Leça do Bailio weather in April

In April, Leça do Bailio sees average daytime highs of 16°C and overnight lows near 12°C, with 107 mm of rain across 11.2 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 16°C through the month. The sky is clear or mostly clear about 39% 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 Leça do Bailio's 6th-clearest and 5th-windiest month. For the whole year in context, see Leça do Bailio's year-round climate.

Daytime high
16°
7th warmest
Overnight low
12°
6th coldest
Rainfall
107 mm
11.2 wet days
Daylight
13 h 06 min
6:02 AM – 7:08 PM
Cloud cover
52%
6th clearest
Wind
16 km/h
5th windiest
Solar energy
5.53 kWh/m²
Travel score
5.1
out of 10

Leça do Bailio is human settlement in Portugal.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical April day in Leça do Bailio reaches about 16°C in the afternoon and slips back to 12°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 20°C. Set against its neighbours, April runs about 1°C warmer than March and about 2°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11611
21611
31611
41611
51611
61611
71612
81612
91612
101612
111612
121612
131612
141612
151612
161612
171612
181612
191612
201612
211612
221712
231712
241712
251712
261712
271712
281713
291713
301713

Leça do Bailio 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 13312.39.43.5
Feb14° / 919.310.33.9
Mar15° / 11°10610.211.74.7
Apr16° / 12°10711.213.15.1
May18° / 14°9010.414.36.1
Jun21° / 16°315.514.97.4
Jul22° / 18°183.414.78.4
Aug23° / 18°223.813.68.4
Sep22° / 17°546.312.37.4
Oct19° / 15°14812.510.95.9
Nov16° / 12°15613.39.74.6
Dec14° / 10°15112.89.13.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25446
35446
45446
55545
65644
75743
85743
95743
105842
115842
125842
135842
145743
155743
165743
175644
185644
195545
205545
215545
225446
235545
245545
255545
265545
275545
285743
295743
305743

Chance of precipitation in April

Any precipitation

Leça do Bailio gets around 107 mm of rain over 11.2 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 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
237
337
437
536
636
736
835
935
1035
1136
1236
1337
1437
1538
1639
1739
1839
1940
2040
2140
2240
2339
2439
2539
2638
2737
2837
2936
3036

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 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19460
29370
39280
49190
59190
690100
789110
889110
988120
1088120
1187130
1287130
1386140
1486140
1586140
1685150
1785150
1885150
1984160
2084160
2183161
2282171
2382171
2481181
2581181
2680191
2778202
2877212
2976222
3075232

Wind in April

Winds average 16 km/h in April.

Across April, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

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 6:27 AM to 5:41 AM, and sunset from 6:52 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:276:52
212.56:256:53
312.56:236:54
412.66:226:55
512.66:206:56
612.66:186:57
712.76:176:58
812.76:156:59
912.86:137:00
1012.86:127:01
1112.96:107:02
1212.96:087:03
1313.06:077:05
1413.06:057:06
1513.16:037:07
1613.16:027:08
1713.16:007:09
1813.25:597:10
1913.25:577:11
2013.35:557:12
2113.35:547:13
2213.45:527:14
2313.45:517:15
2413.55:497:17
2513.55:487:18
2613.55:467:19
2713.65:457:20
2813.65:447:21
2913.75:427:22
3013.75:417:23

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.53 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 7.33 kWh/m² in July across the year — April's 5.53 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.9Bright
265.9Bright
275.9Bright
286.0Bright
296.0Intense
306.0Intense
Planning a trip in April

Hazard calendar for Leça do Bailio

In seasonPeak

In April, Leça do Bailio sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Leça do Bailio'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 Leça do Bailio?

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

5.1
Sightseeing
7th-best month of the year
0.8
Beach & pool
7th-best month of the year

April is a reasonable time to visit Leça do Bailio for sightseeing.

What to pack for Leça do Bailio in April

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

In April, Leça do Bailio sees daytime highs around 16°C and nights near 12°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Leça do Bailio 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 offshore 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 Leça do Bailio 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 Leça do Bailio peaks around June 23 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Leça do Bailio 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 Leça do Bailio is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1318 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Moderate
Apr11Good
May9Good
Jun9Good
Jul8Good
Aug16Moderate
Sep19Moderate
Oct13Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Leça do Bailio?

Leça do Bailio sits at 41.2°N, 8.6°W, 90 m above sea level, in Portugal. The nearest listed city is São Tiago de Custoias, 1.0 km away.

Topography around Leça do Bailio

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

Within 3 km, the terrain around Leça do Bailio has only modest variations in elevation — a maximum elevation change of 105 m around an average of 69 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 377 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,466 m.

The land around Leça do Bailio is covered by artificial surfaces (50%) and trees (26%) within 3 km, trees (29%), water (28%) and artificial surfaces (24%) within 16 km, and trees (41%), water (27%) and grassland (24%) within 80 km.

3 km
105 m
16 km
377 m
80 km
1,466 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: São Tiago de Custoias 1.0 km · Maia 3.0 km · São Mamede de Infesta 3.0 km · Senhora da Hora 3.0 km · Vermoim 4.0 km · Águas Santas 5.0 km · Paranhos 5.0 km · Matosinhos 6.0 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 Leça do Bailio (41.212°, -8.6342°, elevation 90 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).