Portalegre weather in December

In December, Portalegre sees average daytime highs of 13°C and overnight lows near 6°C, with 78 mm of rain across 8.8 wet days and about 9.3 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of December to 9 h 18 min by month's end. Set against the rest of the year, December is Portalegre's 12th-clearest and 3rd-windiest month. For the whole year in context, see Portalegre's year-round climate.

Daytime high: 13°; 11th warmest
Overnight low: 6°; 3rd coldest
Rainfall: 78 mm; 8.8 wet days
Daylight: 9 h 12 min; 7:48 AM – 5:03 PM
Cloud cover: 57%; 12th clearest
Wind: 11 km/h; 3rd windiest
Solar energy: 1.91 kWh/m²
Travel score: 3.8; out of 10

Portalegre is human settlement in Portugal.

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

← November Portalegre year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical December day in Portalegre reaches about 13°C in the afternoon and slips back to 6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	14	14	14	14	14	14	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Avg low (°C)	7	7	7	7	7	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6

	Avg high (°C)	Avg low (°C)
1	14	7
2	14	7
3	14	7
4	14	7
5	14	7
6	14	6
7	13	6
8	13	6
9	13	6
10	13	6
11	13	6
12	13	6
13	13	6
14	13	6
15	13	6
16	13	6
17	13	6
18	13	6
19	13	6
20	13	6
21	13	6
22	13	6
23	13	6
24	13	6
25	13	6
26	13	6
27	13	6
28	13	6
29	13	6
30	13	6
31	13	6

How December really feels in Portalegre

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Portalegre 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	13° / 5°	66	9	9.5	3.6
Feb	14° / 6°	54	7.3	10.5	4.5
Mar	17° / 8°	61	8	11.7	6.0
Apr	19° / 9°	59	8.7	13	6.4
May	23° / 12°	51	7.6	14.1	7.3
Jun	28° / 15°	14	2.7	14.7	7.2
Jul	32° / 17°	4	1.2	14.5	5.4
Aug	32° / 17°	7	1.8	13.5	5.3
Sep	28° / 16°	33	5.2	12.3	7.1
Oct	22° / 13°	83	8.8	11	6.9
Nov	16° / 8°	79	8.9	9.8	5.3
Dec	13° / 6°	78	8.8	9.3	3.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 54%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	47	47	47	47	46	47	46	46	46	46	46	45	45	45	45	46	46	45	46	46	46	46	46	46	46	46	46	46	46	46	46
Cloudier (%)	53	53	53	53	54	53	54	54	54	54	54	55	55	55	55	54	54	55	54	54	54	54	54	54	54	54	54	54	54	54	54

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	47	53
5	46	54
6	47	53
7	46	54
8	46	54
9	46	54
10	46	54
11	46	54
12	45	55
13	45	55
14	45	55
15	45	55
16	46	54
17	46	54
18	45	55
19	46	54
20	46	54
21	46	54
22	46	54
23	46	54
24	46	54
25	46	54
26	46	54
27	46	54
28	46	54
29	46	54
30	46	54
31	46	54

Chance of precipitation in December

Any precipitation

Portalegre gets around 78 mm of rain over 8.8 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 29% and peaks near 32% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	28	28	27	27	27	26	26	26	27	27	27	27	27	28	28	28	28	28	29	29	29	30	30	30	30	31	31	31	31	32	32

	Rain chance (%)
1	28
2	28
3	27
4	27
5	27
6	26
7	26
8	26
9	27
10	27
11	27
12	27
13	27
14	28
15	28
16	28
17	28
18	28
19	29
20	29
21	29
22	30
23	30
24	30
25	30
26	31
27	31
28	31
29	31
30	32
31	32

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	98	98	98	98	98	98	98	98	98	98	97	97	97	97	97	97	97	97	97	97	96	96	96	96	96	97	97	97	97	97	97
Comfortable (%)	2	2	2	2	2	2	2	2	2	2	3	3	3	3	3	3	3	3	3	3	4	4	4	4	4	3	3	3	3	3	3

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	97	3
12	97	3
13	97	3
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	97	3
20	97	3
21	96	4
22	96	4
23	96	4
24	96	4
25	96	4
26	97	3
27	97	3
28	97	3
29	97	3
30	97	3
31	97	3

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm
31	11	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 24 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 6 minutes over December. Sunrise moves from 7:36 AM to 7:55 AM, and sunset from 5:03 PM to 5:11 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	9.4	9.4	9.4	9.4	9.4	9.4	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.3	9.3	9.3
Sunrise (AM)	7:36	7:37	7:38	7:39	7:40	7:41	7:42	7:43	7:43	7:44	7:45	7:46	7:46	7:47	7:48	7:48	7:49	7:50	7:50	7:51	7:51	7:52	7:52	7:53	7:53	7:53	7:54	7:54	7:54	7:55	7:55
Sunset (PM)	5:03	5:02	5:02	5:02	5:02	5:02	5:02	5:02	5:02	5:02	5:02	5:02	5:03	5:03	5:03	5:03	5:04	5:04	5:04	5:05	5:05	5:06	5:06	5:07	5:07	5:08	5:08	5:09	5:10	5:10	5:11

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.4	7:36	5:03
2	9.4	7:37	5:02
3	9.4	7:38	5:02
4	9.4	7:39	5:02
5	9.4	7:40	5:02
6	9.4	7:41	5:02
7	9.3	7:42	5:02
8	9.3	7:43	5:02
9	9.3	7:43	5:02
10	9.3	7:44	5:02
11	9.3	7:45	5:02
12	9.3	7:46	5:02
13	9.3	7:46	5:03
14	9.3	7:47	5:03
15	9.3	7:48	5:03
16	9.2	7:48	5:03
17	9.2	7:49	5:04
18	9.2	7:50	5:04
19	9.2	7:50	5:04
20	9.2	7:51	5:05
21	9.2	7:51	5:05
22	9.2	7:52	5:06
23	9.2	7:52	5:06
24	9.2	7:53	5:07
25	9.2	7:53	5:07
26	9.2	7:53	5:08
27	9.2	7:54	5:08
28	9.2	7:54	5:09
29	9.3	7:54	5:10
30	9.3	7:55	5:10
31	9.3	7:55	5:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.91 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.91 kWh/m² to a high of 7.79 kWh/m² in July across the year — December's 1.91 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	2.1	2.1	2.0	2.0	2.0	2.0	2.0	2.0	2.0	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim

	Solar energy (kWh/m²)	Level
1	2.1	Moderate
2	2.1	Moderate
3	2.0	Moderate
4	2.0	Moderate
5	2.0	Moderate
6	2.0	Moderate
7	2.0	Dim
8	2.0	Dim
9	2.0	Dim
10	1.9	Dim
11	1.9	Dim
12	1.9	Dim
13	1.9	Dim
14	1.9	Dim
15	1.9	Dim
16	1.9	Dim
17	1.9	Dim
18	1.9	Dim
19	1.9	Dim
20	1.9	Dim
21	1.9	Dim
22	1.9	Dim
23	1.9	Dim
24	1.9	Dim
25	1.9	Dim
26	1.9	Dim
27	1.9	Dim
28	1.9	Dim
29	1.9	Dim
30	1.9	Dim
31	1.9	Dim

Planning a trip in December

Is December a good time to visit Portalegre?

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

11th-best month of the year

December is a weaker month for outdoor sightseeing in Portalegre.

What to pack for Portalegre in December

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

In December, Portalegre sees daytime highs around 13°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Portalegre 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 Portalegre peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	6	8	7	9	9	9	6	5	2	2
Level	Low	Moderate	High	Very high	High	Very high	Very high	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Low
Feb	3	Moderate
Mar	6	High
Apr	8	Very high
May	7	High
Jun	9	Very high
Jul	9	Very high
Aug	9	Very high
Sep	6	High
Oct	5	Moderate
Nov	2	Moderate
Dec	2	Low

Location & terrain

Where is Portalegre?

Portalegre sits at 39.3°N, 7.4°W, 460 m above sea level, in Portugal. The nearest listed city is Castelo Branco, 59 km away.

Topography around Portalegre

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

Within 3 km, the terrain around Portalegre has significant variations in elevation — a maximum elevation change of 416 m around an average of 491 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 822 m; within 80 km, large variations in elevation — a maximum elevation change of 1,062 m.

The land around Portalegre is covered by trees (47%) and grassland (40%) within 3 km, grassland (57%) and trees (36%) within 16 km, and grassland (59%) and trees (29%) within 80 km.

3 km

416 m

trees 47%

16 km

822 m

grassland 57%

80 km

1,062 m

grassland 59%

treesshrubsgrasslandcroplandartificial surfaceswater

← November Portalegre year-round climate January →Best places to visit in December

December weather nearby: Castelo Branco 59 km · Badajoz 61 km · Montijo 82 km · Évora 91 km · Tomar 91 km · Entroncamento 91 km · Cáceres 93 km · Torres Novas 98 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

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 Portalegre (39.2938°, -7.4312°, elevation 460 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. 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).

	Avg high (°C)	Avg low (°C)
1	14	7
2	14	7
3	14	7
4	14	7
5	14	7
6	14	6
7	13	6
8	13	6
9	13	6
10	13	6
11	13	6
12	13	6
13	13	6
14	13	6
15	13	6
16	13	6
17	13	6
18	13	6
19	13	6
20	13	6
21	13	6
22	13	6
23	13	6
24	13	6
25	13	6
26	13	6
27	13	6
28	13	6
29	13	6
30	13	6
31	13	6

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	47	53
5	46	54
6	47	53
7	46	54
8	46	54
9	46	54
10	46	54
11	46	54
12	45	55
13	45	55
14	45	55
15	45	55
16	46	54
17	46	54
18	45	55
19	46	54
20	46	54
21	46	54
22	46	54
23	46	54
24	46	54
25	46	54
26	46	54
27	46	54
28	46	54
29	46	54
30	46	54
31	46	54

	Rain chance (%)
1	28
2	28
3	27
4	27
5	27
6	26
7	26
8	26
9	27
10	27
11	27
12	27
13	27
14	28
15	28
16	28
17	28
18	28
19	29
20	29
21	29
22	30
23	30
24	30
25	30
26	31
27	31
28	31
29	31
30	32
31	32

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	97	3
12	97	3
13	97	3
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	97	3
20	97	3
21	96	4
22	96	4
23	96	4
24	96	4
25	96	4
26	97	3
27	97	3
28	97	3
29	97	3
30	97	3
31	97	3

	Avg high (°C)	Avg low (°C)
1	14	7
2	14	7
3	14	7
4	14	7
5	14	7
6	14	6
7	13	6
8	13	6
9	13	6
10	13	6
11	13	6
12	13	6
13	13	6
14	13	6
15	13	6
16	13	6
17	13	6
18	13	6
19	13	6
20	13	6
21	13	6
22	13	6
23	13	6
24	13	6
25	13	6
26	13	6
27	13	6
28	13	6
29	13	6
30	13	6
31	13	6

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	47	53
5	46	54
6	47	53
7	46	54
8	46	54
9	46	54
10	46	54
11	46	54
12	45	55
13	45	55
14	45	55
15	45	55
16	46	54
17	46	54
18	45	55
19	46	54
20	46	54
21	46	54
22	46	54
23	46	54
24	46	54
25	46	54
26	46	54
27	46	54
28	46	54
29	46	54
30	46	54
31	46	54

	Rain chance (%)
1	28
2	28
3	27
4	27
5	27
6	26
7	26
8	26
9	27
10	27
11	27
12	27
13	27
14	28
15	28
16	28
17	28
18	28
19	29
20	29
21	29
22	30
23	30
24	30
25	30
26	31
27	31
28	31
29	31
30	32
31	32

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	97	3
12	97	3
13	97	3
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	97	3
20	97	3
21	96	4
22	96	4
23	96	4
24	96	4
25	96	4
26	97	3
27	97	3
28	97	3
29	97	3
30	97	3
31	97	3

	Avg high (°C)	Avg low (°C)
1	14	7
2	14	7
3	14	7
4	14	7
5	14	7
6	14	6
7	13	6
8	13	6
9	13	6
10	13	6
11	13	6
12	13	6
13	13	6
14	13	6
15	13	6
16	13	6
17	13	6
18	13	6
19	13	6
20	13	6
21	13	6
22	13	6
23	13	6
24	13	6
25	13	6
26	13	6
27	13	6
28	13	6
29	13	6
30	13	6
31	13	6

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	47	53
5	46	54
6	47	53
7	46	54
8	46	54
9	46	54
10	46	54
11	46	54
12	45	55
13	45	55
14	45	55
15	45	55
16	46	54
17	46	54
18	45	55
19	46	54
20	46	54
21	46	54
22	46	54
23	46	54
24	46	54
25	46	54
26	46	54
27	46	54
28	46	54
29	46	54
30	46	54
31	46	54

	Rain chance (%)
1	28
2	28
3	27
4	27
5	27
6	26
7	26
8	26
9	27
10	27
11	27
12	27
13	27
14	28
15	28
16	28
17	28
18	28
19	29
20	29
21	29
22	30
23	30
24	30
25	30
26	31
27	31
28	31
29	31
30	32
31	32

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	97	3
12	97	3
13	97	3
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	97	3
20	97	3
21	96	4
22	96	4
23	96	4
24	96	4
25	96	4
26	97	3
27	97	3
28	97	3
29	97	3
30	97	3
31	97	3