Benjamin Constant weather in October

In October, Benjamin Constant sees average daytime highs of 31°C and overnight lows near 23°C, with 216 mm of rain across 26.1 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 4% of the time in October, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of October to 12 h 12 min by month's end. Set against the rest of the year, October is Benjamin Constant's 5th-clearest and 8th-windiest month. For the whole year in context, see Benjamin Constant's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
23°
7th coldest
Rainfall
216 mm
26.1 wet days
Daylight
12 h 06 min
5:22 AM – 5:28 PM
Cloud cover
79%
5th clearest
Wind
4 km/h
8th windiest
Solar energy
5.07 kWh/m²
Travel score
2.7
out of 10

Benjamin Constant is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical October day in Benjamin Constant reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How October really feels in Benjamin Constant

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.

Benjamin Constant weather by month

How October compares with the rest of the year at a glance. October is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°30928.812.22.7
Feb30° / 23°2912612.12.7
Mar30° / 23°32629122.6
Apr30° / 23°28527.911.92.7
May30° / 23°2482711.83.0
Jun29° / 22°16424.511.83.4
Jul30° / 22°13122.211.83.8
Aug31° / 22°13021.911.93.5
Sep31° / 23°16523.6123.0
Oct31° / 23°21626.112.12.7
Nov31° / 23°2302712.22.6
Dec30° / 23°28228.912.22.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32476
42278
52278
62179
72179
82179
91981
101981
111882
121783
131783
141684
151684
161585
171585
181486
191486
201387
211387
221387
231288
241189
251189
261189
271189
281090
291090
301090
311090

Chance of precipitation in October

Any precipitation

Benjamin Constant gets around 216 mm of rain over 26.1 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 85% and peaks near 86% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
182
283
383
483
584
684
784
885
985
1085
1185
1285
1385
1486
1586
1686
1786
1886
1986
2086
2185
2285
2385
2485
2585
2685
2785
2885
2986
3086
3186

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the miserable band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14060
24159
34159
44159
54258
64258
74258
84357
94357
104456
114456
124456
134456
144456
154456
164357
174357
184258
194258
204159
214060
223961
233862
243763
253763
263664
273664
283664
293565
303565
313466

Wind in October

Winds average 4 km/h in October.

Across October, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

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

Days grow by about 12 minutes over October. Sunrise moves from 5:28 AM to 5:19 AM, and sunset from 5:30 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:285:30
212.05:285:30
312.05:275:30
412.15:275:30
512.15:265:29
612.15:265:29
712.15:255:29
812.15:255:29
912.15:255:29
1012.15:245:29
1112.15:245:29
1212.15:245:28
1312.15:235:28
1412.15:235:28
1512.15:235:28
1612.15:225:28
1712.15:225:28
1812.15:225:28
1912.15:215:28
2012.15:215:28
2112.15:215:28
2212.15:215:28
2312.15:205:28
2412.15:205:28
2512.15:205:28
2612.15:205:28
2712.15:205:28
2812.15:195:28
2912.15:195:28
3012.15:195:28
3112.25:195:28

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.07 kWh/m².

For context, solar energy here swings from a low near 3.84 kWh/m² to a high of 5.11 kWh/m² in September across the year — October's 5.07 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in October

Is October a good time to visit Benjamin Constant?

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

2.7
Sightseeing
6th-best month of the year
4.0
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Benjamin Constant.

What to pack for Benjamin Constant in October

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

In October, Benjamin Constant sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Benjamin Constant 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 Benjamin Constant peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 16 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 15Aug 16UV 9
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug9Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec12Extreme

Air quality in Benjamin Constant 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 Benjamin Constant is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodSep 1118 µg/m³Jun 129 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar13Moderate
Apr12Good
May9Good
Jun9Good
Jul11Good
Aug17Moderate
Sep19Moderate
Oct12Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Benjamin Constant?

Benjamin Constant sits at 4.4°S, 70.0°W, 68 m above sea level, in Brazil. The nearest listed city is Atalaia do Norte, 18 km away.

EirunepéSanto Antônio do IçáTonantinsIpixuna

Topography around Benjamin Constant

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

Within 3 km, the terrain around Benjamin Constant has only modest variations in elevation — a maximum elevation change of 44 m around an average of 75 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, only modest variations in elevation — a maximum elevation change of 134 m.

The land around Benjamin Constant is covered by trees (61%) and grassland (21%) within 3 km, trees (87%) within 16 km, and trees (96%) within 80 km.

3 km
44 m
16 km
84 m
80 km
134 m
treesgrasslandartificial surfaceswater
October weather nearby: Atalaia do Norte 18 km · Tabatinga 19 km · Leticia 21 km · São Paulo de Olivença 170 km · Eirunepé 255 km · Santo Antônio do Içá 272 km · Tonantins 299 km · Ipixuna 350 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 Benjamin Constant (-4.3755°, -70.0318°, elevation 68 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).