Arouca in Spring
In spring (March, April and May), Arouca sees average daytime highs around 17°C and overnight lows near 8°C, with 420 mm of rain over about 39 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 14°C in early March to 21°C by late May. The sky is clear or mostly clear about 30% of the time across spring, and the air most often feels dry.
Spring is Arouca's 3rd-best season to visit on our travel score. For the whole year in context, see Arouca's year-round climate.
- Avg daytime high
- 17°C
- 3rd-warmest season
- Avg overnight low
- 8°C
- Rainfall
- 420 mm
- 39 wet days
- Avg wind
- 9 km/h
- Travel score
- 5.2
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Arouca in Spring
Over the season highs climb from about 14°C in early March to 21°C by late May.
A typical spring day in Arouca reaches about 17°C and drops to 8°C overnight. The warmest of the three months is May, the coolest March.
Arouca weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 11° / 4° | 182 | 12.5 | 9.4 | 2.7 |
| Feb | 13° / 5° | 124 | 9.9 | 10.4 | 3.5 |
| Mar | 16° / 6° | 142 | 11.7 | 11.7 | 4.6 |
| Apr | 17° / 8° | 148 | 13.7 | 13.1 | 5.0 |
| May | 20° / 10° | 129 | 13.1 | 14.3 | 5.9 |
| Jun | 23° / 13° | 56 | 7.9 | 14.9 | 7.3 |
| Jul | 26° / 15° | 30 | 5 | 14.6 | 8.1 |
| Aug | 26° / 15° | 38 | 5.3 | 13.6 | 7.9 |
| Sep | 23° / 13° | 83 | 8.2 | 12.3 | 7.3 |
| Oct | 19° / 11° | 197 | 13.4 | 10.9 | 5.7 |
| Nov | 14° / 7° | 183 | 13.1 | 9.7 | 3.9 |
| Dec | 12° / 5° | 197 | 12.5 | 9.1 | 2.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 30% of the time across spring.
Chance of precipitation in Spring
Arouca gets around 420 mm of rain over 39 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 hours in early March to 14 h 42 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.2 kWh/m².
Hazard calendar for Arouca
In spring, Arouca overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Arouca's rainy season runs October–May, when most of the year's rain falls.
Is spring a good time to visit Arouca?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Arouca for sightseeing.
What to pack for Arouca in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Arouca sees daytime highs around 17°C and nights near 8°C. Pack rain gear and sun protection. Worth having: a warm layer. About 39 days see rain.
Sea temperature near Arouca in Spring
The nearest coast averages about 15°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 39 km away) is warmest in September at about 17°C and coldest in February near 13°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 14 | 14 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 14 | Bracing |
| Apr | 14 | Bracing |
| May | 16 | Cool |
| Jun | 17 | Cool |
| Jul | 17 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 17 | Cool |
| Nov | 16 | Cool |
| Dec | 14 | Bracing |
UV index in Arouca in Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arouca peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 7 | 9 | 9 | 8 | 5 | 5 | 2 | 2 |
| Level | Low | Moderate | High | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Arouca in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Arouca is worst in August — around 25 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (November, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 11 | 14 | 12 | 8 | 9 | 9 | 25 | 24 | 18 | 7 | 7 |
| Level | Good | Good | Moderate | Moderate | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 14 | Moderate |
| Apr | 12 | Moderate |
| May | 8 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 25 | Moderate |
| Sep | 24 | Moderate |
| Oct | 18 | Moderate |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Arouca?
Arouca sits at 40.9°N, 8.2°W, 313 m above sea level, in Portugal. The nearest listed city is São João da Madeira, 21 km away.
Topography around Arouca
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arouca.
Within 3 km, the terrain around Arouca has significant variations in elevation — a maximum elevation change of 542 m around an average of 452 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,202 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,714 m.
The land around Arouca is covered by trees (65%) and grassland (27%) within 3 km, trees (62%) and grassland (34%) within 16 km, and trees (42%) and grassland (33%) within 80 km.
Portugal travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $32,082
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2022
- Road deaths
- 8.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 612
- Religion
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 Arouca (40.9306°, -8.2449°, elevation 313 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.