Ibiúna weather in January

In January, Ibiúna sees average daytime highs of 26°C and overnight lows near 19°C, with 275 mm of rain across 25 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 26°C through the month. The sky is clear or mostly clear about 8% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of January to 13 h 06 min by month's end. Set against the rest of the year, January is Ibiúna's 12th-clearest and 7th-windiest month. For the whole year in context, see Ibiúna's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
19°
11th coldest
Rainfall
275 mm
25 wet days
Daylight
13 h 18 min
6:39 AM – 7:58 PM
Cloud cover
80%
12th clearest
Wind
10 km/h
7th windiest
Solar energy
5.33 kWh/m²
Travel score
4.2
out of 10

Ibiúna 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 26°C through the month.

A typical January day in Ibiúna reaches about 26°C in the afternoon and slips back to 19°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)
12618
22618
32618
42619
52619
62619
72619
82619
92619
102619
112619
122619
132619
142619
152619
162619
172619
182619
192619
202619
212619
222619
232619
242619
252719
262719
272719
282719
292719
302719
312719

Ibiúna 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
Jan26° / 19°2752513.34.2
Feb27° / 19°21421.812.84.3
Mar26° / 18°18021.712.24.9
Apr25° / 16°7811.911.56.5
May22° / 14°688.710.96.8
Jun21° / 13°58610.67.2
Jul21° / 12°595.810.77.3
Aug22° / 13°465.511.27.6
Sep23° / 14°999.911.96.8
Oct24° / 15°13015.612.65.8
Nov25° / 16°1691813.15.4
Dec26° / 18°20822.313.44.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% 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 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32080
41981
51882
61882
71882
81981
91981
101981
111981
121981
132080
142080
152080
162080
172080
182080
192179
202179
212179
222278
232278
242377
252377
262377
272476
282476
292476
302476
312575

Chance of precipitation in January

Any precipitation

Ibiúna gets around 275 mm of rain over 25 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 (%)
177
277
378
478
579
679
780
880
980
1080
1180
1280
1380
1480
1580
1680
1780
1880
1980
2080
2180
2280
2380
2480
2580
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 70% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1527662
2527662
3526672
4425692
5425692
6424702
7424702
8423712
9423712
10423712
11423712
12423712
13423712
14424702
15424702
16424702
17424702
18425692
19424702
20424702
21424702
22424702
23423703
24423703
25422713
26422713
27421723
28421723
29420733
30420733
31420733

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 24 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 18 minutes over January. Sunrise moves from 6:29 AM to 6:49 AM, and sunset from 7:55 PM to 7:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:297:55
213.46:307:55
313.46:307:56
413.46:317:56
513.46:317:56
613.46:327:56
713.46:337:57
813.46:337:57
913.46:347:57
1013.46:357:57
1113.46:357:57
1213.46:367:57
1313.36:377:57
1413.36:377:57
1513.36:387:58
1613.36:397:58
1713.36:407:58
1813.36:407:57
1913.36:417:57
2013.36:427:57
2113.26:427:57
2213.26:437:57
2313.26:447:57
2413.26:447:57
2513.26:457:57
2613.26:467:56
2713.26:477:56
2813.16:477:56
2913.16:487:56
3013.16:497:55
3113.16:497:55

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.33 kWh/m².

For context, solar energy here swings from a low near 3.23 kWh/m² to a high of 5.63 kWh/m² in December across the year — January's 5.33 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in January

Hazard calendar for Ibiúna

In seasonPeak

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

Ibiúna'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 Ibiúna?

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

4.2
Sightseeing
12th-best month of the year
4.2
Beach & pool
12th-best month of the year

January is a reasonable time to visit Ibiúna for sightseeing.

What to pack for Ibiúna in January

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

In January, Ibiúna sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 25 days see rain.

rain gearlight clothessun protection

UV index in Ibiúna 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 Ibiúna peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Ibiúna 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 Ibiúna is worst in July — around 33 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 2033 µg/m³Jan 1817 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb17Moderate
Mar18Moderate
Apr20Moderate
May24Moderate
Jun30Moderate
Jul33Moderate
Aug32Moderate
Sep29Moderate
Oct21Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Ibiúna?

Ibiúna sits at 23.7°S, 47.2°W, 868 m above sea level, in Brazil. The nearest listed city is Mairinque, 13 km away.

Topography around Ibiúna

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

Within 3 km, the terrain around Ibiúna has only modest variations in elevation — a maximum elevation change of 150 m around an average of 876 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 403 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,388 m.

The land around Ibiúna is covered by trees (47%) and grassland (32%) within 3 km, trees (58%) and grassland (31%) within 16 km, and trees (61%) within 80 km.

3 km
150 m
16 km
403 m
80 km
1,388 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Mairinque 13 km · Alumínio 14 km · São Roque 17 km · Vargem Grande Paulista 21 km · Piedade 22 km · Votorantim 25 km · Araçariguama 29 km · Sorocaba 30 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 Ibiúna (-23.6564°, -47.2225°, elevation 868 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).