Ouro Preto weather in October

In October, Ouro Preto sees average daytime highs of 25°C and overnight lows near 16°C, with 139 mm of rain across 15.3 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 18% of the time in October, and the air most often feels humid.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 42 min by month's end. Set against the rest of the year, October is Ouro Preto's 7th-clearest and 2nd-windiest month. For the whole year in context, see Ouro Preto's year-round climate.

Daytime high
25°
5th warmest
Overnight low
16°
6th coldest
Rainfall
139 mm
15.3 wet days
Daylight
12 h 30 min
6:25 AM – 6:53 PM
Cloud cover
68%
7th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.38 kWh/m²
Travel score
5.9
out of 10

Ouro Preto 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 25°C through the month.

A typical October day in Ouro Preto reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, October runs on par with September and on par with November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62516
72516
82516
92516
102516
112516
122516
132516
142516
152616
162616
172616
182616
192616
202616
212616
222616
232516
242516
252516
262517
272517
282517
292517
302517
312517

Ouro Preto weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°2942013.14.9
Feb27° / 18°18515.612.75.3
Mar26° / 18°22719.712.15.1
Apr25° / 16°9913.111.56.3
May23° / 14°488117.1
Jun23° / 12°183.310.87.9
Jul23° / 12°112.910.98.1
Aug24° / 12°24411.38.1
Sep25° / 14°839.411.97.0
Oct25° / 16°13915.312.55.9
Nov25° / 17°28321.8134.7
Dec26° / 18°34024.213.24.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% 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 (%)
13862
23763
33763
43763
53862
63664
73664
83664
93664
103664
113664
123664
133664
143763
153664
163664
173565
183565
193565
203565
213466
223367
233268
243268
253169
262971
272872
282872
292674
302575
312476

Chance of precipitation in October

Any precipitation

Ouro Preto gets around 139 mm of rain over 15.3 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 49% and peaks near 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
445
545
644
744
843
943
1042
1142
1242
1343
1443
1544
1644
1745
1847
1948
2049
2151
2252
2354
2456
2557
2658
2760
2861
2962
3063
3164

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12137383
22137393
32037403
41937413
51937414
61837424
71837424
81837424
91737424
101737424
111737425
121637425
131637425
141537425
151437426
161438426
171338437
181237438
191137449
201037449
219364510
228354511
238344612
247344613
257334714
266324714
276314815
286304916
295294917
305285017
315265118

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 42 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 6:15 AM, and sunset from 6:49 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:376:49
212.26:376:49
312.26:366:49
412.26:356:49
512.36:346:50
612.36:336:50
712.36:326:50
812.36:316:51
912.36:306:51
1012.46:306:51
1112.46:296:52
1212.46:286:52
1312.46:276:52
1412.46:266:53
1512.56:266:53
1612.56:256:53
1712.56:246:54
1812.56:236:54
1912.56:236:54
2012.66:226:55
2112.66:216:55
2212.66:216:56
2312.66:206:56
2412.66:196:57
2512.66:196:57
2612.76:186:57
2712.76:176:58
2812.76:176:58
2912.76:166:59
3012.76:166:59
3112.76:157:00

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.38 kWh/m².

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 5.95 kWh/m² in February across the year — October's 5.38 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in October

Hazard calendar for Ouro Preto

In seasonPeak

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

Ouro Preto's monsoon runs November–March, 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 Ouro Preto?

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

5.9
Sightseeing
7th-best month of the year
5.4
Beach & pool
7th-best month of the year

October is a reasonable time to visit Ouro Preto for sightseeing.

What to pack for Ouro Preto in October

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

In October, Ouro Preto sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

UV index in Ouro Preto 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 Ouro Preto peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 10UV 15Jun 18UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep10Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Ouro Preto 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 Ouro Preto is worst in September — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (January, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1624 µg/m³Jan 1411 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar13Moderate
Apr15Moderate
May18Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep26Moderate
Oct17Moderate
Nov12Moderate
Dec12Good
Location & terrain

Where is Ouro Preto?

Ouro Preto sits at 20.4°S, 43.5°W, 1,201 m above sea level, in Brazil. The nearest listed city is Mariana, 9.0 km away.

Topography around Ouro Preto

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

Within 3 km, the terrain around Ouro Preto has significant variations in elevation — a maximum elevation change of 579 m around an average of 1,211 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,126 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,793 m.

The land around Ouro Preto is covered by trees (47%) and grassland (34%) within 3 km, trees (66%) and grassland (31%) within 16 km, and trees (51%) and grassland (45%) within 80 km.

3 km
579 m
16 km
1,126 m
80 km
1,793 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
October weather nearby: Mariana 9.0 km · Ouro Branco 24 km · Itabirito 35 km · Piranga 39 km · Congonhas 39 km · Conselheiro Lafaiete 42 km · Santa Bárbara 49 km · Barão de Cocais 50 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 Ouro Preto (-20.3948°, -43.5052°, elevation 1,201 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).