Ribeirão Branco weather in January

In January, Ribeirão Branco sees average daytime highs of 27°C and overnight lows near 18°C, with 280 mm of rain across 25.3 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 7% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 30 min at the start of January to 13 h 06 min by month's end. Set against the rest of the year, January is Ribeirão Branco's 12th-clearest and 5th-windiest month. For the whole year in context, see Ribeirão Branco's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
18°
11th coldest
Rainfall
280 mm
25.3 wet days
Daylight
13 h 18 min
6:44 AM – 8:05 PM
Cloud cover
79%
12th clearest
Wind
9 km/h
5th windiest
Solar energy
5.15 kWh/m²
Travel score
4.2
out of 10

Ribeirão Branco 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 27°C through the month.

A typical January day in Ribeirão Branco reaches about 27°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102718
112718
122718
132718
142718
152718
162718
172718
182718
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718
312718

Ribeirão Branco weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°28025.313.34.2
Feb27° / 18°21222.312.84.2
Mar26° / 18°16321.312.24.9
Apr24° / 16°7511.411.56.5
May21° / 13°8310.110.86.5
Jun21° / 12°797.510.56.8
Jul20° / 11°786.610.76.9
Aug22° / 11°566.911.27.2
Sep23° / 13°1181111.86.5
Oct24° / 15°13615.512.65.8
Nov25° / 16°14517.613.25.4
Dec26° / 17°19821.313.54.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32080
42080
51981
61981
71882
81981
91981
101981
111981
121981
131981
141981
151981
161981
171981
181981
191981
201981
211882
221981
231981
241981
252080
262080
272179
282278
292278
302278
312377

Chance of precipitation in January

Any precipitation

Ribeirão Branco gets around 280 mm of rain over 25.3 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 80% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
175
276
376
477
578
679
779
880
980
1081
1181
1281
1381
1481
1581
1681
1781
1881
1981
2081
2181
2281
2381
2481
2581
2681
2781
2881
2981
3080
3180

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 69% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1829603
2728623
3728623
4628633
5627643
6627643
7527653
8527653
9527653
10526663
11426673
12426673
13426673
14426673
15426673
16526663
17526663
18526663
19525673
20525673
21625663
22624673
23624673
24623683
25623683
26622693
27622693
28522703
29521713
30521713
31521713

Wind in January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 30 min at the start of January to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over January. Sunrise moves from 6:34 AM to 6:55 AM, and sunset from 8:02 PM to 8:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.56:348:02
213.56:358:03
313.56:358:03
413.56:368:03
513.56:368:04
613.46:378:04
713.46:388:04
813.46:388:04
913.46:398:04
1013.46:408:04
1113.46:408:05
1213.46:418:05
1313.46:428:05
1413.46:438:05
1513.46:438:05
1613.36:448:05
1713.36:458:05
1813.36:458:05
1913.36:468:05
2013.36:478:05
2113.36:478:04
2213.36:488:04
2313.36:498:04
2413.26:508:04
2513.26:508:04
2613.26:518:04
2713.26:528:03
2813.26:528:03
2913.26:538:03
3013.16:548:03
3113.16:558:02

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.15 kWh/m².

For context, solar energy here swings from a low near 3.03 kWh/m² to a high of 5.48 kWh/m² in December across the year — January's 5.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Ribeirão Branco

In seasonPeak

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

Ribeirão Branco's rainy season runs October–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 Ribeirão Branco?

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

4.2
Sightseeing
11th-best month of the year
4.2
Beach & pool
10th-best month of the year

January is a reasonable time to visit Ribeirão Branco for sightseeing.

What to pack for Ribeirão Branco in January

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

In January, Ribeirão Branco sees daytime highs around 27°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 25 days see rain.

rain gearlight clothessun protection

UV index in Ribeirão Branco in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ribeirão Branco peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 15Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Ribeirão Branco?

Ribeirão Branco sits at 24.2°S, 48.8°W, 873 m above sea level, in Brazil. The nearest listed city is Guapiara, 24 km away.

Topography around Ribeirão Branco

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

Within 3 km, the terrain around Ribeirão Branco has only modest variations in elevation — a maximum elevation change of 153 m around an average of 855 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 437 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,316 m.

The land around Ribeirão Branco is covered by trees (52%) and grassland (30%) within 3 km, trees (73%) within 16 km, and trees (71%) within 80 km.

3 km
153 m
16 km
437 m
80 km
1,316 m
treesgrasslandcroplandartificial surfaces
January weather nearby: Guapiara 24 km · Itapeva 29 km · Apiaí 33 km · Capão Bonito 49 km · Buri 50 km · Itaberá 55 km · Itararé 59 km · Sengés 72 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 Ribeirão Branco (-24.2208°, -48.7656°, elevation 873 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).