Diamantina weather in October

In October, Diamantina sees average daytime highs of 27°C and overnight lows near 16°C, with 105 mm of rain across 11.1 wet days and about 12.4 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 27% of the time in October, and the air most often feels comfortable.

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 Diamantina's 7th-clearest and 2nd-windiest month. For the whole year in context, see Diamantina's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
16°
6th coldest
Rainfall
105 mm
11.1 wet days
Daylight
12 h 24 min
6:27 AM – 6:52 PM
Cloud cover
62%
7th clearest
Wind
8 km/h
2nd windiest
Solar energy
5.75 kWh/m²
Travel score
6.3
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical October day in Diamantina reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82716
92716
102716
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212717
222717
232717
242717
252717
262717
272717
282717
292717
302617
312617

Diamantina weather by month

How October compares with the rest of the year at a glance. October is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°18816.3135.4
Feb27° / 18°12612.512.65.8
Mar27° / 18°14715.812.15.6
Apr26° / 16°7610.711.66.6
May24° / 14°265.411.27.7
Jun23° / 13°81.910.98.3
Jul23° / 12°61.5118.5
Aug24° / 13°92.311.48.5
Sep26° / 14°365.711.97.4
Oct27° / 16°10511.112.46.3
Nov26° / 17°22618.912.95.0
Dec26° / 18°27020.313.14.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
35050
45050
55050
65050
75050
85050
95050
105050
115050
125050
134951
144852
154852
164753
174753
184654
194555
204456
214258
224159
233961
243961
253763
263565
273565
283367
293367
303169
313070

Chance of precipitation in October

Any precipitation

Diamantina gets around 105 mm of rain over 11.1 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 36% and peaks near 51% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
132
232
332
432
531
631
731
830
930
1030
1130
1230
1330
1430
1531
1631
1732
1832
1933
2035
2136
2238
2340
2441
2543
2644
2746
2847
2948
3049
3151

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12738323
22738323
32638323
42639323
52639323
62639324
72639314
82639304
92640304
102640295
112640285
122641285
132641276
142641276
152542276
162442277
172342287
182242287
192142298
202041309
211841329
2217403310
2316393510
2414383711
2513373811
2612364012
2711354113
2810344213
299334414
309324515
318314615

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 6:38 AM to 6:18 AM, and sunset from 6:48 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:386:48
212.26:386:49
312.26:376:49
412.26:366:49
512.26:356:49
612.36:346:49
712.36:346:50
812.36:336:50
912.36:326:50
1012.36:316:50
1112.36:306:51
1212.46:306:51
1312.46:296:51
1412.46:286:51
1512.46:276:52
1612.46:276:52
1712.46:266:52
1812.56:256:53
1912.56:256:53
2012.56:246:53
2112.56:246:54
2212.56:236:54
2312.56:226:54
2412.66:226:55
2512.66:216:55
2612.66:216:56
2712.66:206:56
2812.66:206:56
2912.66:196:57
3012.66:196:57
3112.76:186:58

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.75 kWh/m².

For context, solar energy here swings from a low near 3.89 kWh/m² to a high of 6.02 kWh/m² in February across the year — October's 5.75 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.7Bright
235.7Bright
245.7Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in October

Hazard calendar for Diamantina

In seasonPeak

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

Diamantina'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 Diamantina?

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

6.3
Sightseeing
7th-best month of the year
6.4
Beach & pool
6th-best month of the year

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

What to pack for Diamantina in October

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

In October, Diamantina sees daytime highs around 27°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Diamantina 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 Diamantina peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 13UV 15Jun 23UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Diamantina 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 Diamantina is worst in September — around 15 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (July, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 2015 µg/m³Jul 144 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar5Good
Apr5Good
May5Good
Jun4Good
Jul4Good
Aug5Good
Sep15Moderate
Oct12Moderate
Nov7Good
Dec6Good
Location & terrain

Where is Diamantina?

Diamantina sits at 18.2°S, 43.6°W, 1,281 m above sea level, in Brazil. The nearest listed city is Serro, 46 km away.

Topography around Diamantina

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

Within 3 km, the terrain around Diamantina has significant variations in elevation — a maximum elevation change of 317 m around an average of 1,224 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 868 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,528 m.

The land around Diamantina is covered by grassland (65%) within 3 km, grassland (68%) and trees (26%) within 16 km, and trees (46%) and grassland (42%) within 80 km.

3 km
317 m
16 km
868 m
80 km
1,528 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
October weather nearby: Serro 46 km · Itamarandiba 90 km · Conceição do Mato Dentro 90 km · Corinto 91 km · Guanhães 92 km · São João Evangelista 95 km · Curvelo 104 km · Peçanha 115 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 Diamantina (-18.2469°, -43.6035°, elevation 1,281 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).