Marinha Grande weather in October

In October, Marinha Grande sees average daytime highs of 19°C and overnight lows near 15°C, with 103 mm of rain across 10.5 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 20°C in the first days to 18°C by the end. The sky is clear or mostly clear about 39% of the time in October, and the air most often feels comfortable.

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 Marinha Grande's 7th-clearest and 11th-windiest month. For the whole year in context, see Marinha Grande's year-round climate.

Daytime high
19°
5th warmest
Overnight low
15°
8th coldest
Rainfall
103 mm
10.5 wet days
Daylight
10 h 54 min
6:53 AM – 5:49 PM
Cloud cover
51%
7th clearest
Wind
16 km/h
11th windiest
Solar energy
3.51 kWh/m²
Travel score
6.2
out of 10

Marinha Grande is capital city of the Marinha Grande municipality, Portugal.

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 20°C in the first days to 18°C by the end.

A typical October day in Marinha Grande reaches about 19°C in the afternoon and slips back to 15°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 22°C. Set against its neighbours, October runs about 2°C cooler than September and about 3°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12016
22016
32016
42016
52016
62016
72015
82015
92015
102015
112015
122015
132015
142015
151915
161915
171915
181915
191915
201915
211915
221915
231915
241915
251914
261914
271914
281814
291814
301814
311814

Marinha Grande 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° / 9911.39.53.8
Feb14° / 10°729.110.44.2
Mar16° / 11°709.411.75.0
Apr16° / 12°7410135.3
May18° / 14°598.114.26.4
Jun20° / 16°163.614.87.7
Jul22° / 17°61.614.58.5
Aug22° / 17°91.913.68.6
Sep21° / 16°395.312.37.6
Oct19° / 15°10310.510.96.2
Nov16° / 12°11012.39.84.9
Dec14° / 10°101119.24.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26436
36436
46337
56337
66238
76139
86040
96040
105941
115941
125842
135743
145743
155644
165545
175446
185446
195347
205347
215347
225248
235149
245149
255149
264951
274951
284852
294852
304852
314753

Chance of precipitation in October

Any precipitation

Marinha Grande gets around 103 mm of rain over 10.5 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 35% and peaks near 41% 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
526
626
727
828
930
1031
1132
1234
1335
1436
1537
1638
1738
1839
1939
2039
2140
2240
2340
2440
2540
2640
2740
2840
2940
3041
3141

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12446291
22546281
32646271
42745262
52845252
62945242
73145232
83245222
93345211
103444201
113544201
123644191
133644191
143743191
153743191
163843181
173843181
183843181
193843180
203943180
213942180
223942180
234041180
244141180
254240180
264339180
274438180
284538170
294737170
304836160
315035150

Wind in October

Winds average 16 km/h in October.

Across October, 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.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light 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
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light 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 7:10 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
211.56:386:11
311.56:396:09
411.56:406:07
511.46:416:06
611.46:426:04
711.36:436:03
811.36:446:01
911.26:455:59
1011.26:465:58
1111.16:475:56
1211.16:485:55
1311.16:505:53
1411.06:515:52
1511.06:525:50
1610.96:535:49
1710.96:545:47
1810.86:555:46
1910.86:565:44
2010.86:575:43
2110.76:585:42
2210.76:595:40
2310.67:005:39
2410.67:025:38
2510.67:035:36
2610.57:045:35
2710.57:055:34
2810.47:065:33
2910.47:075:31
3010.47:085:30
3110.37:105:29

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.51 kWh/m².

For context, solar energy here swings from a low near 1.92 kWh/m² to a high of 7.42 kWh/m² in July across the year — October's 3.51 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.0Bright
84.0Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.3Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.1Moderate
253.0Moderate
263.0Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.8Moderate
312.8Moderate
Planning a trip in October

Hazard calendar for Marinha Grande

In seasonPeak

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

Marinha Grande'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 Marinha Grande?

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

6.2
Sightseeing
6th-best month of the year
2.9
Beach & pool
5th-best month of the year

October is a reasonable time to visit Marinha Grande for sightseeing.

What to pack for Marinha Grande in October

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

In October, Marinha Grande sees daytime highs around 19°C and nights near 15°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Marinha Grande 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 21 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 Marinha Grande 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 Marinha Grande 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
Location & terrain

Where is Marinha Grande?

Marinha Grande sits at 39.7°N, 8.9°W, 91 m above sea level, in Portugal. The nearest listed city is Leiria, 11 km away.

Topography around Marinha Grande

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

Within 3 km, the terrain around Marinha Grande has only modest variations in elevation — a maximum elevation change of 81 m around an average of 96 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 307 m; within 80 km, large variations in elevation — a maximum elevation change of 1,199 m.

The land around Marinha Grande is covered by trees (43%), artificial surfaces (28%) and grassland (26%) within 3 km, trees (41%) and grassland (28%) within 16 km, and trees (44%), water (28%) and grassland (20%) within 80 km.

3 km
81 m
16 km
307 m
80 km
1,199 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Leiria 11 km · Alcobaça 22 km · Pombal 32 km · Monsanto 37 km · Caldas da Rainha 42 km · Torres Novas 45 km · Figueira da Foz 45 km · Tomar 48 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 Marinha Grande (39.7477°, -8.9323°, elevation 91 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).