Serra Preta weather in October

In October, Serra Preta sees average daytime highs of 31°C and overnight lows near 21°C, with 28 mm of rain across 7.8 wet days and about 12.3 hours of daylight. It is the 6th-warmest and 11th-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 27% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 24 min by month's end. Set against the rest of the year, October is Serra Preta's 1st-clearest and 1st-windiest month. For the whole year in context, see Serra Preta's year-round climate.

Daytime high
31°
6th warmest
Overnight low
21°
5th coldest
Rainfall
28 mm
7.8 wet days
Daylight
12 h 18 min
5:14 AM – 5:31 PM
Cloud cover
54%
1st clearest
Wind
11 km/h
1st windiest
Solar energy
5.64 kWh/m²
Travel score
4.7
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 Serra Preta 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 28°C and 34°C. Set against its neighbours, October runs about 2°C warmer than September and about 1°C cooler than November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33120
43120
53120
63121
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183121
193121
203121
213121
223121
233221
243221
253221
263221
273221
283221
293221
303222
313222

How October really feels in Serra Preta

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
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.

Serra Preta weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°6410.212.63.7
Feb33° / 23°441012.43.5
Mar33° / 23°6212.612.13.5
Apr31° / 22°5114.811.74.0
May29° / 21°5014.111.45.1
Jun27° / 20°4915.611.35.7
Jul27° / 19°4115.211.45.9
Aug27° / 19°361411.65.9
Sep29° / 20°269.611.95.5
Oct31° / 21°287.812.34.7
Nov32° / 22°528.512.64.1
Dec32° / 22°498.412.73.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 33% of October, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36832
46832
56733
66733
76733
86733
96634
106634
116436
126436
136238
146139
156139
165941
175941
185842
195743
205743
215644
225545
235545
245545
255446
265446
275446
285347
295347
305248
315248

Chance of precipitation in October

Any precipitation

Serra Preta gets around 28 mm of rain over 7.8 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 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
326
426
526
627
727
827
927
1027
1127
1227
1326
1426
1525
1625
1724
1824
1924
2024
2123
2223
2323
2423
2523
2624
2724
2824
2925
3025
3125

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
115796
215796
314797
414797
514797
614797
714797
814797
914797
1014797
1114797
1214806
1314806
1414806
1514806
1614806
1714806
1814797
1913807
2013798
2113798
2213789
2312799
24127810
25117910
26117811
27117811
28107812
29107812
30107713
3197714

Wind in October

Winds average 11 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 11 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
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over October. Sunrise moves from 5:23 AM to 5:08 AM, and sunset from 5:30 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:235:30
212.15:225:30
312.15:225:30
412.15:215:30
512.25:205:30
612.25:205:30
712.25:195:30
812.25:195:30
912.25:185:30
1012.25:175:30
1112.25:175:30
1212.25:165:30
1312.25:165:30
1412.35:155:30
1512.35:155:30
1612.35:145:31
1712.35:145:31
1812.35:135:31
1912.35:135:31
2012.35:125:31
2112.35:125:31
2212.35:115:32
2312.45:115:32
2412.45:105:32
2512.45:105:32
2612.45:105:32
2712.45:095:33
2812.45:095:33
2912.45:095:33
3012.45:085:34
3112.45:085:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.64 kWh/m².

For context, solar energy here swings from a low near 3.51 kWh/m² to a high of 6.04 kWh/m² in December across the year — October's 5.64 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in October

Is October a good time to visit Serra Preta?

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

4.7
Sightseeing
6th-best month of the year
7.0
Beach & pool
1st-best month of the year

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

What to pack for Serra Preta in October

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

In October, Serra Preta sees daytime highs around 31°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Serra Preta 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 Serra Preta peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jun 23UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Serra Preta?

Serra Preta sits at 12.2°S, 39.3°W, 285 m above sea level, in Brazil. The nearest listed city is Santo Estêvão, 31 km away.

Topography around Serra Preta

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

Within 3 km, the terrain around Serra Preta has significant variations in elevation — a maximum elevation change of 379 m around an average of 330 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 487 m; within 80 km, large variations in elevation — a maximum elevation change of 818 m.

The land around Serra Preta is covered by grassland (51%) and trees (45%) within 3 km, grassland (77%) within 16 km, and grassland (81%) within 80 km.

3 km
379 m
16 km
487 m
80 km
818 m
treesshrubsgrasslandcroplandartificial surfaceswater
October weather nearby: Santo Estêvão 31 km · Rafael Jambeiro 33 km · Riachão do Jacuípe 40 km · Feira de Santana 41 km · Ipirá 44 km · Cabaceiras do Paraguaçu 44 km · Santa Bárbara 45 km · São Gonçalo dos Campos 51 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 Serra Preta (-12.1603°, -39.3317°, elevation 285 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).