Ermesinde weather in January

In January, Ermesinde sees average daytime highs of 13°C and overnight lows near 7°C, with 150 mm of rain across 12.2 wet days and about 9.4 hours of daylight. It is the 12th-warmest and 4th-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 33% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of January to 9 h 48 min by month's end. Set against the rest of the year, January is Ermesinde's 10th-clearest and 2nd-windiest month. For the whole year in context, see Ermesinde's year-round climate.

Daytime high
13°
12th warmest
Overnight low
1st coldest
Rainfall
150 mm
12.2 wet days
Daylight
9 h 18 min
8:03 AM – 5:24 PM
Cloud cover
58%
10th clearest
Wind
12 km/h
2nd windiest
Solar energy
1.91 kWh/m²
Travel score
3.3
out of 10
Air quality
Good
PM10 29 µg/m³ · 2010

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 13°C through the month.

A typical January day in Ermesinde reaches about 13°C in the afternoon and slips back to 7°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 15°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1137
2137
3137
4137
5137
6137
7137
8137
9137
10137
11137
12137
13137
14137
15137
16137
17137
18137
19137
20137
21137
22137
23137
24137
25137
26137
27137
28137
29137
30137
31137

Ermesinde weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 15012.29.43.3
Feb14° / 1039.510.34.0
Mar16° / 12110.211.75.1
Apr17° / 10°12111.813.15.5
May20° / 13°10111.214.36.3
Jun23° / 15°406.314.97.6
Jul25° / 17°23414.78.4
Aug26° / 17°304.513.68.2
Sep23° / 16°646.612.37.7
Oct20° / 13°16612.710.96.0
Nov16° / 10°16312.99.74.5
Dec13° / 16712.49.13.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54159
64159
74159
84258
94258
104357
114456
124555
134555
144555
154654
164654
174654
184753
194852
204852
214951
224852
234951
244951
254951
264951
275050
284951
294951
304951
314951

Chance of precipitation in January

Any precipitation

Ermesinde gets around 150 mm of rain over 12.2 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 40% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
445
545
644
744
844
943
1043
1143
1242
1342
1442
1541
1640
1740
1839
1938
2038
2137
2236
2336
2435
2534
2634
2734
2833
2933
3033
3134

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2964
3964
4964
5964
6964
7973
8973
9973
10973
11982
12982
13982
14982
15982
16982
17982
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

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 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 06 min at the start of January to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 8:05 AM to 7:54 AM, and sunset from 5:10 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.18:055:10
29.18:055:10
39.18:055:11
49.18:055:12
59.18:055:13
69.18:055:14
79.28:055:15
89.28:055:16
99.28:055:17
109.28:055:17
119.28:055:18
129.28:055:19
139.38:045:20
149.38:045:21
159.38:045:23
169.38:035:24
179.48:035:25
189.48:035:26
199.48:025:27
209.48:025:28
219.58:015:29
229.58:015:30
239.58:005:31
249.67:595:33
259.67:595:34
269.67:585:35
279.67:575:36
289.77:575:37
299.77:565:39
309.77:555:40
319.87:545:41

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.91 kWh/m².

For context, solar energy here swings from a low near 1.65 kWh/m² to a high of 7.29 kWh/m² in July across the year — January's 1.91 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.7Dim
51.7Dim
61.7Dim
71.7Dim
81.7Dim
91.7Dim
101.7Dim
111.8Dim
121.8Dim
131.8Dim
141.8Dim
151.9Dim
161.9Dim
171.9Dim
181.9Dim
192.0Dim
202.0Moderate
212.0Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.4Moderate
Planning a trip in January

Hazard calendar for Ermesinde

In seasonPeak

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

Ermesinde'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 January a good time to visit Ermesinde?

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

3.3
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Ermesinde.

What to pack for Ermesinde in January

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

In January, Ermesinde sees daytime highs around 13°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Ermesinde in January

The nearest coast averages about 14°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 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 Ermesinde 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 Ermesinde peaks around June 23 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 23UV 9Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep5High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Ermesinde in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Ermesinde 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 Ermesinde?

Ermesinde sits at 41.2°N, 8.6°W, 100 m above sea level, in Portugal. The nearest listed city is Águas Santas, 2.0 km away.

Topography around Ermesinde

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

Within 3 km, the terrain around Ermesinde has only modest variations in elevation — a maximum elevation change of 225 m around an average of 119 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 527 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,521 m.

The land around Ermesinde is covered by artificial surfaces (43%) and trees (37%) within 3 km, trees (42%) and artificial surfaces (28%) within 16 km, and trees (41%), grassland (26%) and water (24%) within 80 km.

3 km
225 m
16 km
527 m
80 km
1,521 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Águas Santas 2.0 km · Baguim do Monte 3.0 km · Alfena 3.0 km · Rio Tinto 4.0 km · Vermoim 5.0 km · Valongo 6.0 km · São Mamede de Infesta 6.0 km · Fânzeres 6.0 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 Ermesinde (41.2165°, -8.5532°, elevation 100 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).