Arouca weather in April

In April, Arouca sees average daytime highs of 17°C and overnight lows near 8°C, with 148 mm of rain across 13.7 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 29% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 42 min by month's end. Set against the rest of the year, April is Arouca's 10th-clearest and 3rd-windiest month. For the whole year in context, see Arouca's year-round climate.

Daytime high: 17°; 7th warmest
Overnight low: 8°; 6th coldest
Rainfall: 148 mm; 13.7 wet days
Daylight: 13 h 06 min; 6:00 AM – 7:06 PM
Cloud cover: 60%; 10th clearest
Wind: 9 km/h; 3rd windiest
Solar energy: 5.21 kWh/m²
Travel score: 5.0; out of 10

← March Arouca year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical April day in Arouca reaches about 17°C in the afternoon and slips back to 8°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 23°C. Set against its neighbours, April runs about 1°C warmer than March and about 3°C cooler than May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	16	16	16	16	16	16	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	18	18	18	18
Avg low (°C)	7	7	7	7	7	7	7	7	7	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	9	9

	Avg high (°C)	Avg low (°C)
1	16	7
2	16	7
3	16	7
4	16	7
5	16	7
6	16	7
7	17	7
8	17	7
9	17	7
10	17	8
11	17	8
12	17	8
13	17	8
14	17	8
15	17	8
16	17	8
17	17	8
18	17	8
19	17	8
20	17	8
21	17	8
22	17	8
23	17	8
24	17	8
25	17	8
26	17	8
27	18	8
28	18	8
29	18	9
30	18	9

Arouca weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 57%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	43	44	44	44	45	46	46	46	48	48	48	46	46	46	45	44	43	43	42	41	40	40	40	39	40	40	40	40	40	41
Cloudier (%)	57	56	56	56	55	54	54	54	52	52	52	54	54	54	55	56	57	57	58	59	60	60	60	61	60	60	60	60	60	59

	Clearer (%)	Cloudier (%)
1	43	57
2	44	56
3	44	56
4	44	56
5	45	55
6	46	54
7	46	54
8	46	54
9	48	52
10	48	52
11	48	52
12	46	54
13	46	54
14	46	54
15	45	55
16	44	56
17	43	57
18	43	57
19	42	58
20	41	59
21	40	60
22	40	60
23	40	60
24	39	61
25	40	60
26	40	60
27	40	60
28	40	60
29	40	60
30	41	59

Chance of precipitation in April

Any precipitation

Arouca gets around 148 mm of rain over 13.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 45% and peaks near 46% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	45	45	45	45	45	45	44	44	44	44	44	44	45	45	45	46	46	46	46	46	46	46	46	46	46	45	45	44	44	43

	Rain chance (%)
1	45
2	45
3	45
4	45
5	45
6	45
7	44
8	44
9	44
10	44
11	44
12	44
13	45
14	45
15	45
16	46
17	46
18	46
19	46
20	46
21	46
22	46
23	46
24	46
25	46
26	45
27	45
28	44
29	44
30	43

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	98	98	98	98	97	97	96	96	96	95	94
Comfortable (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	3	3	4	4	4	5	6

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	98	2
21	98	2
22	98	2
23	98	2
24	97	3
25	97	3
26	96	4
27	96	4
28	96	4
29	95	5
30	94	6

Wind in April

Winds average 9 km/h in April.

Across April, 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	9	calm
14	9	calm
15	9	calm
16	9	calm
17	9	calm
18	9	calm
19	9	calm
20	9	calm
21	9	calm
22	9	calm
23	9	calm
24	9	calm
25	9	calm
26	9	calm
27	9	calm
28	9	calm
29	9	calm
30	9	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 6:25 AM to 5:40 AM, and sunset from 6:50 PM to 7:21 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.4	12.5	12.5	12.5	12.6	12.6	12.7	12.7	12.8	12.8	12.9	12.9	13.0	13.0	13.0	13.1	13.1	13.2	13.2	13.3	13.3	13.4	13.4	13.4	13.5	13.5	13.6	13.6	13.6	13.7
Sunrise (AM)	6:25	6:24	6:22	6:20	6:19	6:17	6:15	6:14	6:12	6:10	6:09	6:07	6:05	6:04	6:02	6:00	5:59	5:57	5:56	5:54	5:53	5:51	5:50	5:48	5:47	5:45	5:44	5:42	5:41	5:40
Sunset (PM)	6:50	6:51	6:52	6:53	6:54	6:55	6:56	6:57	6:58	6:59	7:01	7:02	7:03	7:04	7:05	7:06	7:07	7:08	7:09	7:10	7:11	7:12	7:13	7:15	7:16	7:17	7:18	7:19	7:20	7:21

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	6:25	6:50
2	12.5	6:24	6:51
3	12.5	6:22	6:52
4	12.5	6:20	6:53
5	12.6	6:19	6:54
6	12.6	6:17	6:55
7	12.7	6:15	6:56
8	12.7	6:14	6:57
9	12.8	6:12	6:58
10	12.8	6:10	6:59
11	12.9	6:09	7:01
12	12.9	6:07	7:02
13	13.0	6:05	7:03
14	13.0	6:04	7:04
15	13.0	6:02	7:05
16	13.1	6:00	7:06
17	13.1	5:59	7:07
18	13.2	5:57	7:08
19	13.2	5:56	7:09
20	13.3	5:54	7:10
21	13.3	5:53	7:11
22	13.4	5:51	7:12
23	13.4	5:50	7:13
24	13.4	5:48	7:15
25	13.5	5:47	7:16
26	13.5	5:45	7:17
27	13.6	5:44	7:18
28	13.6	5:42	7:19
29	13.6	5:41	7:20
30	13.7	5:40	7:21

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.21 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 — April's 5.21 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	4.7	4.7	4.8	4.8	4.9	4.9	5.0	5.0	5.0	5.1	5.1	5.1	5.2	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.5	5.5	5.5	5.6	5.6	5.6	5.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.7	Bright
2	4.7	Bright
3	4.8	Bright
4	4.8	Bright
5	4.9	Bright
6	4.9	Bright
7	5.0	Bright
8	5.0	Bright
9	5.0	Bright
10	5.1	Bright
11	5.1	Bright
12	5.1	Bright
13	5.2	Bright
14	5.2	Bright
15	5.2	Bright
16	5.2	Bright
17	5.3	Bright
18	5.3	Bright
19	5.3	Bright
20	5.3	Bright
21	5.4	Bright
22	5.4	Bright
23	5.4	Bright
24	5.5	Bright
25	5.5	Bright
26	5.5	Bright
27	5.6	Bright
28	5.6	Bright
29	5.6	Bright
30	5.7	Bright

Planning a trip in April

Hazard calendar for Arouca

In seasonPeak

In April, 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 April a good time to visit Arouca?

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

5.0

Sightseeing

7th-best month of the year

1.2

Beach & pool

7th-best month of the year

April is a reasonable time to visit Arouca for sightseeing.

What to pack for Arouca in April

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

In April, Arouca sees daytime highs around 17°C and nights near 8°C. Pack rain gear. Worth having: a warm layer and sun protection. About 14 days see rain.

rain geara warm layersun protection

Sea temperature near Arouca in April

The nearest coast averages about 14°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks 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 April

GoodModeratePoorUnhealthyVery unhealthy

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

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

trees 65%

16 km

1,202 m

trees 62%

80 km

1,714 m

trees 42%

treesshrubsgrasslandcroplandartificial surfaceswater

← March Arouca year-round climate May →Best places to visit in April

April 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

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).

	Avg high (°C)	Avg low (°C)
1	16	7
2	16	7
3	16	7
4	16	7
5	16	7
6	16	7
7	17	7
8	17	7
9	17	7
10	17	8
11	17	8
12	17	8
13	17	8
14	17	8
15	17	8
16	17	8
17	17	8
18	17	8
19	17	8
20	17	8
21	17	8
22	17	8
23	17	8
24	17	8
25	17	8
26	17	8
27	18	8
28	18	8
29	18	9
30	18	9

	Clearer (%)	Cloudier (%)
1	43	57
2	44	56
3	44	56
4	44	56
5	45	55
6	46	54
7	46	54
8	46	54
9	48	52
10	48	52
11	48	52
12	46	54
13	46	54
14	46	54
15	45	55
16	44	56
17	43	57
18	43	57
19	42	58
20	41	59
21	40	60
22	40	60
23	40	60
24	39	61
25	40	60
26	40	60
27	40	60
28	40	60
29	40	60
30	41	59

	Rain chance (%)
1	45
2	45
3	45
4	45
5	45
6	45
7	44
8	44
9	44
10	44
11	44
12	44
13	45
14	45
15	45
16	46
17	46
18	46
19	46
20	46
21	46
22	46
23	46
24	46
25	46
26	45
27	45
28	44
29	44
30	43

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	98	2
21	98	2
22	98	2
23	98	2
24	97	3
25	97	3
26	96	4
27	96	4
28	96	4
29	95	5
30	94	6

	Avg high (°C)	Avg low (°C)
1	16	7
2	16	7
3	16	7
4	16	7
5	16	7
6	16	7
7	17	7
8	17	7
9	17	7
10	17	8
11	17	8
12	17	8
13	17	8
14	17	8
15	17	8
16	17	8
17	17	8
18	17	8
19	17	8
20	17	8
21	17	8
22	17	8
23	17	8
24	17	8
25	17	8
26	17	8
27	18	8
28	18	8
29	18	9
30	18	9

	Clearer (%)	Cloudier (%)
1	43	57
2	44	56
3	44	56
4	44	56
5	45	55
6	46	54
7	46	54
8	46	54
9	48	52
10	48	52
11	48	52
12	46	54
13	46	54
14	46	54
15	45	55
16	44	56
17	43	57
18	43	57
19	42	58
20	41	59
21	40	60
22	40	60
23	40	60
24	39	61
25	40	60
26	40	60
27	40	60
28	40	60
29	40	60
30	41	59

	Rain chance (%)
1	45
2	45
3	45
4	45
5	45
6	45
7	44
8	44
9	44
10	44
11	44
12	44
13	45
14	45
15	45
16	46
17	46
18	46
19	46
20	46
21	46
22	46
23	46
24	46
25	46
26	45
27	45
28	44
29	44
30	43

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	98	2
21	98	2
22	98	2
23	98	2
24	97	3
25	97	3
26	96	4
27	96	4
28	96	4
29	95	5
30	94	6

	Avg high (°C)	Avg low (°C)
1	16	7
2	16	7
3	16	7
4	16	7
5	16	7
6	16	7
7	17	7
8	17	7
9	17	7
10	17	8
11	17	8
12	17	8
13	17	8
14	17	8
15	17	8
16	17	8
17	17	8
18	17	8
19	17	8
20	17	8
21	17	8
22	17	8
23	17	8
24	17	8
25	17	8
26	17	8
27	18	8
28	18	8
29	18	9
30	18	9

	Clearer (%)	Cloudier (%)
1	43	57
2	44	56
3	44	56
4	44	56
5	45	55
6	46	54
7	46	54
8	46	54
9	48	52
10	48	52
11	48	52
12	46	54
13	46	54
14	46	54
15	45	55
16	44	56
17	43	57
18	43	57
19	42	58
20	41	59
21	40	60
22	40	60
23	40	60
24	39	61
25	40	60
26	40	60
27	40	60
28	40	60
29	40	60
30	41	59

	Rain chance (%)
1	45
2	45
3	45
4	45
5	45
6	45
7	44
8	44
9	44
10	44
11	44
12	44
13	45
14	45
15	45
16	46
17	46
18	46
19	46
20	46
21	46
22	46
23	46
24	46
25	46
26	45
27	45
28	44
29	44
30	43

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	98	2
21	98	2
22	98	2
23	98	2
24	97	3
25	97	3
26	96	4
27	96	4
28	96	4
29	95	5
30	94	6