Leiria weather in October

In October, Leiria sees average daytime highs of 21°C and overnight lows near 13°C, with 96 mm of rain across 10.4 wet days and about 10.9 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 19°C by the end. The sky is clear or mostly clear about 37% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 18 min by month's end. Set against the rest of the year, October is Leiria's 6th-clearest and 11th-windiest month. For the whole year in context, see Leiria's year-round climate.

Daytime high
21°
5th warmest
Overnight low
13°
8th coldest
Rainfall
96 mm
10.4 wet days
Daylight
10 h 54 min
6:52 AM – 5:48 PM
Cloud cover
53%
6th clearest
Wind
13 km/h
11th windiest
Solar energy
3.47 kWh/m²
Travel score
6.5
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 19°C by the end.

A typical October day in Leiria reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, October runs about 3°C cooler than September and about 5°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32314
42313
52313
62213
72213
82213
92213
102213
112213
122213
132213
142113
152113
162113
172113
182113
192113
202113
212012
222012
232012
242012
252012
262012
272012
281912
291912
301912
311912

Leiria weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 2nd-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46139
56139
66040
75941
85941
95842
105743
115644
125644
135545
145446
155347
165347
175149
185050
195050
204951
214951
224951
234852
244753
254753
264555
274555
284456
294456
304456
314357

Chance of precipitation in October

Any precipitation

Leiria gets around 96 mm of rain over 10.4 wet days in October. 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 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
123
224
324
425
525
626
727
828
929
1030
1132
1233
1335
1436
1537
1638
1738
1839
1939
2039
2140
2240
2340
2440
2540
2640
2740
2840
2940
3040
3140

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14138191
24337181
34437181
44536172
54636172
64736162
74835152
84935152
94935141
105035141
115135131
125135131
135135131
145135131
155135131
165135131
175135131
185135131
195234131
205234131
215234131
225333131
235333131
245333131
255432131
265532121
275631121
285631121
295830111
305929111
316228100

Wind in October

Winds average 13 km/h in October.

Across October, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 6:37 AM to 7:09 AM, and sunset from 6:12 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:376:12
211.56:386:10
311.56:396:09
411.56:406:07
511.46:416:05
611.46:426:04
711.36:436:02
811.36:446:00
911.26:455:59
1011.26:465:57
1111.16:475:56
1211.16:485:54
1311.16:495:53
1411.06:505:51
1511.06:515:50
1610.96:525:48
1710.96:535:47
1810.86:545:45
1910.86:565:44
2010.86:575:43
2110.76:585:41
2210.76:595:40
2310.67:005:38
2410.67:015:37
2510.67:025:36
2610.57:035:35
2710.57:045:33
2810.47:065:32
2910.47:075:31
3010.47:085:30
3110.37:095:29

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.47 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 — October's 3.47 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.1Bright
64.0Bright
74.0Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.5Moderate
153.5Moderate
163.4Moderate
173.4Moderate
183.3Moderate
193.2Moderate
203.2Moderate
213.1Moderate
223.1Moderate
233.0Moderate
243.0Moderate
253.0Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in October

Hazard calendar for Leiria

In seasonPeak

In October, 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 October a good time to visit Leiria?

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

6.5
Sightseeing
6th-best month of the year
4.1
Beach & pool
6th-best month of the year

October is a reasonable time to visit Leiria for sightseeing.

What to pack for Leiria in October

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

In October, Leiria sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Leiria in October

The nearest coast averages about 18°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — 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 October

GoodModeratePoorUnhealthyVery unhealthy

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