Formosa do Rio Preto weather in January

In January, Formosa do Rio Preto sees average daytime highs of 30°C and overnight lows near 21°C, with 168 mm of rain across 17 wet days and about 12.6 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 18% of the time in January, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of January to 12 h 30 min by month's end. Set against the rest of the year, January is Formosa do Rio Preto's 11th-clearest and 10th-windiest month. For the whole year in context, see Formosa do Rio Preto's year-round climate.

Daytime high
30°
10th warmest
Overnight low
21°
8th coldest
Rainfall
168 mm
17 wet days
Daylight
12 h 36 min
5:53 AM – 6:28 PM
Cloud cover
70%
11th clearest
Wind
6 km/h
10th windiest
Solar energy
5.66 kWh/m²
Travel score
4.2
out of 10

Formosa do Rio Preto 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 30°C through the month.

A typical January day in Formosa do Rio Preto reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°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)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How January really feels in Formosa do Rio Preto

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Formosa do Rio Preto weather by month

How January compares with the rest of the year at a glance. January is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°1681712.64.2
Feb30° / 21°13416.212.44.2
Mar30° / 21°15016.412.14.3
Apr30° / 21°729.811.85.0
May30° / 20°202.811.55.7
Jun30° / 19°00.111.46.4
Jul30° / 19°00.111.46.5
Aug32° / 19°00.111.65.6
Sep33° / 21°6111.94.2
Oct33° / 22°555.912.23.6
Nov31° / 22°13912.912.53.9
Dec30° / 21°13814.512.64.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23565
33565
43565
53466
63466
73565
83466
93466
103466
113466
123466
133466
143466
153466
163367
173367
183367
193367
203367
213367
223466
233466
243466
253565
263466
273466
283466
293466
303466
313466

Chance of precipitation in January

Any precipitation

Formosa do Rio Preto gets around 168 mm of rain over 17 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 55% and peaks near 58% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
150
250
351
451
552
652
752
853
953
1053
1153
1253
1354
1454
1555
1655
1756
1857
1957
2057
2158
2258
2358
2458
2558
2658
2758
2857
2957
3057
3156

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11167112
21157212
31157113
41157113
51157014
61147114
71147015
81147015
91146916
101146916
111146916
121146916
131136917
141136917
151136917
161126918
171126918
181126918
191126819
201126819
211126720
221116820
231116820
241116820
251116820
260117019
270117019
280107119
290107119
300107218
310107218

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 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
16calm
26calm
36calm
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 12 h 36 min at the start of January to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 5:45 AM to 5:59 AM, and sunset from 6:23 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:456:23
212.65:456:23
312.65:466:24
412.65:466:24
512.65:476:25
612.65:476:25
712.65:486:25
812.65:486:25
912.65:496:26
1012.65:506:26
1112.65:506:26
1212.65:516:27
1312.65:516:27
1412.65:526:27
1512.65:526:27
1612.65:536:28
1712.65:536:28
1812.65:546:28
1912.65:546:28
2012.65:556:28
2112.65:556:28
2212.55:566:28
2312.55:566:29
2412.55:566:29
2512.55:576:29
2612.55:576:29
2712.55:586:29
2812.55:586:29
2912.55:596:29
3012.55:596:29
3112.55:596:29

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.66 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 6.61 kWh/m² in September across the year — January's 5.66 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Hazard calendar for Formosa do Rio Preto

In seasonPeak

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

Formosa do Rio Preto'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 Formosa do Rio Preto?

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
5.7
Beach & pool
11th-best month of the year

January is a reasonable time to visit Formosa do Rio Preto for sightseeing.

What to pack for Formosa do Rio Preto in January

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

In January, Formosa do Rio Preto sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Formosa do Rio Preto 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 Formosa do Rio Preto peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 22UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Formosa do Rio Preto 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 Formosa do Rio Preto is worst in October — around 24 µg/m³ PM2.5 (moderate), about 6.2× the cleanest month (July, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1224 µg/m³Jul 124 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr6Good
May5Good
Jun4Good
Jul4Good
Aug5Good
Sep21Moderate
Oct24Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Formosa do Rio Preto?

Formosa do Rio Preto sits at 11.0°S, 45.2°W, 495 m above sea level, in Brazil. The nearest listed city is Corrente, 67 km away.

Topography around Formosa do Rio Preto

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

Within 3 km, the terrain around Formosa do Rio Preto has only modest variations in elevation — a maximum elevation change of 92 m around an average of 503 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 285 m; within 80 km, significant variations in elevation — a maximum elevation change of 473 m.

The land around Formosa do Rio Preto is covered by trees (42%) and grassland (28%) within 3 km, trees (66%) within 16 km, and trees (37%) and shrubs (35%) within 80 km.

3 km
92 m
16 km
285 m
80 km
473 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Corrente 67 km · Santa Rita de Cássia 74 km · Riachão das Neves 84 km · Barreiras 125 km · Luis Eduardo Magalhães 133 km · São Desidério 148 km · Buritirama 175 km · Dianópolis 189 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 Formosa do Rio Preto (-11.0483°, -45.1931°, elevation 495 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).