Porteirinha weather in October

In October, Porteirinha sees average daytime highs of 32°C and overnight lows near 20°C, with 43 mm of rain across 5.9 wet days and about 12.4 hours of daylight. It is the 1st-warmest and 6th-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 41% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 36 min by month's end. Set against the rest of the year, October is Porteirinha's 6th-clearest and 4th-windiest month. For the whole year in context, see Porteirinha's year-round climate.

Daytime high
32°
1st warmest
Overnight low
20°
7th coldest
Rainfall
43 mm
5.9 wet days
Daylight
12 h 24 min
6:26 AM – 6:48 PM
Cloud cover
51%
6th clearest
Wind
11 km/h
4th windiest
Solar energy
6.37 kWh/m²
Travel score
4.3
out of 10

Porteirinha is 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 32°C through the month.

A typical October day in Porteirinha reaches about 32°C in the afternoon and slips back to 20°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 36°C. Set against its neighbours, October runs on par with September and about 2°C warmer than November.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13220
23220
33220
43220
53220
63220
73220
83220
93220
103220
113220
123220
133220
143220
153220
163220
173220
183220
193220
203220
213220
223220
233220
243220
253220
263220
273221
283221
293221
303221
313221

How October really feels in Porteirinha

Once humidity and wind are folded in, October averages 25 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
25
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.

Porteirinha weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°981112.84.5
Feb31° / 21°678.212.54.5
Mar31° / 21°821012.14.6
Apr30° / 20°314.811.75.5
May29° / 18°61.611.36.5
Jun28° / 17°10.211.17.4
Jul28° / 16°00.111.27.7
Aug30° / 16°10.211.56.8
Sep32° / 18°71.411.95.3
Oct32° / 20°435.912.44.3
Nov30° / 21°11812.612.74.3
Dec30° / 21°12613.412.94.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26634
36634
46535
56535
66634
76535
86535
96436
106436
116436
126436
136337
146238
156238
166139
176040
185941
195842
205743
215644
225446
235347
245149
255050
264852
274654
284555
294456
304357
314159

Chance of precipitation in October

Any precipitation

Porteirinha gets around 43 mm of rain over 5.9 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 19% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
111
211
312
412
512
612
712
813
913
1013
1114
1214
1315
1415
1515
1616
1717
1818
1919
2020
2121
2223
2324
2426
2527
2629
2730
2831
2932
3033
3134

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13044214
23044215
33044225
43043225
53043225
63043225
73042226
83142216
93141216
103141217
113141217
123141217
133140218
143040218
153040219
1629402110
1729402110
1828392111
1927392113
2026392214
2125382215
2224372317
2323362418
2421352420
2520332521
2619322623
2719312624
2818302626
2917292727
3017282728
3116272729

Wind in October

Winds average 11 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over October. Sunrise moves from 6:37 AM to 6:19 AM, and sunset from 6:45 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:376:45
212.26:366:45
312.26:356:46
412.26:356:46
512.26:346:46
612.26:336:46
712.26:326:46
812.26:326:46
912.36:316:47
1012.36:306:47
1112.36:306:47
1212.36:296:47
1312.36:286:47
1412.36:286:48
1512.36:276:48
1612.46:266:48
1712.46:266:48
1812.46:256:48
1912.46:256:49
2012.46:246:49
2112.46:236:49
2212.46:236:50
2312.56:226:50
2412.56:226:50
2512.56:216:50
2612.56:216:51
2712.56:206:51
2812.56:206:51
2912.56:206:52
3012.66:196:52
3112.66:196:53

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.37 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 6.37 kWh/m² in October across the year — October's 6.37 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.4Intense
196.4Intense
206.4Intense
216.3Intense
226.3Intense
236.3Intense
246.2Intense
256.2Intense
266.2Intense
276.1Intense
286.1Intense
296.0Intense
306.0Bright
316.0Bright
Planning a trip in October

Hazard calendar for Porteirinha

In seasonPeak

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

Porteirinha's rainy season runs November–March, 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 Porteirinha?

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

4.3
Sightseeing
11th-best month of the year
7.1
Beach & pool
7th-best month of the year

October is a reasonable time to visit Porteirinha for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Porteirinha in October

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

In October, Porteirinha sees daytime highs around 32°C and nights near 20°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Porteirinha in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 Porteirinha peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jul 11UV 8
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Porteirinha?

Porteirinha sits at 15.7°S, 43.0°W, 570 m above sea level, in Brazil. The nearest listed city is Janaúba, 31 km away.

Topography around Porteirinha

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

Within 3 km, the terrain around Porteirinha has significant variations in elevation — a maximum elevation change of 270 m around an average of 614 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 756 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,324 m.

The land around Porteirinha is covered by grassland (38%) and trees (30%) within 3 km, grassland (48%) and trees (29%) within 16 km, and trees (42%), grassland (27%) and shrubs (22%) within 80 km.

3 km
270 m
16 km
756 m
80 km
1,324 m
treesshrubsgrasslandcroplandartificial surfaces
October weather nearby: Janaúba 31 km · Rio Pardo de Minas 54 km · Barreiro do Jaíba 62 km · Monte Azul 67 km · Jaíba 83 km · Taiobeiras 85 km · Salinas 92 km · Espinosa 94 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 Porteirinha (-15.7433°, -43.0283°, elevation 570 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).