Alto Alegre weather in January

In January, Alto Alegre sees average daytime highs of 32°C and overnight lows near 24°C, with 58 mm of rain across 8.6 wet days and about 11.9 hours of daylight. It is the 4th-warmest and 11th-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 16% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Alto Alegre's 4th-clearest and 3rd-windiest month. For the whole year in context, see Alto Alegre's year-round climate.

Daytime high
32°
4th warmest
Overnight low
24°
10th coldest
Rainfall
58 mm
8.6 wet days
Daylight
11 h 48 min
6:20 AM – 6:11 PM
Cloud cover
66%
4th clearest
Wind
8 km/h
3rd windiest
Solar energy
5.32 kWh/m²
Travel score
4.0
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 Alto Alegre reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°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)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How January really feels in Alto Alegre

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.

Alto Alegre weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°588.611.94.0
Feb33° / 24°517.511.93.7
Mar33° / 24°8410123.4
Apr32° / 24°24019.112.13.1
May30° / 23°40627.512.13.0
Jun29° / 22°3722812.23.1
Jul29° / 22°30028.712.23.1
Aug30° / 23°20125.312.13.2
Sep32° / 23°11818.3123.4
Oct32° / 23°1041511.93.4
Nov32° / 23°12816.611.93.3
Dec32° / 24°9813.511.83.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 23% of January, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54060
64159
74060
84060
94060
103961
113961
124060
134060
144060
153961
163961
173961
183961
193862
203961
213961
223961
233862
243862
253862
263862
273862
283862
293862
303862
313862

Chance of precipitation in January

Any precipitation

Alto Alegre gets around 58 mm of rain over 8.6 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 28% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
232
331
430
529
629
728
828
928
1028
1128
1227
1327
1427
1527
1626
1726
1826
1927
2027
2127
2227
2327
2427
2527
2627
2727
2827
2927
3027
3127

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1238582
2339571
3340561
4341551
5342541
6443521
7443521
8443521
9544501
10544510
11644501
12644491
13745481
14745471
15845461
16945451
17946441
181046431
191146421
201246421
211246411
221346401
231446401
241446391
251546391
261546381
271546381
281645381
291645381
301645381
311744381

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 48 min at the start of January to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:14 AM to 6:23 AM, and sunset from 6:04 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:146:04
211.86:156:05
311.86:156:05
411.86:156:06
511.86:166:06
611.86:166:07
711.86:176:07
811.86:176:07
911.86:176:08
1011.86:186:08
1111.86:186:09
1211.86:186:09
1311.86:196:10
1411.86:196:10
1511.86:196:10
1611.86:206:11
1711.96:206:11
1811.96:206:12
1911.96:216:12
2011.96:216:12
2111.96:216:13
2211.96:216:13
2311.96:226:13
2411.96:226:14
2511.96:226:14
2611.96:226:14
2711.96:236:14
2811.96:236:15
2911.96:236:15
3011.96:236:15
3111.96:236:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.32 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 5.73 kWh/m² in March across the year — January's 5.32 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in January

Hazard calendar for Alto Alegre

In seasonPeak

None of Alto Alegre's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Alto Alegre's monsoon runs April–August, 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 Alto Alegre?

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

4.0
Sightseeing
1st-best month of the year
6.4
Beach & pool
1st-best month of the year

January is a reasonable time to visit Alto Alegre for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Alto Alegre in January

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

In January, Alto Alegre sees daytime highs around 32°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Alto Alegre in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Alto Alegre peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 18 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 21UV 14Nov 18UV 11
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Alto Alegre 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 Alto Alegre is worst in March — around 24 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2124 µg/m³Dec 1112 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb18Moderate
Mar24Moderate
Apr22Moderate
May16Moderate
Jun14Moderate
Jul13Moderate
Aug12Moderate
Sep12Moderate
Oct13Moderate
Nov12Moderate
Dec12Moderate
Location & terrain

Where is Alto Alegre?

Alto Alegre sits at 2.9°N, 61.5°W, 83 m above sea level, in Brazil. The nearest listed city is Mucajaí, 83 km away.

Rorainópolis

Topography around Alto Alegre

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

Within 3 km, the terrain around Alto Alegre has only modest variations in elevation — a maximum elevation change of 61 m around an average of 93 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 147 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,411 m.

The land around Alto Alegre is covered by trees (70%) and grassland (22%) within 3 km, trees (69%) and grassland (29%) within 16 km, and trees (68%) and grassland (30%) within 80 km.

3 km
61 m
16 km
147 m
80 km
1,411 m
treesshrubsgrasslandcroplandwaterwetland
January weather nearby: Mucajaí 83 km · Boa Vista 92 km · Cantá 105 km · Caracaraí 127 km · Pacaraima 175 km · Santa Elena de Uairén 195 km · Lethem 196 km · Rorainópolis 248 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 Alto Alegre (2.8958°, -61.4975°, elevation 83 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).