Alta Floresta d'Oeste weather in January

In January, Alta Floresta d'Oeste sees average daytime highs of 29°C and overnight lows near 22°C, with 300 mm of rain across 28.7 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 29°C through the month. The sky is clear or mostly clear about 1% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of January to 12 h 30 min by month's end. Set against the rest of the year, January is Alta Floresta d'Oeste's 11th-clearest and 7th-windiest month. For the whole year in context, see Alta Floresta d'Oeste's year-round climate.

Daytime high
29°
10th warmest
Overnight low
22°
10th coldest
Rainfall
300 mm
28.7 wet days
Daylight
12 h 36 min
5:58 AM – 6:36 PM
Cloud cover
88%
11th clearest
Wind
6 km/h
7th windiest
Solar energy
4.84 kWh/m²
Travel score
3.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Alta Floresta d'Oeste reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922
312922

How January really feels in Alta Floresta d'Oeste

Once humidity and wind are folded in, January averages 21 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
21
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.

Alta Floresta d'Oeste 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
Jan29° / 22°30028.712.63.0
Feb29° / 22°28826.312.43.0
Mar29° / 22°28028.512.13.1
Apr29° / 21°15021.911.73.8
May29° / 20°6913.311.55.1
Jun30° / 20°183.811.36.2
Jul31° / 19°122.611.45.9
Aug32° / 20°274.911.64.8
Sep32° / 21°8112.811.93.7
Oct31° / 22°16321.612.33.2
Nov30° / 22°2332512.63.1
Dec29° / 22°27327.612.73.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2694
3694
4694
5595
6595
7595
8595
9694
10694
11694
12694
13793
14892
15892
16991
17991
18991
19991
20991
21991
22991
23991
24892
25892
26892
27892
28793
29793
30793
31793

Chance of precipitation in January

Any precipitation

Alta Floresta d'Oeste gets around 300 mm of rain over 28.7 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 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
293
393
493
593
694
794
893
993
1093
1193
1293
1393
1492
1592
1692
1792
1892
1991
2091
2191
2292
2392
2492
2592
2692
2793
2893
2993
3093
3193

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11990
21990
31990
41990
51990
61990
71990
81990
91990
101990
112980
122980
132980
142980
152980
162980
172980
182980
191990
201990
211990
221990
231990
241990
251981
261981
271981
281981
291981
301981
311981

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 42 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 12 minutes over January. Sunrise moves from 5:50 AM to 6:05 AM, and sunset from 6:32 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:506:32
212.75:516:32
312.75:516:32
412.75:526:33
512.75:526:33
612.75:536:33
712.75:536:34
812.75:546:34
912.75:546:34
1012.75:556:35
1112.75:566:35
1212.75:566:35
1312.65:576:35
1412.65:576:36
1512.65:586:36
1612.65:586:36
1712.65:596:36
1812.65:596:36
1912.66:006:37
2012.66:006:37
2112.66:016:37
2212.66:016:37
2312.66:026:37
2412.66:026:37
2512.66:036:37
2612.66:036:37
2712.66:046:37
2812.66:046:37
2912.56:046:37
3012.56:056:37
3112.56:056:37

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.84 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 5.76 kWh/m² in October across the year — January's 4.84 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for Alta Floresta d'Oeste

In seasonPeak

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

Alta Floresta d'Oeste's monsoon runs October–April, 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 Alta Floresta d'Oeste?

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

3.0
Sightseeing
11th-best month of the year
3.9
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Alta Floresta d'Oeste.

What to pack for Alta Floresta d'Oeste in January

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

In January, Alta Floresta d'Oeste sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Alta Floresta d'Oeste 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 Alta Floresta d'Oeste peaks around January 23 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 23UV 16Sep 15UV 4
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug9Very high
Sep3Moderate
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Alta Floresta d'Oeste 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 Alta Floresta d'Oeste is worst in September — around 53 µg/m³ PM2.5 (poor), about 6.9× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1450 µg/m³Jun 178 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar12Good
Apr9Good
May8Good
Jun8Good
Jul8Good
Aug34Moderate
Sep53Poor
Oct23Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Alta Floresta d'Oeste?

Alta Floresta d'Oeste sits at 12.0°S, 62.0°W, 350 m above sea level, in Brazil. The nearest listed city is Rolim de Moura, 25 km away.

Topography around Alta Floresta d'Oeste

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Alta Floresta d'Oeste.

Within 3 km, the terrain around Alta Floresta d'Oeste has only modest variations in elevation — a maximum elevation change of 160 m around an average of 368 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 249 m; within 80 km, significant variations in elevation — a maximum elevation change of 396 m.

The land around Alta Floresta d'Oeste is covered by grassland (71%) and trees (26%) within 3 km, grassland (72%) and trees (26%) within 16 km, and grassland (55%) and trees (43%) within 80 km.

3 km
160 m
16 km
249 m
80 km
396 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Rolim de Moura 25 km · Cacoal 81 km · São Miguel do Guaporé 88 km · Presidente Médici 88 km · Pimenta Bueno 89 km · Espigão dOeste 114 km · Ji Paraná 120 km · Rolim de Moura do Guaporé 129 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 Alta Floresta d'Oeste (-11.9681°, -61.9542°, elevation 350 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).