Arouca weather in March

In March, Arouca sees average daytime highs of 16°C and overnight lows near 6°C, with 142 mm of rain across 11.7 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 16°C by the end. The sky is clear or mostly clear about 33% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Arouca's 8th-clearest and 1st-windiest month. For the whole year in context, see Arouca's year-round climate.

Daytime high
16°
8th warmest
Overnight low
4th coldest
Rainfall
142 mm
11.7 wet days
Daylight
11 h 42 min
6:53 AM – 6:33 PM
Cloud cover
58%
8th clearest
Wind
9 km/h
1st windiest
Solar energy
4.12 kWh/m²
Travel score
4.6
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 16°C by the end.

A typical March day in Arouca reaches about 16°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 21°C. Set against its neighbours, March runs about 3°C warmer than February and about 1°C cooler than April.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1145
2145
3145
4146
5146
6156
7156
8156
9156
10156
11156
12166
13166
14166
15167
16167
17167
18167
19167
20167
21167
22167
23167
24167
25167
26167
27167
28167
29167
30167
31167

Arouca weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 18212.59.42.7
Feb13° / 1249.910.43.5
Mar16° / 14211.711.74.6
Apr17° / 14813.713.15.0
May20° / 10°12913.114.35.9
Jun23° / 13°567.914.97.3
Jul26° / 15°30514.68.1
Aug26° / 15°385.313.67.9
Sep23° / 13°838.212.37.3
Oct19° / 11°19713.410.95.7
Nov14° / 18313.19.73.9
Dec12° / 19712.59.12.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34258
44258
54258
64258
74456
84555
94555
104654
114753
124852
134951
144951
154951
165149
175149
185149
195050
205050
214951
224951
234852
244753
254555
264456
274456
284357
294357
304357
314357

Chance of precipitation in March

Any precipitation

Arouca gets around 142 mm of rain over 11.7 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
140
240
339
439
539
638
737
836
935
1034
1134
1233
1332
1432
1532
1632
1733
1834
1934
2035
2136
2238
2339
2440
2541
2642
2743
2844
2945
3045
3145

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 9 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 hours at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over March. Sunrise moves from 7:17 AM to 6:27 AM, and sunset from 6:15 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:176:15
211.07:156:17
311.17:146:18
411.17:126:19
511.27:116:20
611.27:096:21
711.27:086:22
811.37:066:24
911.37:046:25
1011.47:036:26
1111.47:016:27
1211.56:596:28
1311.56:586:29
1411.66:566:30
1511.66:546:31
1611.76:536:33
1711.76:516:34
1811.86:496:35
1911.86:486:36
2011.86:466:37
2111.96:446:38
2211.96:436:39
2312.06:416:40
2412.06:396:41
2512.16:376:42
2612.16:366:43
2712.26:346:44
2812.26:326:46
2912.36:316:47
3012.36:296:48
3112.46:276:49

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.12 kWh/m².

For context, solar energy here swings from a low near 1.65 kWh/m² to a high of 7.22 kWh/m² in July across the year — March's 4.12 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.5Moderate
33.5Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.9Moderate
103.9Moderate
114.0Moderate
124.0Bright
134.1Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.7Bright
Planning a trip in March

Hazard calendar for Arouca

In seasonPeak

In March, Arouca sits inside 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.

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

Is March a good time to visit Arouca?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.6
Sightseeing
8th-best month of the year
0.4
Beach & pool
8th-best month of the year

March is a reasonable time to visit Arouca for sightseeing.

What to pack for Arouca in March

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

In March, Arouca sees daytime highs around 16°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Arouca in March

The nearest coast averages about 14°C in March — 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.

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr14Bracing
May16Cool
Jun17Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov16Cool
Dec14Bracing

UV index in Arouca in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 12UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep5High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Arouca in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 2425 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr12Moderate
May8Good
Jun9Good
Jul9Good
Aug25Moderate
Sep24Moderate
Oct18Moderate
Nov7Good
Dec7Good
Location & terrain

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.

3 km
542 m
16 km
1,202 m
80 km
1,714 m
treesshrubsgrasslandcroplandartificial surfaceswater
March weather nearby: São João da Madeira 21 km · Feira 25 km · Baião 31 km · Paredes 31 km · São Pedro da Cova 32 km · Ovar 33 km · Gondomar 34 km · Espinho 34 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
Catholic 68%not applicable 13%no religion 12%no response 2%

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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).