Humberto de Campos weather in January

In January, Humberto de Campos sees average daytime highs of 29°C and overnight lows near 25°C, with 191 mm of rain across 23.2 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 29°C through the month. The sky is clear or mostly clear about 14% 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 Humberto de Campos's 9th-clearest and 6th-windiest month. For the whole year in context, see Humberto de Campos's year-round climate.

Daytime high
29°
8th warmest
Overnight low
25°
7th coldest
Rainfall
191 mm
23.2 wet days
Daylight
12 h 06 min
5:59 AM – 6:07 PM
Cloud cover
72%
9th clearest
Wind
16 km/h
6th windiest
Solar energy
5.37 kWh/m²
Travel score
3.8
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Humberto de Campos reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How January really feels in Humberto de Campos

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.

Humberto de Campos 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
Jan29° / 25°19123.212.13.8
Feb28° / 25°2792512.13.4
Mar28° / 25°39829.7123.1
Apr28° / 25°39228.211.93.2
May29° / 25°23724.711.93.7
Jun29° / 25°10818.711.94.5
Jul29° / 25°6512.911.95.3
Aug30° / 25°123.311.96.2
Sep30° / 26°61126.5
Oct30° / 26°91.912.16.4
Nov30° / 26°173.612.16.0
Dec30° / 26°5210.912.15.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24258
34060
43961
53862
63664
73664
83466
93268
103169
113070
122971
132872
142674
152674
162575
172575
182476
192476
202476
212476
222575
232575
242575
252575
262575
272575
282575
292575
302575
312575

Chance of precipitation in January

Any precipitation

Humberto de Campos gets around 191 mm of rain over 23.2 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 75% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
159
261
362
463
565
666
767
869
970
1072
1173
1275
1376
1477
1578
1678
1779
1879
1980
2080
2181
2281
2381
2482
2582
2682
2782
2883
2983
3083
3183

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18812
28812
38911
48911
58911
68812
78812
88812
98713
108713
118713
128614
138614
148515
158515
168416
178416
188317
198218
208119
218119
228020
238020
247921
257921
267822
277822
287723
297723
307624
317624

Wind in January

Winds average 16 km/h in January.

Across January, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

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 5:53 AM to 6:04 AM, and sunset from 6:01 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:536:01
212.15:536:02
312.15:536:02
412.15:546:03
512.15:546:03
612.15:556:04
712.15:556:04
812.15:566:04
912.15:566:05
1012.15:576:05
1112.15:576:05
1212.15:576:06
1312.15:586:06
1412.15:586:07
1512.15:596:07
1612.15:596:07
1712.15:596:07
1812.16:006:08
1912.16:006:08
2012.16:016:08
2112.16:016:09
2212.16:016:09
2312.16:026:09
2412.16:026:09
2512.16:026:10
2612.16:026:10
2712.16:036:10
2812.16:036:10
2912.16:036:10
3012.16:046:10
3112.16:046:11

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.37 kWh/m².

For context, solar energy here swings from a low near 4.73 kWh/m² to a high of 6.63 kWh/m² in October across the year — January's 5.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Humberto de Campos

In seasonPeak

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

Humberto de Campos'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 Humberto de Campos?

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

3.8
Sightseeing
8th-best month of the year
4.8
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Humberto de Campos.

What to pack for Humberto de Campos in January

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

In January, Humberto de Campos sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Humberto de Campos in January

The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) is warmest in May at about 29°C and coldest in September near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep27Warm
Oct27Warm
Nov28Warm
Dec28Warm

UV index in Humberto de Campos 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 Humberto de Campos peaks around March 17 at about 16 (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 17UV 16Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Humberto de Campos 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 Humberto de Campos is worst in February — around 17 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodFeb 1917 µg/m³Jul 126 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar16Moderate
Apr12Good
May7Good
Jun6Good
Jul6Good
Aug7Good
Sep8Good
Oct10Good
Nov10Good
Dec10Good
Location & terrain

Where is Humberto de Campos?

Humberto de Campos sits at 2.6°S, 43.5°W, 14 m above sea level, in Brazil. The nearest listed city is São José de Ribamar, 67 km away.

Topography around Humberto de Campos

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

Within 3 km, the terrain around Humberto de Campos has only modest variations in elevation — a maximum elevation change of 28 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, only modest variations in elevation — a maximum elevation change of 135 m.

The land around Humberto de Campos is covered by mangroves (37%), grassland (27%) and trees (21%) within 3 km, trees (45%), grassland (22%) and mangroves (20%) within 16 km, and water (38%) and trees (35%) within 80 km.

3 km
28 m
16 km
56 m
80 km
135 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
January weather nearby: São José de Ribamar 67 km · Urbano Santos 68 km · Icatu 70 km · Morros 71 km · Paço do Lumiar 72 km · Barreirinhas 73 km · Raposa 74 km · São Benedito do Rio Preto 82 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 Humberto de Campos (-2.5983°, -43.4611°, elevation 14 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).