Leiria weather in April

In April, Leiria sees average daytime highs of 19°C and overnight lows near 10°C, with 73 mm of rain across 10.5 wet days and about 13 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 34% 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 36 min by month's end. Set against the rest of the year, April is Leiria's 8th-clearest and 3rd-windiest month. For the whole year in context, see Leiria's year-round climate.

Daytime high
19°
7th warmest
Overnight low
10°
6th coldest
Rainfall
73 mm
10.5 wet days
Daylight
13 hours
6:04 AM – 7:07 PM
Cloud cover
54%
8th clearest
Wind
14 km/h
3rd windiest
Solar energy
5.63 kWh/m²
Travel score
6.0
out of 10

Leiria is city seat of Leiria municipality.

Air quality
Moderate
PM2.5 11.8 µg/m³ · 2010

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 19°C through the month.

A typical April day in Leiria reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, April runs about 1°C warmer than March and about 3°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1189
2189
3189
4189
5189
6189
71810
81810
91810
101810
111810
121810
131810
141810
151810
161810
171910
181910
191910
201910
211910
221910
231910
241910
251910
261910
271910
281910
291910
301911

Leiria 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
Jan14° / 8810.59.53.9
Feb15° / 668.610.44.6
Mar17° / 709.611.75.8
Apr19° / 10°7310.5136.0
May21° / 12°638.714.26.9
Jun24° / 14°183.814.88.3
Jul26° / 15°61.814.58.7
Aug26° / 15°102.113.68.5
Sep25° / 14°415.612.38.0
Oct21° / 13°9610.410.96.5
Nov17° / 9811.69.85.2
Dec14° / 9210.49.24.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25050
35050
45149
55248
65248
75347
85446
95446
105446
115347
125347
135347
145347
155248
165248
175248
185248
195149
205149
215149
225149
235248
245248
255248
265248
275347
285347
295347
305446

Chance of precipitation in April

Any precipitation

Leiria gets around 73 mm of rain over 10.5 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
435
534
634
734
834
934
1033
1134
1234
1334
1435
1535
1635
1736
1836
1936
2036
2136
2236
2335
2435
2534
2634
2733
2832
2932
3031

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19550
29550
39550
49460
59460
69460
79460
89460
99460
109460
119460
129460
139370
149370
159370
169370
179280
189280
199280
209190
219190
2290100
2390100
2488111
2588111
2687121
2786131
2886131
2986131
3085141

Wind in April

Winds average 14 km/h in April.

Across April, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 6:28 AM to 5:44 AM, and sunset from 6:52 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:286:52
212.46:276:53
312.56:256:54
412.56:236:55
512.66:226:56
612.66:206:57
712.76:186:58
812.76:176:59
912.76:157:00
1012.86:137:01
1112.86:127:02
1212.96:107:03
1312.96:097:04
1413.06:077:05
1513.06:067:06
1613.06:047:07
1713.16:037:08
1813.16:017:09
1913.26:007:10
2013.25:587:11
2113.35:577:12
2213.35:557:13
2313.35:547:14
2413.45:527:15
2513.45:517:16
2613.55:497:17
2713.55:487:18
2813.55:477:19
2913.65:457:20
3013.65:447:21

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.63 kWh/m².

For context, solar energy here swings from a low near 1.91 kWh/m² to a high of 7.48 kWh/m² in July across the year — April's 5.63 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
256.0Bright
266.0Intense
276.0Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in April

Hazard calendar for Leiria

In seasonPeak

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

Leiria'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 Leiria?

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

6.0
Sightseeing
7th-best month of the year
2.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit Leiria for sightseeing.

What to pack for Leiria in April

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

In April, Leiria sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Leiria in April

The nearest coast averages about 15°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 30 km away) is warmest in August at about 19°C and coldest in February near 14°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May16Cool
Jun18Cool
Jul18Cool
Aug19Cool
Sep19Cool
Oct18Cool
Nov17Cool
Dec15Cool

UV index in Leiria in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Leiria peaks around July 14 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 14UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Leiria 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 Leiria is worst in August — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Leiria's WHO annual average of 11.8 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateModerateGoodAug 1816 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar14Moderate
Apr12Moderate
May10Good
Jun13Moderate
Jul11Good
Aug16Moderate
Sep13Moderate
Oct16Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Leiria?

Leiria sits at 39.7°N, 8.8°W, 33 m above sea level, in Portugal. The nearest listed city is Marinha Grande, 11 km away.

Topography around Leiria

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

Within 3 km, the terrain around Leiria has only modest variations in elevation — a maximum elevation change of 138 m around an average of 73 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 520 m; within 80 km, large variations in elevation — a maximum elevation change of 1,199 m.

The land around Leiria is covered by trees (37%), artificial surfaces (34%) and grassland (23%) within 3 km, trees (60%) and grassland (26%) within 16 km, and trees (47%), water (24%) and grassland (21%) within 80 km.

3 km
138 m
16 km
520 m
80 km
1,199 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Marinha Grande 11 km · Pombal 25 km · Alcobaça 26 km · Monsanto 32 km · Torres Novas 37 km · Tomar 38 km · Entroncamento 42 km · Figueira da Foz 46 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 Leiria (39.7436°, -8.8071°, elevation 33 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).