Charneca de Caparica weather in December

In December, Charneca de Caparica sees average daytime highs of 15°C and overnight lows near 13°C, with 82 mm of rain across 9.6 wet days and about 9.4 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 15°C through the month. The sky is clear or mostly clear about 36% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of December to 9 h 18 min by month's end. Set against the rest of the year, December is Charneca de Caparica's 12th-clearest and 2nd-windiest month. For the whole year in context, see Charneca de Caparica's year-round climate.

Daytime high
15°
9th warmest
Overnight low
13°
4th coldest
Rainfall
82 mm
9.6 wet days
Daylight
9 h 18 min
7:53 AM – 5:12 PM
Cloud cover
55%
12th clearest
Wind
22 km/h
2nd windiest
Solar energy
2.07 kWh/m²
Travel score
4.8
out of 10

Charneca de Caparica 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 15°C through the month.

A typical December day in Charneca de Caparica reaches about 15°C in the afternoon and slips back to 13°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 17°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)
11613
21613
31613
41613
51613
61613
71513
81513
91513
101513
111513
121513
131513
141513
151513
161513
171513
181513
191513
201513
211513
221513
231513
241513
251513
261513
271513
281513
291513
301513
311512

Charneca de Caparica weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 12°709.19.64.5
Feb14° / 12°537.310.54.6
Mar15° / 13°517.411.75.1
Apr16° / 14°467.5135.5
May18° / 15°354.714.16.8
Jun19° / 17°71.414.68.0
Jul21° / 18°10.314.48.7
Aug21° / 19°30.613.58.7
Sep21° / 19°263.612.37.9
Oct19° / 17°738.6116.6
Nov17° / 15°829.59.95.6
Dec15° / 13°829.69.44.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
35149
45149
55050
65050
74951
84951
94951
104852
114852
124852
134852
144852
154951
164951
174852
184852
195050
205050
215149
225149
235149
245248
255248
265248
275248
285248
295248
305248
315248

Chance of precipitation in December

Any precipitation

Charneca de Caparica gets around 82 mm of rain over 9.6 wet days in December, the wettest month. 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 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
233
332
432
532
631
731
831
931
1030
1130
1230
1330
1430
1530
1630
1731
1831
1931
2031
2131
2231
2331
2431
2532
2632
2732
2832
2932
3032
3132

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
177221
278211
378211
479210
579210
680200
780200
880200
980200
1080200
1181190
1281190
1381190
1482180
1582180
1682180
1783170
1882171
1983161
2083161
2183161
2283161
2383161
2483161
2583161
2683161
2783161
2883161
2983161
3083161
3183161

Wind in December

Winds average 22 km/h in December.

Across December, daily wind ranges from about 21 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 30 min at the start of December to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:42 AM to 8:00 AM, and sunset from 5:12 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:425:12
29.57:425:11
39.57:435:11
49.47:445:11
59.47:455:11
69.47:465:11
79.47:475:11
89.47:485:11
99.47:485:11
109.47:495:11
119.47:505:11
129.37:515:11
139.37:515:12
149.37:525:12
159.37:535:12
169.37:535:12
179.37:545:13
189.37:555:13
199.37:555:13
209.37:565:14
219.37:565:14
229.37:575:15
239.37:575:15
249.37:585:16
259.37:585:16
269.37:585:17
279.37:595:17
289.37:595:18
299.37:595:19
309.38:005:19
319.38:005:20

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.07 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 7.64 kWh/m² in July across the year — December's 2.07 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.2Moderate
32.2Moderate
42.2Moderate
52.1Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.0Moderate
172.0Moderate
182.0Moderate
192.0Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in December

Is December a good time to visit Charneca de Caparica?

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

4.8
Sightseeing
10th-best month of the year
0.2
Beach & pool
10th-best month of the year

December is a reasonable time to visit Charneca de Caparica for sightseeing.

What to pack for Charneca de Caparica in December

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

In December, Charneca de Caparica sees daytime highs around 15°C and nights near 13°C. Worth packing: a warm layer, rain gear and a windbreaker. About 10 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Charneca de Caparica in December

The nearest coast averages about 16°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in September at about 19°C and coldest in February near 15°C.

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

14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Bracing
Apr15Cool
May16Cool
Jun18Cool
Jul18Cool
Aug19Cool
Sep19Cool
Oct18Cool
Nov17Cool
Dec16Cool

UV index in Charneca de Caparica 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 Charneca de Caparica peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highHighModerateJul 15UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5High
Nov3Moderate
Dec2Low
Location & terrain

Where is Charneca de Caparica?

Charneca de Caparica sits at 38.6°N, 9.2°W, 78 m above sea level, in Portugal. The nearest listed city is Corroios, 4.0 km away.

Topography around Charneca de Caparica

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Charneca de Caparica.

Within 3 km, the terrain around Charneca de Caparica has only modest variations in elevation — a maximum elevation change of 109 m around an average of 47 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 218 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around Charneca de Caparica is covered by artificial surfaces (39%) and trees (29%) within 3 km, water (47%) and artificial surfaces (20%) within 16 km, and water (42%) and grassland (29%) within 80 km.

3 km
109 m
16 km
218 m
80 km
656 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Corroios 4.0 km · Caparica 5.0 km · Laranjeiro 5.0 km · Piedade 6.0 km · Amora 7.0 km · Almada 7.0 km · Arrentela 8.0 km · Belém 9.0 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 Charneca de Caparica (38.6203°, -9.1943°, elevation 78 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).