Leiria weather in March

In March, Leiria sees average daytime highs of 17°C and overnight lows near 9°C, with 70 mm of rain across 9.6 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 16°C in the first days to 18°C by the end. The sky is clear or mostly clear about 35% 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 18 min by month's end. Set against the rest of the year, March is Leiria's 9th-clearest and 3rd-windiest month. For the whole year in context, see Leiria's year-round climate.

Daytime high
17°
8th warmest
Overnight low
4th coldest
Rainfall
70 mm
9.6 wet days
Daylight
11 h 42 min
6:55 AM – 6:35 PM
Cloud cover
54%
9th clearest
Wind
14 km/h
3rd windiest
Solar energy
4.45 kWh/m²
Travel score
5.8
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 18°C by the end.

A typical March day in Leiria reaches about 17°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°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)
1168
2168
3168
4168
5168
6168
7178
8178
9178
10178
11178
12179
13179
14189
15189
16189
17189
18189
19189
20189
21189
22189
23189
24189
25189
26189
27189
28189
29189
30189
31189

Leiria 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
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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34555
44555
54555
64753
74753
84852
94951
105149
115248
125446
135446
145446
155545
165644
175743
185644
195545
205644
215545
225446
235347
245347
255248
265149
275050
284951
295050
305050
315050

Chance of precipitation in March

Any precipitation

Leiria gets around 70 mm of rain over 9.6 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 31% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
333
433
533
632
732
831
930
1029
1129
1228
1328
1427
1527
1627
1727
1828
1928
2029
2130
2231
2331
2432
2533
2634
2735
2835
2936
3036
3136

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6973
7973
8973
9982
10982
11973
12973
13973
14973
15973
16973
17973
18973
19973
20973
21973
22973
23973
24964
25964
26964
27964
28964
29964
30964
31955

Wind in March

Winds average 14 km/h in March.

Across March, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
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
1513light 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
3114light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 hours at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over March. Sunrise moves from 7:18 AM to 6:30 AM, and sunset from 6:19 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:186:19
211.17:166:20
311.17:156:21
411.17:136:22
511.27:126:23
611.27:106:25
711.37:096:26
811.37:076:27
911.47:066:28
1011.47:046:29
1111.57:036:30
1211.57:016:31
1311.56:596:32
1411.66:586:33
1511.66:566:34
1611.76:556:35
1711.76:536:36
1811.86:516:37
1911.86:506:38
2011.96:486:39
2111.96:466:40
2211.96:456:41
2312.06:436:42
2412.06:416:43
2512.16:406:44
2612.16:386:45
2712.26:366:47
2812.26:356:48
2912.36:336:49
3012.36:316:50
3112.36:306:51

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.45 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 — March's 4.45 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.8Moderate
33.8Moderate
43.9Moderate
53.9Moderate
64.0Moderate
74.0Bright
84.1Bright
94.2Bright
104.2Bright
114.3Bright
124.3Bright
134.4Bright
144.5Bright
154.5Bright
164.5Bright
174.6Bright
184.6Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in March

Hazard calendar for Leiria

In seasonPeak

In March, 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 March a good time to visit Leiria?

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

5.8
Sightseeing
8th-best month of the year
1.5
Beach & pool
8th-best month of the year

March is a reasonable time to visit Leiria for sightseeing.

What to pack for Leiria in March

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

In March, Leiria sees daytime highs around 17°C and nights near 9°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Leiria 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 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 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 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 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
March 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).