Monção weather in December

In December, Monção sees average daytime highs of 12°C and overnight lows near 5°C, with 206 mm of rain across 13.3 wet days and about 9 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 28% 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 hours by month's end. Set against the rest of the year, December is Monção's 12th-clearest and 5th-windiest month. For the whole year in context, see Monção's year-round climate.

Daytime high
12°
11th warmest
Overnight low
3rd coldest
Rainfall
206 mm
13.3 wet days
Daylight
8 h 54 min
8:02 AM – 4:58 PM
Cloud cover
64%
12th clearest
Wind
9 km/h
5th windiest
Solar energy
1.51 kWh/m²
Travel score
3.0
out of 10

Monção 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 12°C through the month.

A typical December day in Monção reaches about 12°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 15°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1136
2136
3126
4126
5126
6126
7126
8125
9125
10125
11125
12125
13125
14125
15125
16125
17125
18125
19125
20125
21125
22125
23125
24125
25125
26125
27125
28125
29125
30125
31125

Monção weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 20013.39.32.7
Feb13° / 13410.510.33.4
Mar15° / 15611.511.74.4
Apr16° / 15514.613.14.6
May19° / 10°13613.514.45.6
Jun22° / 13°628.4157.0
Jul24° / 15°365.614.88.1
Aug25° / 15°485.913.78.1
Sep22° / 13°898.512.37.1
Oct18° / 11°21113.410.85.5
Nov14° / 21214.19.63.8
Dec12° / 20613.393.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33565
43565
53664
63565
73565
83664
93664
103664
113763
123862
133862
143862
153862
163961
173862
183961
193961
203961
213862
223862
233862
243862
253664
263664
273664
283763
293664
303664
313664

Chance of precipitation in December

Any precipitation

Monção gets around 206 mm of rain over 13.3 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 43% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
143
243
343
442
542
642
741
841
941
1041
1141
1241
1341
1441
1541
1641
1741
1841
1941
2042
2142
2243
2344
2445
2545
2646
2747
2847
2948
3048
3148

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7982
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

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

Days shrink by about 12 minutes over December. Sunrise moves from 7:49 AM to 8:08 AM, and sunset from 4:58 PM to 5:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:494:58
29.17:504:58
39.17:514:58
49.17:524:58
59.17:534:58
69.17:544:58
79.07:554:57
89.07:564:57
99.07:564:57
109.07:574:57
119.07:584:58
129.07:594:58
139.08:004:58
149.08:004:58
159.08:014:58
168.98:024:58
178.98:024:59
188.98:034:59
198.98:044:59
208.98:045:00
218.98:055:00
228.98:055:01
238.98:065:01
248.98:065:02
258.98:065:02
268.98:075:03
278.98:075:03
288.98:075:04
299.08:085:05
309.08:085:05
319.08:085:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.51 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 7.11 kWh/m² in July across the year — December's 1.51 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.6Dim
51.6Dim
61.6Dim
71.6Dim
81.6Dim
91.6Dim
101.5Dim
111.5Dim
121.5Dim
131.5Dim
141.5Dim
151.5Dim
161.5Dim
171.5Dim
181.5Dim
191.5Dim
201.5Dim
211.5Dim
221.5Dim
231.5Dim
241.5Dim
251.5Dim
261.5Dim
271.5Dim
281.5Dim
291.5Dim
301.5Dim
311.5Dim
Planning a trip in December

Hazard calendar for Monção

In seasonPeak

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

Monção'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 Monção?

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

3.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Monção.

What to pack for Monção in December

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

In December, Monção sees daytime highs around 12°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Monção 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 at the nearest coast (about 33 km away) is warmest in August 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
Mar13Bracing
Apr14Bracing
May15Cool
Jun17Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct16Cool
Nov15Cool
Dec14Bracing

UV index in Monção 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 Monção peaks around July 12 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 highHighModerateLowJul 12UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Monção 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 Monção is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodSep 1819 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar15Moderate
Apr12Good
May8Good
Jun8Good
Jul9Good
Aug14Moderate
Sep19Moderate
Oct17Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Monção?

Monção sits at 42.1°N, 8.5°W, 34 m above sea level, in Portugal. The nearest listed city is Ponteareas, 11 km away.

Topography around Monção

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

Within 3 km, the terrain around Monção has only modest variations in elevation — a maximum elevation change of 164 m around an average of 61 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 948 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,517 m.

The land around Monção is covered by trees (47%) and grassland (35%) within 3 km, trees (60%) and grassland (34%) within 16 km, and trees (46%), grassland (28%) and water (21%) within 80 km.

3 km
164 m
16 km
948 m
80 km
1,517 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Ponteareas 11 km · Tui 14 km · Porriño 15 km · Redondela 25 km · Vigo 26 km · Arcos de Valdevez 26 km · Nigrán 28 km · Moaña 31 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 Monção (42.0789°, -8.4808°, elevation 34 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).