Rorainópolis weather in October

In October, Rorainópolis sees average daytime highs of 32°C and overnight lows near 23°C, with 129 mm of rain across 18.5 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-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 17% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 12 hours by month's end. Set against the rest of the year, October is Rorainópolis's 3rd-clearest and 7th-windiest month. For the whole year in context, see Rorainópolis's year-round climate.

Daytime high
32°
1st warmest
Overnight low
23°
10th coldest
Rainfall
129 mm
18.5 wet days
Daylight
12 hours
5:47 AM – 5:46 PM
Cloud cover
70%
3rd clearest
Wind
4 km/h
7th windiest
Solar energy
5.36 kWh/m²
Travel score
3.2
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 Rorainópolis reaches about 32°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 29°C and 34°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
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How October really feels in Rorainópolis

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.

Rorainópolis weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°11715123.8
Feb31° / 24°10813.2123.7
Mar31° / 24°18418.1123.5
Apr30° / 23°34824.7123.1
May29° / 23°45629.4122.9
Jun29° / 23°34128.412.12.9
Jul29° / 22°24828.2123.1
Aug30° / 23°18525.1123.2
Sep32° / 23°14720.6123.1
Oct32° / 23°12918.5123.2
Nov31° / 23°16120.4123.1
Dec31° / 23°16119.911.93.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43862
53862
63664
73664
83664
93664
103565
113565
123565
133565
143565
153466
163466
173466
183466
193565
203565
213565
223466
233466
243466
253268
263169
273169
283070
292971
302872
312773

Chance of precipitation in October

Any precipitation

Rorainópolis gets around 129 mm of rain over 18.5 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 60% and peaks near 64% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
158
258
358
458
559
659
759
859
960
1060
1161
1261
1361
1462
1562
1662
1761
1861
1961
2060
2160
2260
2360
2460
2561
2661
2762
2862
2962
3063
3164

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
125444
225444
325444
425444
515544
615544
715544
815544
915544
1015445
1115445
1215445
1315346
1415346
1515247
1615247
1715148
1815049
1915049
2014950
2114950
2214851
2314851
2414752
2514752
2614752
2704654
2804654
2904654
3004654
3104654

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 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
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

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

Days grow by about 0 minutes over October. Sunrise moves from 5:51 AM to 5:46 AM, and sunset from 5:50 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:515:50
212.05:515:50
312.05:505:50
412.05:505:49
512.05:505:49
612.05:505:49
712.05:495:48
812.05:495:48
912.05:495:48
1012.05:495:48
1112.05:485:47
1212.05:485:47
1312.05:485:47
1412.05:485:47
1512.05:485:46
1612.05:475:46
1712.05:475:46
1812.05:475:46
1912.05:475:45
2012.05:475:45
2112.05:475:45
2212.05:475:45
2312.05:465:45
2412.05:465:45
2512.05:465:45
2612.05:465:45
2712.05:465:44
2812.05:465:44
2912.05:465:44
3012.05:465:44
3112.05:465:44

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.36 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 5.36 kWh/m² in October across the year — October's 5.36 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in October

Hazard calendar for Rorainópolis

In seasonPeak

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

Rorainópolis's rainy season runs April–July, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Rorainópolis?

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

3.2
Sightseeing
5th-best month of the year
5.1
Beach & pool
4th-best month of the year

October is a weaker month for outdoor sightseeing in Rorainópolis.

What to pack for Rorainópolis in October

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

In October, Rorainópolis sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Rorainópolis in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rorainópolis peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 19UV 15Nov 16UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr15Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec11Extreme

Air quality in Rorainópolis 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 Rorainópolis is worst in March — around 33 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (July, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1732 µg/m³Jul 119 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb24Moderate
Mar33Moderate
Apr25Moderate
May11Good
Jun9Good
Jul9Good
Aug11Good
Sep12Good
Oct14Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Rorainópolis?

Rorainópolis sits at 0.9°N, 60.4°W, 82 m above sea level, in Brazil. The nearest listed city is Caracaraí, 125 km away.

Alto AlegreLethemPresidente FigueiredoBarcelos

Topography around Rorainópolis

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

Within 3 km, the terrain around Rorainópolis has only modest variations in elevation — a maximum elevation change of 49 m around an average of 87 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 226 m; within 80 km, large variations in elevation — a maximum elevation change of 858 m.

The land around Rorainópolis is covered by grassland (46%) and trees (45%) within 3 km, trees (66%) and grassland (34%) within 16 km, and trees (81%) within 80 km.

3 km
49 m
16 km
226 m
80 km
858 m
treesgrasslandartificial surfaceswetland
October weather nearby: Caracaraí 125 km · Mucajaí 175 km · Cantá 186 km · Boa Vista 210 km · Alto Alegre 248 km · Lethem 278 km · Presidente Figueiredo 334 km · Barcelos 351 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 Rorainópolis (0.9461°, -60.4181°, elevation 82 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).