Sumidouro weather in January

In January, Sumidouro sees average daytime highs of 28°C and overnight lows near 20°C, with 241 mm of rain across 19.2 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 14% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of January to 13 hours by month's end. Set against the rest of the year, January is Sumidouro's 10th-clearest and 6th-windiest month. For the whole year in context, see Sumidouro's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
20°
12th coldest
Rainfall
241 mm
19.2 wet days
Daylight
13 h 12 min
6:24 AM – 7:36 PM
Cloud cover
75%
10th clearest
Wind
6 km/h
6th windiest
Solar energy
5.74 kWh/m²
Travel score
4.8
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Sumidouro reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12720
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

Sumidouro weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°24119.213.24.8
Feb28° / 19°14214.312.84.9
Mar28° / 19°14317.412.25.2
Apr26° / 17°6610.611.56.5
May24° / 15°437117.4
Jun23° / 14°19410.78.0
Jul23° / 13°234.410.88.0
Aug24° / 14°25511.28.0
Sep25° / 15°699.511.97.0
Oct26° / 17°11914.212.55.9
Nov26° / 18°21719.613.14.9
Dec27° / 19°25621.913.34.6

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 14% of January, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42476
52476
62476
72476
82476
92575
102674
112674
122674
132872
142872
152872
162872
172872
182872
192872
202872
212872
222773
232872
242971
252971
263070
272971
283169
293169
303268
313367

Chance of precipitation in January

Any precipitation

Sumidouro gets around 241 mm of rain over 19.2 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 61% and peaks near 71% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
171
270
369
468
566
665
764
863
962
1061
1160
1259
1359
1458
1558
1659
1759
1859
1959
2060
2160
2260
2360
2460
2560
2659
2759
2859
2959
3058
3158

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 75% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1015769
2015769
3015769
4015769
5015769
6015769
7015769
8015769
9015769
10015769
11016759
12016759
13016759
14016759
15016759
16115759
171157410
181157410
191157410
201157410
211157410
221157311
231147411
241147411
251147411
260147511
270147511
280137611
290137611
300137611
310137611

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
46calm
56calm
66calm
76calm
86calm
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 13 h 18 min at the start of January to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:14 AM to 6:34 AM, and sunset from 7:34 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:147:34
213.36:157:34
313.36:157:34
413.36:167:35
513.36:167:35
613.36:177:35
713.36:187:35
813.36:187:35
913.36:197:36
1013.36:207:36
1113.36:207:36
1213.36:217:36
1313.26:227:36
1413.26:227:36
1513.26:237:36
1613.26:247:36
1713.26:247:36
1813.26:257:36
1913.26:267:36
2013.26:267:36
2113.26:277:36
2213.16:287:36
2313.16:287:36
2413.16:297:36
2513.16:307:36
2613.16:307:36
2713.16:317:35
2813.16:327:35
2913.06:327:35
3013.06:337:35
3113.06:347:34

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.74 kWh/m².

For context, solar energy here swings from a low near 3.49 kWh/m² to a high of 5.97 kWh/m² in February across the year — January's 5.74 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in January

Hazard calendar for Sumidouro

In seasonPeak

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

Sumidouro's monsoon runs October–March, 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 Sumidouro?

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

4.8
Sightseeing
11th-best month of the year
5.2
Beach & pool
10th-best month of the year

January is a reasonable time to visit Sumidouro for sightseeing.

What to pack for Sumidouro in January

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

In January, Sumidouro sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Sumidouro 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 Sumidouro peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 24UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Sumidouro 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 Sumidouro is worst in September — around 19 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (January, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Jan 1210 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr12Moderate
May14Moderate
Jun14Moderate
Jul14Moderate
Aug14Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Sumidouro?

Sumidouro sits at 22.0°S, 42.7°W, 366 m above sea level, in Brazil. The nearest listed city is Carmo, 15 km away.

Topography around Sumidouro

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

Within 3 km, the terrain around Sumidouro has large variations in elevation — a maximum elevation change of 658 m around an average of 492 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,230 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.

The land around Sumidouro is covered by trees (49%) and grassland (49%) within 3 km, grassland (50%) and trees (49%) within 16 km, and trees (49%) and grassland (49%) within 80 km.

3 km
658 m
16 km
1,230 m
80 km
2,252 m
treesgrasslandartificial surfaces
January weather nearby: Carmo 15 km · Além Paraíba 18 km · Sapucaia 25 km · São José do Vale do Rio Preto 28 km · Bom Jardim 29 km · Nova Friburgo 30 km · Cordeiro 32 km · Cantagalo 33 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 Sumidouro (-22.0497°, -42.6747°, elevation 366 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).