Portimão weather in January

In January, Portimão sees average daytime highs of 15°C and overnight lows near 7°C, with 50 mm of rain across 7 wet days and about 9.7 hours of daylight. It is the 12th-warmest and 5th-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 40% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Portimão's 11th-clearest and 9th-windiest month. For the whole year in context, see Portimão's year-round climate.

Daytime high
15°
12th warmest
Overnight low
1st coldest
Rainfall
50 mm
7 wet days
Daylight
9 h 42 min
7:52 AM – 5:35 PM
Cloud cover
51%
11th clearest
Wind
12 km/h
9th windiest
Solar energy
2.59 kWh/m²
Travel score
5.0
out of 10

Portimão is city seat of Portimão municipality.

Air quality
Moderate
PM10 31.5 µg/m³ · 2019

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 15°C through the month.

A typical January day in Portimão reaches about 15°C in the afternoon and slips back to 7°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 17°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C cooler than February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1158
2158
3158
4158
5158
6157
7157
8157
9157
10157
11157
12157
13157
14157
15157
16157
17157
18157
19157
20157
21157
22157
23157
24157
25157
26157
27157
28157
29157
30157
31157

Portimão weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 5079.75.0
Feb16° / 476.110.65.5
Mar18° / 567.711.76.5
Apr20° / 11°497.512.96.8
May23° / 13°356147.8
Jun27° / 16°71.614.58.1
Jul30° / 17°10.414.36.8
Aug30° / 18°30.613.46.6
Sep27° / 17°223.612.37.6
Oct23° / 14°667.8117.3
Nov18° / 10°627.7106.4
Dec16° / 758.19.55.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35347
45347
55446
65446
75446
85446
95347
105446
115446
125446
135446
145446
155446
165545
175545
185644
195644
205644
215644
225743
235743
245842
255842
265842
275941
285743
295743
305743
315743

Chance of precipitation in January

Any precipitation

Portimão gets around 50 mm of rain over 7 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
326
426
526
625
725
824
924
1024
1123
1223
1323
1423
1522
1622
1722
1822
1922
2021
2121
2221
2321
2421
2521
2621
2721
2821
2921
3021
3121

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
189101
29091
39190
49190
59190
69280
79280
89370
99370
109460
119460
129550
139550
149550
159640
169640
179640
189640
199640
209640
219640
229640
239640
249640
259640
269640
279640
289640
299640
309730
319730

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 30 min at the start of January to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:53 AM to 7:45 AM, and sunset from 5:22 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:535:22
29.57:535:23
39.57:535:23
49.57:535:24
59.57:535:25
69.57:535:26
79.67:535:27
89.67:535:27
99.67:535:28
109.67:535:29
119.67:535:30
129.67:535:31
139.77:535:32
149.77:535:33
159.77:525:34
169.77:525:35
179.77:525:36
189.87:525:37
199.87:515:38
209.87:515:39
219.87:505:40
229.87:505:41
239.97:505:42
249.97:495:43
259.97:495:44
269.97:485:45
2710.07:475:46
2810.07:475:47
2910.07:465:48
3010.17:465:49
3110.17:455:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.59 kWh/m².

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 7.89 kWh/m² in July across the year — January's 2.59 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.9Moderate
272.9Moderate
282.9Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in January

Is January a good time to visit Portimão?

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

5.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a reasonable time to visit Portimão for sightseeing.

What to pack for Portimão in January

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

In January, Portimão sees daytime highs around 15°C and nights near 7°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Portimão in January

The nearest coast averages about 16°C in January — 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 20°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°22°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May17Cool
Jun19Cool
Jul19Cool
Aug20Cool
Sep20Refreshing
Oct19Cool
Nov18Cool
Dec17Cool

UV index in Portimão in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Portimão peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 14UV 10Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar7High
Apr8Very high
May7Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Low
Location & terrain

Where is Portimão?

Portimão sits at 37.1°N, 8.5°W, 13 m above sea level, in Portugal. The nearest listed city is Lagos, 13 km away.

Topography around Portimão

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

Within 3 km, the terrain around Portimão has only modest variations in elevation — a maximum elevation change of 68 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 309 m; within 80 km, large variations in elevation — a maximum elevation change of 894 m.

The land around Portimão is covered by grassland (33%), artificial surfaces (33%) and water (20%) within 3 km, water (36%) and grassland (29%) within 16 km, and water (48%) and grassland (23%) within 80 km.

3 km
68 m
16 km
309 m
80 km
894 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Lagos 13 km · Porto de Mós 14 km · Albufeira 26 km · Quarteira 40 km · Loulé 46 km · Faro 56 km · Olhão 63 km · Quelfes 64 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 Portimão (37.1386°, -8.5378°, elevation 13 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).