Alto Alegre weather in October

In October, Alto Alegre sees average daytime highs of 32°C and overnight lows near 23°C, with 104 mm of rain across 15 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 8th-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 28% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 11 h 54 min by month's end. Set against the rest of the year, October is Alto Alegre's 2nd-clearest and 7th-windiest month. For the whole year in context, see Alto Alegre's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
23°
6th coldest
Rainfall
104 mm
15 wet days
Daylight
11 h 54 min
5:53 AM – 5:49 PM
Cloud cover
60%
2nd clearest
Wind
5 km/h
7th windiest
Solar energy
5.69 kWh/m²
Travel score
3.4
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October day in Alto Alegre 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 30°C and 35°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°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 October really feels in Alto Alegre

Once humidity and wind are folded in, October 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Alto Alegre weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 8th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 21% of October, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35644
45644
55545
65347
75347
85248
95149
105050
115050
124852
134852
144852
154753
164654
174753
184753
194753
204753
214852
224753
234654
244654
254654
264555
274456
284456
294258
304258
314060

Chance of precipitation in October

Any precipitation

Alto Alegre gets around 104 mm of rain over 15 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 49% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
447
547
648
748
848
949
1049
1150
1250
1350
1450
1550
1650
1750
1850
1950
2049
2149
2249
2349
2449
2549
2649
2750
2850
2950
3051
3151

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the oppressive band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
157817
257817
357817
457916
557916
657916
767816
867816
967816
1067816
1167816
1267816
1357916
1457916
1557916
1657916
1757916
1857916
1948016
2048016
2148016
2248016
2348016
2438116
2538116
2638116
2738017
2838017
2938017
3037918
3137918

Wind in October

Winds average 5 km/h in October.

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

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 hours at the start of October to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over October. Sunrise moves from 5:56 AM to 5:53 AM, and sunset from 5:54 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:565:54
212.05:555:54
312.05:555:53
412.05:555:53
512.05:555:53
612.05:555:52
712.05:545:52
812.05:545:52
912.05:545:51
1012.05:545:51
1111.95:545:51
1211.95:545:50
1311.95:535:50
1411.95:535:50
1511.95:535:49
1611.95:535:49
1711.95:535:49
1811.95:535:49
1911.95:535:48
2011.95:535:48
2111.95:535:48
2211.95:525:48
2311.95:525:48
2411.95:525:47
2511.95:525:47
2611.95:525:47
2711.95:525:47
2811.95:525:47
2911.95:525:47
3011.95:535:47
3111.95:535:47

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.69 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 — October's 5.69 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in October

Hazard calendar for Alto Alegre

In seasonPeak

None of Alto Alegre's seasonal hazards are active in October. 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 October a good time to visit Alto Alegre?

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

3.4
Sightseeing
4th-best month of the year
5.6
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Alto Alegre.

What to pack for Alto Alegre in October

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

In October, Alto Alegre sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Alto Alegre in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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).