Aveiro in Winter

In winter (June, July and August), Aveiro sees average daytime highs around 31°C and overnight lows near 23°C, with 258 mm of rain over about 48 wet days across the season. It is the 2nd-warmest season and the driest season of the year.

Across winter, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 32% of the time across winter, and the air most often feels oppressive.

Winter is Aveiro's best season of the year to visit on our travel score. Aveiro has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Aveiro's year-round climate.

Avg daytime high
31°C
2nd-warmest season
Avg overnight low
23°C
Rainfall
258 mm
48 wet days
Avg wind
6 km/h
Travel score
3.8
best season of the year
Months
Jun · Jul · Aug

Temperature in Aveiro in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 31°C.

A typical winter day in Aveiro reaches about 31°C and drops to 23°C overnight. The warmest of the three months is August, the coolest June.

20°25°30°35°JunJulAug

How winter really feels in Aveiro

Once humidity and wind are folded in, winter brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
92
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Aveiro weather by month

How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°32427.812.22.9
Feb30° / 23°31325.812.12.8
Mar30° / 23°38729.3122.7
Apr30° / 23°35428.911.92.6
May30° / 23°2512811.82.8
Jun31° / 23°10319.111.83.6
Jul31° / 23°8415.311.84.0
Aug32° / 24°7113.411.93.7
Sep32° / 24°8015.1123.3
Oct32° / 24°11116.812.13.1
Nov32° / 24°15919.212.23.1
Dec31° / 24°21223.912.22.9

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time across winter.

0%25%50%75%100%JunJulAug

Chance of precipitation in Winter

Any precipitation

Aveiro gets around 258 mm of rain over 48 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%JunJulAug

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%JunJulAug

Wind in Winter

Winds average 6 km/h across winter.

0246810JunJulAug

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 11 h 48 min in early June to 11 h 54 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 4.9 kWh/m².

0246JunJulAug
Planning a trip in winter

Hazard calendar for Aveiro

In seasonPeak

None of Aveiro's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

Aveiro's rainy season runs December–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is winter a good time to visit Aveiro?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.8
Sightseeing
1st-best month of the year
5.7
Beach & pool
1st-best month of the year

winter is a weaker month for outdoor sightseeing in Aveiro.

What to pack for Aveiro in Winter

From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In winter, Aveiro sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 48 days see rain.

light clothesrain gearsun protection

UV index in Aveiro in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aveiro peaks around February 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeFeb 20UV 15Nov 16UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec11Extreme

Air quality in Aveiro in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in Aveiro is worst in October — around 55 µg/m³ PM2.5 (poor), about 5.7× the cleanest month (June, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateOct 2053 µg/m³Jun 1710 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar14Moderate
Apr13Moderate
May11Good
Jun10Good
Jul11Good
Aug19Moderate
Sep36Poor
Oct55Poor
Nov48Poor
Dec24Moderate
Location & terrain

Where is Aveiro?

Aveiro sits at 3.6°S, 55.3°W, 18 m above sea level, in Brazil. The nearest listed city is Rurópolis, 72 km away.

Topography around Aveiro

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aveiro.

Within 3 km, the terrain around Aveiro has only modest variations in elevation — a maximum elevation change of 65 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 244 m; within 80 km, significant variations in elevation — a maximum elevation change of 377 m.

The land around Aveiro is covered by water (46%) and trees (44%) within 3 km, trees (73%) and water (22%) within 16 km, and trees (87%) within 80 km.

3 km
65 m
16 km
244 m
80 km
377 m
treesgrasslandartificial surfaceswaterwetland
Winter weather nearby: Rurópolis 72 km · Itaituba 104 km · Belterra 116 km · Placas 127 km · Trairão 127 km · Mojuí dos Campos 128 km · Santarém 147 km · Uruará 177 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Aveiro (-3.6056°, -55.3317°, elevation 18 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.