Três Marias weather in October

In October, Três Marias sees average daytime highs of 31°C and overnight lows near 21°C, with 69 mm of rain across 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 31°C through the month. The sky is clear or mostly clear about 36% 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 Três Marias's 7th-clearest and 2nd-windiest month. For the whole year in context, see Três Marias's year-round climate.

Daytime high
31°
1st warmest
Overnight low
21°
8th coldest
Rainfall
69 mm
9 wet days
Daylight
12 h 24 min
6:33 AM – 6:59 PM
Cloud cover
56%
7th clearest
Wind
8 km/h
2nd windiest
Solar energy
6.24 kWh/m²
Travel score
4.6
out of 10

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 Três Marias reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°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)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183122
193122
203122
213122
223122
233122
243122
253122
263122
273022
283022
293022
303022
313022

Três Marias 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
Jan29° / 22°17617.6134.3
Feb30° / 22°12213.412.64.4
Mar29° / 22°13815.812.14.6
Apr29° / 21°497.611.66.0
May28° / 19°152.711.27.6
Jun27° / 17°30.710.98.3
Jul27° / 17°10.3118.4
Aug29° / 17°30.611.47.4
Sep31° / 19°22411.95.7
Oct31° / 21°69912.44.6
Nov29° / 21°17417.512.94.3
Dec29° / 22°23119.813.14.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46139
56139
66139
76139
86139
96040
106040
116040
125941
135842
145743
155644
165545
175347
185248
195149
205050
214951
224753
234555
244456
254357
264159
274159
283961
293961
303763
313763

Chance of precipitation in October

Any precipitation

Três Marias gets around 69 mm of rain over 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 29% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
126
226
326
426
525
625
725
825
925
1024
1124
1224
1324
1425
1525
1625
1726
1826
1927
2028
2130
2231
2332
2434
2535
2636
2738
2839
2940
3042
3143

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1112637261
2102636261
3102636271
4102636271
5102636281
6102636281
7102536281
8102535281
9102535281
10102635281
11102535281
12102535281
13102535281
14102536282
15102436282
1692337292
1792338292
1882238302
1972139312
2062039322
2162039342
2251939352
2341839372
2431739392
2531639412
2621538422
2711438442
2811337462
2911237482
3011236502
3101135522

Wind in October

Winds average 8 km/h in October.

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

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
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 6:45 AM to 6:25 AM, and sunset from 6:55 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:456:55
212.26:446:55
312.26:436:55
412.26:436:55
512.26:426:56
612.36:416:56
712.36:406:56
812.36:396:56
912.36:396:57
1012.36:386:57
1112.36:376:57
1212.46:366:57
1312.46:366:58
1412.46:356:58
1512.46:346:58
1612.46:336:59
1712.46:336:59
1812.56:326:59
1912.56:317:00
2012.56:317:00
2112.56:307:00
2212.56:297:01
2312.56:297:01
2412.66:287:01
2512.66:287:02
2612.66:277:02
2712.66:277:03
2812.66:267:03
2912.66:267:03
3012.66:257:04
3112.76:257:04

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.24 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.31 kWh/m² to a high of 6.24 kWh/m² in October across the year — October's 6.24 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.0Intense
276.0Intense
286.0Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in October

Hazard calendar for Três Marias

In seasonPeak

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

Três Marias'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 Três Marias?

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

4.6
Sightseeing
7th-best month of the year
6.8
Beach & pool
7th-best month of the year

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

What to pack for Três Marias in October

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

In October, Três Marias sees daytime highs around 31°C and nights near 21°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Três Marias 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 Três Marias peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 10UV 15Jun 22UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Três Marias?

Três Marias sits at 18.2°S, 45.2°W, 547 m above sea level, in Brazil. The nearest listed city is Corinto, 85 km away.

Topography around Três Marias

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

Within 3 km, the terrain around Três Marias has only modest variations in elevation — a maximum elevation change of 243 m around an average of 572 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 326 m; within 80 km, significant variations in elevation — a maximum elevation change of 527 m.

The land around Três Marias is covered by grassland (27%) and artificial surfaces (21%) within 3 km, shrubs (32%), grassland (27%) and trees (22%) within 16 km, and grassland (38%), trees (29%) and shrubs (20%) within 80 km.

3 km
243 m
16 km
326 m
80 km
527 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Corinto 85 km · Várzea da Palma 86 km · Buritizeiro 100 km · Pirapora 101 km · Curvelo 105 km · Abaeté 108 km · João Pinheiro 111 km · Pompéu 118 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 Três Marias (-18.2064°, -45.2417°, elevation 547 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).