Jaú weather in October

In October, Jaú sees average daytime highs of 30°C and overnight lows near 19°C, with 110 mm of rain across 12.6 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 30°C through the month. The sky is clear or mostly clear about 31% 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 Jaú's 8th-clearest and 2nd-windiest month. For the whole year in context, see Jaú's year-round climate.

Daytime high
30°
1st warmest
Overnight low
19°
7th coldest
Rainfall
110 mm
12.6 wet days
Daylight
12 h 30 min
6:44 AM – 7:15 PM
Cloud cover
61%
8th clearest
Wind
11 km/h
2nd windiest
Solar energy
5.91 kWh/m²
Travel score
4.8
out of 10

Jaú is human settlement in Brazil.

Air quality
Good
PM10 25 µg/m³ · 2014

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 30°C through the month.

A typical October day in Jaú reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 35°C. Set against its neighbours, October runs on par with September and on par with November.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12918
22918
32918
42918
53018
63018
73018
83018
93018
103018
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293019
303019
313019

Jaú 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°24722.113.23.7
Feb30° / 21°1801912.83.7
Mar30° / 20°13917.412.24.4
Apr29° / 19°58811.56.2
May26° / 16°566.310.97.5
Jun25° / 14°374.110.78.0
Jul26° / 14°273.510.88.2
Aug28° / 15°293.611.27.6
Sep29° / 17°647.411.96.0
Oct30° / 19°11012.612.54.8
Nov30° / 19°15615.513.14.4
Dec30° / 21°19220.313.33.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45149
55149
65149
75149
85050
94951
104852
114852
124753
134654
144654
154555
164456
174357
184357
194258
204159
214159
224159
234060
244060
254060
264060
274060
283961
294060
304060
313961

Chance of precipitation in October

Any precipitation

Jaú gets around 110 mm of rain over 12.6 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 41% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
134
235
335
435
535
635
736
836
936
1037
1138
1238
1339
1440
1541
1641
1742
1843
1944
2045
2145
2245
2345
2445
2545
2645
2745
2845
2945
3045
3146

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1182934190
2182835200
3172835200
4162735210
5162736220
6152736220
7152636230
8142637230
9142537240
10132438240
11132438250
12122438251
13122339261
14112339261
15112240271
16102140281
1792140291
1882040301
1982040311
2071940321
2171940332
2271940332
2361839342
2461839342
2561839352
2661838353
2761837363
2861737363
2961736373
3061736373
3161735384

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 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 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 7:22 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
712.36:517:11
812.46:507:12
912.46:507:12
1012.46:497:13
1112.46:487:13
1212.46:477:13
1312.56:467:14
1412.56:457:14
1512.56:447:15
1612.56:447:15
1712.56:437:15
1812.66:427:16
1912.66:417:16
2012.66:407:17
2112.66:407:17
2212.66:397:18
2312.76:387:18
2412.76:387:19
2512.76:377:19
2612.76:367:20
2712.76:367:20
2812.86:357:21
2912.86:347:21
3012.86:347:22
3112.86:337:22

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.91 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 6.01 kWh/m² in November across the year — October's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in October

Hazard calendar for Jaú

In seasonPeak

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

Jaú's rainy season runs November–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 Jaú?

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

4.8
Sightseeing
7th-best month of the year
6.5
Beach & pool
7th-best month of the year

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

What to pack for Jaú in October

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

In October, Jaú sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Jaú 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 Jaú 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 Jaú 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 Jaú 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 Jaú?

Jaú sits at 22.3°S, 48.6°W, 528 m above sea level, in Brazil. The nearest listed city is Dois Córregos, 20 km away.

Topography around Jaú

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

Within 3 km, the terrain around Jaú has only modest variations in elevation — a maximum elevation change of 143 m around an average of 549 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 319 m; within 80 km, large variations in elevation — a maximum elevation change of 700 m.

The land around Jaú is covered by artificial surfaces (53%) within 3 km, cropland (70%) within 16 km, and cropland (50%) and trees (35%) within 80 km.

3 km
143 m
16 km
319 m
80 km
700 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Dois Córregos 20 km · Barra Bonita 22 km · Pederneiras 23 km · Igaraçu do Tietê 24 km · Macatuba 28 km · Bariri 31 km · Lençóis Paulista 42 km · Brotas 44 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 Jaú (-22.2964°, -48.5578°, elevation 528 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).