Rio Brilhante weather in January

In January, Rio Brilhante sees average daytime highs of 32°C and overnight lows near 23°C, with 182 mm of rain across 19.7 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 20% of the time in January, and the air most often feels oppressive.

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 Rio Brilhante's 12th-clearest and 10th-windiest month. For the whole year in context, see Rio Brilhante's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
23°
12th coldest
Rainfall
182 mm
19.7 wet days
Daylight
13 h 12 min
6:12 AM – 7:23 PM
Cloud cover
67%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
6.04 kWh/m²
Travel score
3.2
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical January day in Rio Brilhante reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 35°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How January really feels in Rio Brilhante

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.

Rio Brilhante 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
Jan32° / 23°18219.713.23.2
Feb32° / 22°14217.212.73.3
Mar32° / 22°11414.912.23.7
Apr30° / 20°688.611.55.1
May27° / 17°767.7116.9
Jun26° / 16°515.710.77.5
Jul27° / 15°374.710.87.7
Aug29° / 17°424.711.36.3
Sep31° / 19°827.711.94.9
Oct32° / 21°1201312.53.9
Nov32° / 21°13713.8133.7
Dec32° / 22°15417.613.33.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33664
43664
53565
63565
73565
83466
93565
103565
113664
123664
133763
143664
153664
163664
173664
183763
193862
203862
213961
223961
233961
244060
254060
264060
274159
284258
294357
304357
314456

Chance of precipitation in January

Any precipitation

Rio Brilhante gets around 182 mm of rain over 19.7 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 63% and peaks near 66% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
163
264
364
465
565
666
766
866
966
1066
1165
1265
1365
1464
1564
1663
1762
1862
1961
2061
2161
2261
2361
2461
2561
2662
2762
2862
2963
3063
3163

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11428670
21327690
31326691
41326691
51325701
61325701
71425691
81425691
91425691
101425691
111425691
121426681
131426681
141426681
151526680
161526680
171526680
181527670
191527670
201527670
211527670
220527680
230527680
240527680
250527680
260527680
270526690
280526690
290526690
300525700
310525700

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:02 AM to 6:21 AM, and sunset from 7:21 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:027:21
213.36:037:21
313.36:037:21
413.36:047:22
513.36:047:22
613.36:057:22
713.36:067:22
813.36:067:22
913.36:077:23
1013.36:087:23
1113.26:087:23
1213.26:097:23
1313.26:107:23
1413.26:107:23
1513.26:117:23
1613.26:127:23
1713.26:127:23
1813.26:137:23
1913.26:147:23
2013.26:147:23
2113.16:157:23
2213.16:167:23
2313.16:167:23
2413.16:177:23
2513.16:187:23
2613.16:187:23
2713.16:197:23
2813.06:207:22
2913.06:207:22
3013.06:217:22
3113.06:217:22

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.04 kWh/m².

For context, solar energy here swings from a low near 3.49 kWh/m² to a high of 6.18 kWh/m² in December across the year — January's 6.04 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in January

Hazard calendar for Rio Brilhante

In seasonPeak

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

Rio Brilhante'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 Rio Brilhante?

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

3.2
Sightseeing
12th-best month of the year
5.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Rio Brilhante.

What to pack for Rio Brilhante in January

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

In January, Rio Brilhante sees daytime highs around 32°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Rio Brilhante in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rio Brilhante peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highModerateExtremeJan 19UV 15Sep 14UV 3
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep3Moderate
Oct12Extreme
Nov12Extreme
Dec13Extreme

Air quality in Rio Brilhante 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 Rio Brilhante is worst in September — around 25 µg/m³ PM2.5 (moderate), about 4.6× the cleanest month (April, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1623 µg/m³Apr 105 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr5Good
May6Good
Jun6Good
Jul6Good
Aug14Moderate
Sep25Moderate
Oct14Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Rio Brilhante?

Rio Brilhante sits at 21.8°S, 54.5°W, 319 m above sea level, in Brazil. The nearest listed city is Itaporã, 40 km away.

Topography around Rio Brilhante

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

Within 3 km, the terrain around Rio Brilhante has only modest variations in elevation — a maximum elevation change of 39 m around an average of 312 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 126 m; within 80 km, significant variations in elevation — a maximum elevation change of 312 m.

The land around Rio Brilhante is covered by cropland (38%), trees (25%) and artificial surfaces (20%) within 3 km, cropland (60%) and trees (21%) within 16 km, and cropland (64%) within 80 km.

3 km
39 m
16 km
126 m
80 km
312 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Itaporã 40 km · Nova Alvorada do Sul 41 km · Dourados 54 km · Fátima do Sul 64 km · Maracaju 68 km · Caarapó 97 km · Sidrolândia 106 km · Nova Andradina 133 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 Rio Brilhante (-21.8019°, -54.5464°, elevation 319 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).