Janaúba weather in January

In January, Janaúba sees average daytime highs of 31°C and overnight lows near 21°C, with 112 mm of rain across 10.4 wet days and about 12.8 hours of daylight. It is the 5th-warmest and 3rd-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 28% of the time in January, and the air most often feels muggy.

Daylight stretches from about 12 h 54 min at the start of January to 12 h 42 min by month's end. Set against the rest of the year, January is Janaúba's 10th-clearest and 11th-windiest month. For the whole year in context, see Janaúba's year-round climate.

Daytime high
31°
5th warmest
Overnight low
21°
10th coldest
Rainfall
112 mm
10.4 wet days
Daylight
12 h 48 min
6:37 AM – 7:28 PM
Cloud cover
65%
10th clearest
Wind
7 km/h
11th windiest
Solar energy
6.29 kWh/m²
Travel score
4.2
out of 10

Janaúba is human 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 Janaúba reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183121
193121
203121
213121
223121
233121
243121
253122
263122
273222
283222
293222
303222
313222

How January really feels in Janaúba

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.

Janaúba weather by month

How January compares with the rest of the year at a glance. January is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°11210.412.84.2
Feb32° / 22°728.612.54.1
Mar31° / 22°9810.312.14.2
Apr31° / 21°335.111.75.0
May30° / 19°71.811.35.9
Jun29° / 18°10.211.16.8
Jul29° / 17°0011.27.0
Aug31° / 17°10.211.56.2
Sep33° / 19°81.511.94.7
Oct33° / 21°536.212.43.8
Nov31° / 21°14013.112.73.9
Dec31° / 21°15613.412.94.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
43961
53961
64060
74060
84060
94060
104159
114258
124258
134258
144258
154159
164159
174159
184159
194159
204060
214159
224159
234159
244159
254159
264258
274258
284258
294258
304258
314357

Chance of precipitation in January

Any precipitation

Janaúba gets around 112 mm of rain over 10.4 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 34% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
436
536
636
735
835
935
1035
1134
1234
1334
1434
1535
1635
1735
1835
1935
2035
2135
2234
2334
2433
2532
2632
2731
2831
2931
3030
3130

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
15324914
25324915
35314915
45314915
55314916
65314816
75314816
85314817
95314717
105314717
115314617
125314618
136314618
146304618
156304518
167304518
177294518
187294518
198294518
208294518
218294518
228294518
238294617
248294616
258304716
268304715
278304815
288304814
297314814
307314913
317314913

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 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
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 54 min at the start of January to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 6:29 AM to 6:45 AM, and sunset from 7:24 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:297:24
212.96:297:24
312.96:307:25
412.96:307:25
512.96:317:25
612.96:317:26
712.96:327:26
812.96:337:26
912.96:337:27
1012.96:347:27
1112.96:347:27
1212.96:357:27
1312.96:357:27
1412.96:367:28
1512.96:377:28
1612.86:377:28
1712.86:387:28
1812.86:387:28
1912.86:397:28
2012.86:397:28
2112.86:407:28
2212.86:417:28
2312.86:417:28
2412.86:427:28
2512.86:427:28
2612.86:437:28
2712.76:437:28
2812.76:447:28
2912.76:447:28
3012.76:457:28
3112.76:457:28

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.29 kWh/m².

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 6.4 kWh/m² in February across the year — January's 6.29 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.4Intense
Planning a trip in January

Hazard calendar for Janaúba

In seasonPeak

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

Janaúba's rainy season runs November–March, 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 Janaúba?

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

4.2
Sightseeing
7th-best month of the year
6.4
Beach & pool
10th-best month of the year

January is a reasonable time to visit Janaúba for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Janaúba in January

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

In January, Janaúba sees daytime highs around 31°C and nights near 21°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Janaúba in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Janaúba peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jul 10UV 8
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Janaúba?

Janaúba sits at 15.8°S, 43.3°W, 539 m above sea level, in Brazil. The nearest listed city is Porteirinha, 31 km away.

Topography around Janaúba

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

Within 3 km, the terrain around Janaúba has only modest variations in elevation — a maximum elevation change of 83 m around an average of 532 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 531 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,297 m.

The land around Janaúba is covered by artificial surfaces (30%), trees (24%) and grassland (23%) within 3 km, trees (33%), grassland (32%) and shrubs (20%) within 16 km, and trees (39%), grassland (29%) and shrubs (21%) within 80 km.

3 km
83 m
16 km
531 m
80 km
1,297 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Porteirinha 31 km · Barreiro do Jaíba 37 km · Jaíba 65 km · São João da Ponte 76 km · Francisco Sá 77 km · Varzelândia 78 km · Rio Pardo de Minas 85 km · Monte Azul 86 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 Janaúba (-15.8025°, -43.3089°, elevation 539 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).