Ribeirão Preto weather in October

In October, Ribeirão Preto sees average daytime highs of 31°C and overnight lows near 20°C, with 113 mm of rain across 12.9 wet days and about 12.5 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 33% 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 48 min by month's end. Set against the rest of the year, October is Ribeirão Preto's 7th-clearest and 3rd-windiest month. For the whole year in context, see Ribeirão Preto's year-round climate.

Daytime high
31°
1st warmest
Overnight low
20°
7th coldest
Rainfall
113 mm
12.9 wet days
Daylight
12 h 30 min
6:41 AM – 7:11 PM
Cloud cover
60%
7th clearest
Wind
9 km/h
3rd windiest
Solar energy
5.98 kWh/m²
Travel score
4.3
out of 10

Ribeirão Preto is human settlement in Brazil.

Air quality
Moderate
PM2.5 13.9 µg/m³ · 2019

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 31°C through the month.

A typical October day in Ribeirão Preto reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 35°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43119
53119
63119
73119
83119
93119
103119
113119
123120
133120
143120
153120
163120
173120
183120
193120
203120
213120
223120
233120
243120
253120
263120
273020
283020
293020
303020
313020

Ribeirão Preto 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
Jan30° / 21°25523.113.13.6
Feb30° / 21°17618.312.73.9
Mar30° / 20°15818.612.14.2
Apr29° / 18°659.111.55.8
May27° / 16°455.6117.5
Jun26° / 14°272.910.78.1
Jul27° / 14°192.410.88.2
Aug29° / 15°192.811.37.1
Sep30° / 18°686.811.95.4
Oct31° / 20°11312.912.54.3
Nov30° / 20°16817.4134.1
Dec30° / 21°22122.113.33.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55347
65347
75347
85248
95248
105149
115149
125050
135050
145050
154951
164951
174852
184654
194555
204654
214456
224357
234357
244258
254258
264258
274159
284159
293961
303862
313862

Chance of precipitation in October

Any precipitation

Ribeirão Preto gets around 113 mm of rain over 12.9 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 42% and peaks near 51% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
135
235
336
436
536
636
736
837
937
1037
1138
1239
1339
1440
1540
1641
1742
1843
1944
2044
2145
2246
2346
2447
2547
2648
2748
2849
2949
3050
3151

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1222632200
2212632210
3202632220
4202532220
5192532230
6192532240
7182532250
8182432260
9182432260
10172432270
11172432280
12162432280
13152433290
14142333290
15142334300
16132334300
17112235310
18102136320
1992136340
2082037350
2181937360
2271938360
2361838370
2461738380
2551739391
2651638401
2751538411
2851537421
2951437431
3051436442
3151336442

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
269calm
279calm
289calm
299calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over October. Sunrise moves from 6:54 AM to 6:32 AM, and sunset from 7:06 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:547:06
212.26:547:06
312.26:537:07
412.36:527:07
512.36:517:07
612.36:507:08
712.36:497:08
812.36:487:08
912.46:477:09
1012.46:467:09
1112.46:457:09
1212.46:457:10
1312.46:447:10
1412.56:437:10
1512.56:427:11
1612.56:417:11
1712.56:417:12
1812.56:407:12
1912.66:397:12
2012.66:387:13
2112.66:387:13
2212.66:377:14
2312.66:367:14
2412.66:367:15
2512.76:357:15
2612.76:347:16
2712.76:347:16
2812.76:337:17
2912.76:337:17
3012.86:327:18
3112.86:327:18

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.98 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 5.98 kWh/m² in October across the year — October's 5.98 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
86.0Bright
96.0Bright
106.0Bright
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in October

Hazard calendar for Ribeirão Preto

In seasonPeak

None of Ribeirão 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.

Ribeirão 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 Ribeirão Preto?

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

4.3
Sightseeing
7th-best month of the year
6.3
Beach & pool
7th-best month of the year

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

What to pack for Ribeirão Preto in October

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

In October, Ribeirão Preto sees daytime highs around 31°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Ribeirão Preto in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ribeirão Preto peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 15Jun 22UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul7High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Ribeirão 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 Ribeirão Preto is worst in September — around 38 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (November, 7 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Ribeirão Preto's WHO annual average of 13.9 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1336 µg/m³Nov 227 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May11Good
Jun11Good
Jul12Moderate
Aug28Moderate
Sep38Poor
Oct14Moderate
Nov7Good
Dec8Good
Location & terrain

Where is Ribeirão Preto?

Ribeirão Preto sits at 21.2°S, 47.8°W, 554 m above sea level, in Brazil. The nearest listed city is Jardinópolis, 18 km away.

Topography around Ribeirão Preto

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

Within 3 km, the terrain around Ribeirão Preto has only modest variations in elevation — a maximum elevation change of 113 m around an average of 554 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 344 m; within 80 km, large variations in elevation — a maximum elevation change of 694 m.

The land around Ribeirão Preto is covered by artificial surfaces (81%) within 3 km, cropland (54%) within 16 km, and cropland (63%) and trees (26%) within 80 km.

3 km
113 m
16 km
344 m
80 km
694 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Jardinópolis 18 km · Sertãozinho 19 km · Cravinhos 20 km · Serrana 23 km · Brodowski 26 km · Pontal 29 km · Pradópolis 33 km · Barrinha 37 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 Ribeirão Preto (-21.1775°, -47.8103°, elevation 554 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).