Leiria in Spring

In spring (March, April and May), Leiria sees average daytime highs around 19°C and overnight lows near 10°C, with 206 mm of rain over about 29 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 16°C in early March to 22°C by late May. The sky is clear or mostly clear about 36% of the time across spring, and the air most often feels dry.

Spring is Leiria's 3rd-best season to visit on our travel score. For the whole year in context, see Leiria's year-round climate.

Avg daytime high: 19°C; 3rd-warmest season
Avg overnight low: 10°C
Rainfall: 206 mm; 29 wet days
Avg wind: 14 km/h
Travel score: 6.2; 3rd-best season
Months: Mar · Apr · May

← Winter Leiria year-round climate Summer →

Spring Summer Fall Winter

Temperature in Leiria in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 16°C in early March to 22°C by late May.

A typical spring day in Leiria reaches about 19°C and drops to 10°C overnight. The warmest of the three months is May, the coolest March.

Leiria weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	14° / 6°	88	10.5	9.5	3.9
Feb	15° / 7°	66	8.6	10.4	4.6
Mar	17° / 9°	70	9.6	11.7	5.8
Apr	19° / 10°	73	10.5	13	6.0
May	21° / 12°	63	8.7	14.2	6.9
Jun	24° / 14°	18	3.8	14.8	8.3
Jul	26° / 15°	6	1.8	14.5	8.7
Aug	26° / 15°	10	2.1	13.6	8.5
Sep	25° / 14°	41	5.6	12.3	8.0
Oct	21° / 13°	96	10.4	10.9	6.5
Nov	17° / 9°	98	11.6	9.8	5.2
Dec	14° / 7°	92	10.4	9.2	4.2

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Leiria gets around 206 mm of rain over 29 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

Wind in Spring

Winds average 14 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 hours in early March to 14 h 36 min by late May. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.6 kWh/m².

Planning a trip in spring

Hazard calendar for Leiria

In seasonPeak

In spring, Leiria overlaps 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 spring a good time to visit Leiria?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.2

Sightseeing

3rd-best month of the year

2.7

Beach & pool

3rd-best month of the year

spring is a reasonable time to visit Leiria for sightseeing.

What to pack for Leiria in Spring

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

In spring, Leiria sees daytime highs around 19°C and nights near 10°C. Pack sun protection. Worth having: rain gear. About 29 days see rain.

sun protectionrain gear

Sea temperature near Leiria in Spring

The nearest coast averages about 15°C across spring — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	15	14	14	15	16	18	18	19	19	18	17	15
Comfort	Bracing	Bracing	Bracing	Cool	Cool	Cool	Cool	Cool	Cool	Cool	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	15	Bracing
Feb	14	Bracing
Mar	14	Bracing
Apr	15	Cool
May	16	Cool
Jun	18	Cool
Jul	18	Cool
Aug	19	Cool
Sep	19	Cool
Oct	18	Cool
Nov	17	Cool
Dec	15	Cool

UV index in Leiria in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	6	7	7	9	9	8	6	5	2	2
Level	Low	Moderate	High	Very high	High	Very high	Very high	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Low
Feb	3	Moderate
Mar	6	High
Apr	7	Very high
May	7	High
Jun	9	Very high
Jul	9	Very high
Aug	8	Very high
Sep	6	High
Oct	5	Moderate
Nov	2	Moderate
Dec	2	Low

Air quality in Leiria in Spring

GoodModeratePoorUnhealthyVery unhealthy

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	9	11	14	12	10	13	11	16	13	16	8	8
Level	Good	Good	Moderate	Moderate	Good	Moderate	Good	Moderate	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	9	Good
Feb	11	Good
Mar	14	Moderate
Apr	12	Moderate
May	10	Good
Jun	13	Moderate
Jul	11	Good
Aug	16	Moderate
Sep	13	Moderate
Oct	16	Moderate
Nov	8	Good
Dec	8	Good

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

trees 37%

16 km

520 m

trees 60%

80 km

1,199 m

trees 47%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← Winter Leiria year-round climate Summer →

Spring 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

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.