Portel weather in January

In January, Portel sees average daytime highs of 31°C and overnight lows near 24°C, with 237 mm of rain across 26.4 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 3% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Portel's 9th-clearest and 6th-windiest month. For the whole year in context, see Portel's year-round climate.

Daytime high
31°
8th warmest
Overnight low
24°
7th coldest
Rainfall
237 mm
26.4 wet days
Daylight
12 h 06 min
6:30 AM – 6:36 PM
Cloud cover
82%
9th clearest
Wind
6 km/h
6th windiest
Solar energy
4.45 kWh/m²
Travel score
2.7
out of 10

Portel is settlement in Brazil.

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 31°C through the month.

A typical January day in Portel reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How January really feels in Portel

Once humidity and wind are folded in, January averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Portel weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°23726.412.12.7
Feb30° / 23°30826.112.12.6
Mar30° / 24°36929.4122.6
Apr30° / 24°38929122.5
May31° / 24°28127.311.92.7
Jun31° / 23°14120.611.93.2
Jul32° / 23°9216.311.93.6
Aug33° / 24°449.511.93.7
Sep34° / 24°265.8123.6
Oct34° / 24°296.3123.4
Nov33° / 24°538.112.13.3
Dec32° / 24°11417.312.13.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22080
32080
42080
51981
61981
71783
81783
91684
101684
111486
121486
131387
141288
151189
161189
171189
181090
191090
201090
211090
221090
231090
241090
251090
261090
271090
281090
291090
301090
311090

Chance of precipitation in January

Any precipitation

Portel gets around 237 mm of rain over 26.4 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 85% and peaks near 89% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
176
277
378
479
580
681
782
882
983
1084
1185
1285
1386
1487
1587
1687
1788
1888
1988
2088
2188
2288
2388
2488
2588
2688
2788
2888
2989
3089
3189

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15941
25941
35941
45842
55842
65842
75842
85842
95842
105842
115842
125842
135842
145842
155842
165842
175842
185842
195743
205743
215644
225644
235644
245644
255545
265545
275545
285545
295446
305446
315446

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 06 min at the start of January to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over January. Sunrise moves from 6:23 AM to 6:34 AM, and sunset from 6:30 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:236:30
212.16:246:30
312.16:246:31
412.16:256:31
512.16:256:31
612.16:256:32
712.16:266:32
812.16:266:33
912.16:276:33
1012.16:276:33
1112.16:286:34
1212.16:286:34
1312.16:286:35
1412.16:296:35
1512.16:296:35
1612.16:306:36
1712.16:306:36
1812.16:306:36
1912.16:316:37
2012.16:316:37
2112.16:316:37
2212.16:326:37
2312.16:326:38
2412.16:326:38
2512.16:336:38
2612.16:336:38
2712.16:336:38
2812.16:336:39
2912.16:346:39
3012.16:346:39
3112.16:346:39

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.45 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.36 kWh/m² in October across the year — January's 4.45 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in January

Hazard calendar for Portel

In seasonPeak

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

Portel's monsoon runs January–May, when most of the year's rain falls.

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

Is January a good time to visit Portel?

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

2.7
Sightseeing
8th-best month of the year
4.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Portel.

What to pack for Portel in January

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

In January, Portel sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

UV index in Portel in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Portel peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Portel 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 Portel is worst in November — around 22 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1221 µg/m³Jun 209 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar17Moderate
Apr14Moderate
May11Good
Jun9Good
Jul10Good
Aug11Good
Sep14Moderate
Oct19Moderate
Nov22Moderate
Dec15Moderate
Location & terrain

Where is Portel?

Portel sits at 1.9°S, 50.8°W, 12 m above sea level, in Brazil. The nearest listed city is Melgaço, 19 km away.

Topography around Portel

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

Within 3 km, the terrain around Portel has only modest variations in elevation — a maximum elevation change of 25 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 75 m.

The land around Portel is covered by water (76%) within 3 km, trees (65%) and water (25%) within 16 km, and trees (90%) within 80 km.

3 km
25 m
16 km
37 m
80 km
75 m
treesgrasslandartificial surfaceswaterwetland
January weather nearby: Melgaço 19 km · Breves 47 km · Bagre 68 km · Oeiras do Pará 108 km · Gurupá 108 km · Curralinho 115 km · Anajás 144 km · São Sebastião da Boa Vista 145 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Portel (-1.9356°, -50.8211°, elevation 12 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. 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).