average annual daytime high is 18.8°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 25.3°C, and the coldest is January, with lows averaging 6.0°C.

What is the warmest month in Aveiro?

August is the warmest month in Aveiro, with typical daytime highs of 25.3°C.

What is the hottest year on record for Aveiro?

2022 is the hottest year on record for Aveiro, running +2.0°C above the 1951 to 1980 baseline.

Is Aveiro getting hotter?

Yes. Since 1900, Aveiro has warmed by roughly +2.0°C.

When is the best time to visit Aveiro?

March to November typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.