Baião weather in December

In December, Baião sees average daytime highs of 11°C and overnight lows near 4°C, with 163 mm of precipitation across 12.1 wet days and about 9.1 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 30% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Baião's 12th-clearest and 4th-windiest month. For the whole year in context, see Baião's year-round climate.

Daytime high
11°
11th warmest
Overnight low
3rd coldest
Precipitation
163 mm
12.1 wet days
Daylight
9 hours
7:57 AM – 5:00 PM
Cloud cover
64%
12th clearest
Wind
8 km/h
4th windiest
Solar energy
1.58 kWh/m²
Travel score
2.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 11°C through the month.

A typical December day in Baião reaches about 11°C in the afternoon and slips back to 4°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 14°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1125
2125
3125
4115
5115
6115
7114
8114
9114
10114
11114
12114
13114
14114
15114
16114
17114
18114
19114
20114
21114
22114
23114
24114
25114
26114
27114
28114
29114
30114
31114

Baião weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 15211.99.42.4
Feb12° / 1029.110.43.3
Mar15° / 11710.811.74.5
Apr16° / 11812.513.14.9
May19° / 10°9811.814.36.0
Jun23° / 13°427.114.97.5
Jul26° / 14°244.214.78.2
Aug26° / 15°304.713.68.0
Sep23° / 13°64712.37.5
Oct19° / 10°15912.410.95.6
Nov14° / 15012.69.73.7
Dec11° / 16312.19.12.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23862
33862
43862
53862
63862
73862
83862
93862
103862
113862
123862
133961
143961
153961
163961
174060
184060
194060
204060
214060
224060
234060
243961
253862
263862
273862
283862
293763
303763
313763

Chance of precipitation in December

Any precipitation

Baião gets around 163 mm of rain and snow over 12.1 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 precipitation averages around 39% and peaks near 43% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
536
636
736
837
937
1037
1137
1238
1338
1438
1538
1639
1739
1839
1939
2040
2140
2240
2341
2441
2542
2642
2742
2843
2943
3043
3143

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 18 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 12 minutes over December. Sunrise moves from 7:44 AM to 8:03 AM, and sunset from 4:59 PM to 5:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.37:444:59
29.27:454:59
39.27:464:59
49.27:474:59
59.27:484:59
69.27:494:59
79.17:504:59
89.17:514:59
99.17:524:59
109.17:524:59
119.17:534:59
129.17:544:59
139.17:554:59
149.17:554:59
159.17:564:59
169.07:575:00
179.07:575:00
189.07:585:00
199.07:595:01
209.07:595:01
219.08:005:02
229.08:005:02
239.08:015:02
249.08:015:03
259.08:015:04
269.08:025:04
279.08:025:05
289.08:025:05
299.18:035:06
309.18:035:07
319.18:035:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.58 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 7.21 kWh/m² in July across the year — December's 1.58 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.7Dim
21.7Dim
31.7Dim
41.7Dim
51.7Dim
61.6Dim
71.6Dim
81.6Dim
91.6Dim
101.6Dim
111.6Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.6Dim
231.6Dim
241.6Dim
251.6Dim
261.6Dim
271.6Dim
281.6Dim
291.6Dim
301.6Dim
311.6Dim
Planning a trip in December

Hazard calendar for Baião

In seasonPeak

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

Baião'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 Baião?

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

2.6
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 Baião.

What to pack for Baião in December

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

In December, Baião sees daytime highs around 11°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Baião 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 50 km away) 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 Baião 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 Baião peaks around July 13 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 13UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Baião 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 Baião is worst in August — around 25 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 2425 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr12Moderate
May8Good
Jun9Good
Jul9Good
Aug25Moderate
Sep24Moderate
Oct18Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Baião?

Baião sits at 41.2°N, 8.0°W, 577 m above sea level, in Portugal. The nearest listed city is Paredes, 25 km away.

Topography around Baião

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

Within 3 km, the terrain around Baião has significant variations in elevation — a maximum elevation change of 556 m around an average of 645 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,395 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,521 m.

The land around Baião is covered by trees (48%) and grassland (47%) within 3 km, grassland (50%) and trees (44%) within 16 km, and trees (41%) and grassland (39%) within 80 km.

3 km
556 m
16 km
1,395 m
80 km
1,521 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Paredes 25 km · Felgueiras 26 km · Vila Real 29 km · Arouca 31 km · Fafe 34 km · Guimarães 38 km · Valongo 39 km · São Pedro da Cova 39 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 Baião (41.1627°, -8.0347°, elevation 577 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).