Leça da Palmeira weather in December

In December, Leça da Palmeira sees average daytime highs of 14°C and overnight lows near 10°C, with 151 mm of rain across 12.8 wet days and about 9.1 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 14°C through the month. The sky is clear or mostly clear about 31% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 12 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Leça da Palmeira's 12th-clearest and 1st-windiest month. For the whole year in context, see Leça da Palmeira's year-round climate.

Daytime high
14°
10th warmest
Overnight low
10°
3rd coldest
Rainfall
151 mm
12.8 wet days
Daylight
9 hours
8:00 AM – 5:02 PM
Cloud cover
60%
12th clearest
Wind
17 km/h
1st windiest
Solar energy
1.68 kWh/m²
Travel score
3.8
out of 10

Leça da Palmeira is human settlement in Portugal.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 14°C through the month.

A typical December day in Leça da Palmeira reaches about 14°C in the afternoon and slips back to 10°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 16°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11410
21410
31410
41410
51410
61410
71410
81410
91410
101410
111410
121410
131410
141410
151410
161410
171410
181410
191410
201410
211410
221410
231410
241410
251310
26139
27139
28139
29139
30139
31139

Leça da Palmeira weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 13312.39.43.5
Feb14° / 919.310.33.9
Mar15° / 11°10610.211.74.7
Apr16° / 12°10711.213.15.1
May18° / 14°9010.414.36.1
Jun21° / 16°315.514.97.4
Jul22° / 18°183.414.78.4
Aug23° / 18°223.813.68.4
Sep22° / 17°546.312.37.4
Oct19° / 15°14812.510.95.9
Nov16° / 12°15613.39.74.6
Dec14° / 10°15112.89.13.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34654
44555
54555
64456
74456
84456
94456
104555
114555
124555
134555
144654
154555
164555
174654
184654
194654
204654
214654
224654
234654
244555
254555
264456
274456
284456
294456
304357
314357

Chance of precipitation in December

Any precipitation

Leça da Palmeira gets around 151 mm of rain over 12.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
141
241
341
440
540
640
740
840
940
1040
1140
1240
1340
1440
1540
1639
1739
1840
1940
2040
2141
2241
2342
2442
2543
2643
2743
2844
2944
3044
3145

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1928
2928
3937
4937
5937
6937
7937
8937
9937
10937
11946
12946
13946
14946
15946
16946
17946
18946
19946
20946
21946
22946
23946
24946
25937
26937
27937
28937
29937
30937
31937

Wind in December

Winds average 17 km/h in December, the windiest month of the year.

Across December, 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
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light 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 December

DaylightNight

Daylight runs from about 9 h 12 min at the start of December to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:47 AM to 8:06 AM, and sunset from 5:02 PM to 5:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:475:02
29.27:485:02
39.27:495:02
49.27:505:01
59.27:515:01
69.27:525:01
79.17:535:01
89.17:545:01
99.17:545:01
109.17:555:01
119.17:565:01
129.17:575:01
139.17:585:02
149.17:585:02
159.17:595:02
169.08:005:02
179.08:005:03
189.08:015:03
199.08:015:03
209.08:025:04
219.08:025:04
229.08:035:05
239.08:035:05
249.08:045:06
259.08:045:06
269.08:055:07
279.08:055:07
289.08:055:08
299.18:055:09
309.18:065:09
319.18:065:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.68 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 7.33 kWh/m² in July across the year — December's 1.68 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.8Dim
61.7Dim
71.7Dim
81.7Dim
91.7Dim
101.7Dim
111.7Dim
121.7Dim
131.7Dim
141.7Dim
151.7Dim
161.7Dim
171.7Dim
181.7Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.7Dim
241.7Dim
251.7Dim
261.7Dim
271.7Dim
281.7Dim
291.7Dim
301.7Dim
311.7Dim
Planning a trip in December

Hazard calendar for Leça da Palmeira

In seasonPeak

In December, Leça da Palmeira sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Leça da Palmeira'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 December a good time to visit Leça da Palmeira?

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

3.8
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Leça da Palmeira.

What to pack for Leça da Palmeira in December

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

In December, Leça da Palmeira sees daytime highs around 14°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Leça da Palmeira in December

The nearest coast averages about 14°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 17°C and coldest in February near 13°C.

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

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr14Bracing
May16Cool
Jun17Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov16Cool
Dec14Bracing

UV index in Leça da Palmeira in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Leça da Palmeira peaks around June 23 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Leça da Palmeira in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Leça da Palmeira is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1318 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Moderate
Apr11Good
May9Good
Jun9Good
Jul8Good
Aug16Moderate
Sep19Moderate
Oct13Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Leça da Palmeira?

Leça da Palmeira sits at 41.2°N, 8.7°W, 18 m above sea level, in Portugal. The nearest listed city is Matosinhos, 1.0 km away.

Topography around Leça da Palmeira

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

Within 3 km, the terrain around Leça da Palmeira has only modest variations in elevation — a maximum elevation change of 82 m around an average of 18 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 309 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,422 m.

The land around Leça da Palmeira is covered by water (43%) and artificial surfaces (38%) within 3 km, water (51%) and artificial surfaces (21%) within 16 km, and trees (41%), water (29%) and grassland (21%) within 80 km.

3 km
82 m
16 km
309 m
80 km
1,422 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Matosinhos 1.0 km · Aldoar 4.0 km · Senhora da Hora 4.0 km · São Tiago de Custoias 6.0 km · Leça do Bailio 6.0 km · Lordelo do Ouro 6.0 km · Afurada de Baixo 7.0 km · São Mamede de Infesta 7.0 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 Leça da Palmeira (41.191°, -8.7003°, elevation 18 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).