Igaraçu do Tietê weather in October

In October, Igaraçu do Tietê sees average daytime highs of 29°C and overnight lows near 18°C, with 112 mm of rain across 12.5 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 30% 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 Igaraçu do Tietê's 8th-clearest and 2nd-windiest month. For the whole year in context, see Igaraçu do Tietê's year-round climate.

Daytime high
29°
4th warmest
Overnight low
18°
6th coldest
Rainfall
112 mm
12.5 wet days
Daylight
12 h 30 min
6:43 AM – 7:15 PM
Cloud cover
62%
8th clearest
Wind
11 km/h
2nd windiest
Solar energy
5.85 kWh/m²
Travel score
5.1
out of 10

Igaraçu do Tietê 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 29°C through the month.

A typical October day in Igaraçu do Tietê reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, October runs about 1°C warmer than September and on par with November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32917
42917
52917
62917
72918
82918
92918
102918
112918
122918
132918
142918
152918
162918
172918
182918
192918
202918
212918
222918
232918
242918
252918
262918
272919
282919
292919
302919
312919

Igaraçu do Tietê weather by month

How October compares with the rest of the year at a glance. October is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°24122.313.23.8
Feb29° / 21°17518.912.83.9
Mar29° / 20°13216.712.24.7
Apr28° / 18°567.411.56.6
May25° / 15°566.210.97.6
Jun25° / 14°404.410.68.1
Jul25° / 14°313.810.88.3
Aug27° / 14°32411.27.9
Sep28° / 16°657.511.96.4
Oct29° / 18°11212.512.55.1
Nov29° / 19°1471513.14.8
Dec29° / 20°18319.813.44.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% 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 (%)
15149
25050
34951
44951
54852
64951
74852
84951
94852
104852
114753
124654
134654
144456
154456
164357
174258
184258
194159
204159
214060
223961
233961
243961
254060
264060
273961
283961
293961
303862
313961

Chance of precipitation in October

Any precipitation

Igaraçu do Tietê gets around 112 mm of rain over 12.5 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 40% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
135
235
335
435
536
636
736
836
936
1037
1137
1238
1339
1439
1540
1641
1742
1843
1943
2044
2144
2245
2345
2444
2544
2644
2744
2844
2944
3044
3144

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1183134170
2183134170
3173035180
4163036190
5153036190
6142937200
7142937200
8132838210
9122739210
10122740220
11122640220
12112541220
13112442230
14102442230
15102343240
1692244250
1782144261
1882144271
1972044281
2071945291
2161944291
2261944301
2361844311
2461843311
2561843321
2661842321
2761841332
2861840342
2961839352
3061839352
3161838362

Wind in October

Winds average 11 km/h in October.

Across October, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
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 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 6:57 AM to 6:33 AM, and sunset from 7:09 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:577:09
212.26:567:10
312.26:557:10
412.36:547:10
512.36:537:11
612.36:527:11
712.36:517:12
812.46:507:12
912.46:497:12
1012.46:497:13
1112.46:487:13
1212.46:477:13
1312.56:467:14
1412.56:457:14
1512.56:447:15
1612.56:437:15
1712.66:437:16
1812.66:427:16
1912.66:417:17
2012.66:407:17
2112.66:397:17
2212.76:397:18
2312.76:387:18
2412.76:377:19
2512.76:377:19
2612.76:367:20
2712.86:357:20
2812.86:357:21
2912.86:347:22
3012.86:337:22
3112.86:337:23

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.85 kWh/m².

For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 5.98 kWh/m² in November across the year — October's 5.85 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
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in October

Hazard calendar for Igaraçu do Tietê

In seasonPeak

In October, Igaraçu do Tietê sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Igaraçu do Tietê's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Igaraçu do Tietê?

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

5.1
Sightseeing
7th-best month of the year
6.6
Beach & pool
7th-best month of the year

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

What to pack for Igaraçu do Tietê in October

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

In October, Igaraçu do Tietê sees daytime highs around 29°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Igaraçu do Tietê 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 Igaraçu do Tietê peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 22UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Igaraçu do Tietê 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 Igaraçu do Tietê is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1022 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun14Moderate
Jul14Moderate
Aug22Moderate
Sep22Moderate
Oct17Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Igaraçu do Tietê?

Igaraçu do Tietê sits at 22.5°S, 48.6°W, 496 m above sea level, in Brazil. The nearest listed city is Barra Bonita, 2.0 km away.

Topography around Igaraçu do Tietê

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

Within 3 km, the terrain around Igaraçu do Tietê has only modest variations in elevation — a maximum elevation change of 126 m around an average of 480 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 330 m; within 80 km, large variations in elevation — a maximum elevation change of 679 m.

The land around Igaraçu do Tietê is covered by cropland (32%), artificial surfaces (27%) and trees (20%) within 3 km, cropland (65%) within 16 km, and cropland (44%) and trees (38%) within 80 km.

3 km
126 m
16 km
330 m
80 km
679 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Barra Bonita 2.0 km · Macatuba 16 km · Jaú 24 km · Dois Córregos 24 km · São Manuel 25 km · Lençóis Paulista 27 km · Pederneiras 28 km · Botucatu 43 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 Igaraçu do Tietê (-22.5092°, -48.5578°, elevation 496 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).