Borba weather in October

In October, Borba sees average daytime highs of 32°C and overnight lows near 24°C, with 148 mm of rain across 21.3 wet days and about 12.1 hours of daylight. It is the 1st-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 12% 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 Borba's 5th-clearest and 3rd-windiest month. For the whole year in context, see Borba's year-round climate.

Daytime high
32°
1st warmest
Overnight low
24°
12th coldest
Rainfall
148 mm
21.3 wet days
Daylight
12 h 06 min
5:40 AM – 5:46 PM
Cloud cover
75%
5th clearest
Wind
5 km/h
3rd windiest
Solar energy
5.42 kWh/m²
Travel score
2.7
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 Borba 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 35°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How October really feels in Borba

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
31 feel dangerously hot (≥ 39°C)
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.

Borba weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°30528.612.22.7
Feb30° / 24°28626.312.12.6
Mar30° / 24°34529122.6
Apr30° / 24°31528.611.92.6
May30° / 23°23927.811.82.8
Jun31° / 23°11720.411.83.4
Jul31° / 23°8116.111.83.8
Aug32° / 24°8816.111.93.4
Sep32° / 24°13119.4122.9
Oct32° / 24°14821.312.12.7
Nov32° / 24°18323.512.22.6
Dec31° / 24°26327.712.22.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23466
33466
43367
53367
63268
73169
83169
93070
102872
112773
122674
132575
142476
152476
162278
172278
182278
192179
202080
212080
222080
232080
241882
251882
261882
271882
281783
291882
301882
311783

Chance of precipitation in October

Any precipitation

Borba gets around 148 mm of rain over 21.3 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 69% and peaks near 75% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
164
264
365
465
565
665
766
866
967
1067
1168
1269
1369
1470
1570
1670
1771
1871
1971
2071
2171
2271
2371
2471
2572
2672
2773
2873
2974
3074
3175

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
113663
203664
303664
403664
503664
603565
703565
803466
903466
1003367
1103367
1203268
1303169
1403169
1503070
1603070
1703070
1803070
1903070
2002971
2102971
2202971
2302971
2402971
2502872
2602872
2702872
2802773
2902773
3002674
3102674

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 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 5:46 AM to 5:37 AM, and sunset from 5:48 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:465:48
212.05:465:48
312.05:455:48
412.15:455:48
512.15:445:48
612.15:445:48
712.15:445:47
812.15:435:47
912.15:435:47
1012.15:425:47
1112.15:425:47
1212.15:425:47
1312.15:415:47
1412.15:415:47
1512.15:415:46
1612.15:405:46
1712.15:405:46
1812.15:405:46
1912.15:405:46
2012.15:395:46
2112.15:395:46
2212.15:395:46
2312.15:395:46
2412.15:385:46
2512.15:385:46
2612.15:385:46
2712.15:385:46
2812.15:385:46
2912.15:385:46
3012.25:375:46
3112.25:375:47

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.42 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 5.42 kWh/m² in October across the year — October's 5.42 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in October

Hazard calendar for Borba

In seasonPeak

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

Borba's rainy season runs November–May, 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 Borba?

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
4.5
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Borba.

What to pack for Borba in October

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

In October, Borba sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Borba in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Borba peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeExtremeMar 12UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep10Extreme
Oct10Very high
Nov10Very high
Dec12Extreme

Air quality in Borba 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 Borba is worst in September — around 27 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1927 µg/m³Jun 1410 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar14Moderate
Apr13Moderate
May11Good
Jun10Good
Jul11Good
Aug22Moderate
Sep27Moderate
Oct26Moderate
Nov24Moderate
Dec18Moderate
Location & terrain

Where is Borba?

Borba sits at 4.4°S, 59.6°W, 30 m above sea level, in Brazil. The nearest listed city is Nova Olinda do Norte, 78 km away.

Topography around Borba

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

Within 3 km, the terrain around Borba has only modest variations in elevation — a maximum elevation change of 37 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, only modest variations in elevation — a maximum elevation change of 96 m.

The land around Borba is covered by trees (69%) within 3 km, trees (89%) within 16 km, and trees (93%) within 80 km.

3 km
37 m
16 km
54 m
80 km
96 m
treesgrasslandartificial surfaceswater
October weather nearby: Nova Olinda do Norte 78 km · Autazes 104 km · Careiro 111 km · Novo Aripuanã 119 km · Careiro da Várzea 135 km · Iranduba 140 km · Manaquiri 144 km · Manaus 151 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 Borba (-4.3914°, -59.5886°, elevation 30 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).