Jarinu weather in October

In October, Jarinu sees average daytime highs of 27°C and overnight lows near 17°C, with 141 mm of rain across 14.1 wet days and about 12.5 hours of daylight. It is the 6th-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 25% 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 54 min by month's end. Set against the rest of the year, October is Jarinu's 8th-clearest and 2nd-windiest month. For the whole year in context, see Jarinu's year-round climate.

Daytime high
27°
6th warmest
Overnight low
17°
6th coldest
Rainfall
141 mm
14.1 wet days
Daylight
12 h 30 min
6:36 AM – 7:08 PM
Cloud cover
64%
8th clearest
Wind
11 km/h
2nd windiest
Solar energy
5.64 kWh/m²
Travel score
5.9
out of 10

Jarinu 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 27°C through the month.

A typical October day in Jarinu reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 32°C. Set against its neighbours, October runs on par with September and on par with November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82716
92716
102716
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

Jarinu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°27823.413.34.3
Feb28° / 19°19419.512.84.3
Mar27° / 18°15918.412.25.2
Apr26° / 17°779.411.56.8
May24° / 14°717.510.97.4
Jun23° / 13°505.210.67.9
Jul23° / 12°494.510.78.0
Aug25° / 13°374.411.28.2
Sep26° / 15°948.911.97.0
Oct27° / 17°14114.112.55.9
Nov27° / 17°18116.713.15.4
Dec27° / 19°22421.313.44.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34555
44555
54555
64555
74456
84357
94357
104258
114258
124159
134159
143961
153961
163961
173961
183862
193961
203862
213862
223862
233862
243862
253862
263763
273763
283862
293862
303763
313763

Chance of precipitation in October

Any precipitation

Jarinu gets around 141 mm of rain over 14.1 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 45% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
141
241
342
442
541
641
741
841
942
1042
1142
1243
1343
1444
1544
1645
1746
1847
1947
2048
2149
2249
2349
2449
2549
2649
2749
2849
2949
3050
3150

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12036377
22036387
31935397
41834408
51734418
61733428
71632449
81531459
91530469
1014294710
1114284810
1214274910
1313265011
1413255111
1512255112
1611245213
1711245213
1810235314
199235315
209225316
219225316
228225317
238225317
248225218
259225019
269235019
279234920
289234821
299234721
309244622
318244523

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 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over October. Sunrise moves from 6:50 AM to 6:25 AM, and sunset from 7:02 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:507:02
212.26:497:03
312.36:487:03
412.36:477:03
512.36:467:04
612.36:457:04
712.36:447:05
812.46:437:05
912.46:427:05
1012.46:417:06
1112.46:407:06
1212.56:397:07
1312.56:387:07
1412.56:377:07
1512.56:367:08
1612.56:367:08
1712.66:357:09
1812.66:347:09
1912.66:337:10
2012.66:327:10
2112.76:327:11
2212.76:317:11
2312.76:307:12
2412.76:297:12
2512.76:297:13
2612.86:287:13
2712.86:277:14
2812.86:277:14
2912.86:267:15
3012.86:257:16
3112.96:257:16

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 3.6 kWh/m² to a high of 5.82 kWh/m² in November across the year — October's 5.64 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in October

Hazard calendar for Jarinu

In seasonPeak

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

Jarinu'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 Jarinu?

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

5.9
Sightseeing
7th-best month of the year
5.9
Beach & pool
7th-best month of the year

October is a reasonable time to visit Jarinu for sightseeing.

What to pack for Jarinu in October

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

In October, Jarinu sees daytime highs around 27°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

rain gearlight clothessun protection

UV index in Jarinu 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 Jarinu peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Jarinu 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 Jarinu is worst in June — around 71 µg/m³ PM2.5 (unhealthy), about 2.3× the cleanest month (December, 31 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJun 2370 µg/m³Dec 2031 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb34Moderate
Mar41Poor
Apr48Poor
May62Unhealthy
Jun71Unhealthy
Jul70Unhealthy
Aug60Unhealthy
Sep53Poor
Oct39Poor
Nov32Moderate
Dec31Moderate
Location & terrain

Where is Jarinu?

Jarinu sits at 23.1°S, 46.7°W, 793 m above sea level, in Brazil. The nearest listed city is Campo Limpo Paulista, 13 km away.

Topography around Jarinu

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

Within 3 km, the terrain around Jarinu has only modest variations in elevation — a maximum elevation change of 167 m around an average of 812 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 342 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,515 m.

The land around Jarinu is covered by trees (38%) and grassland (33%) within 3 km, trees (44%) and grassland (35%) within 16 km, and trees (45%) and grassland (28%) within 80 km.

3 km
167 m
16 km
342 m
80 km
1,515 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Campo Limpo Paulista 13 km · Itatiba 16 km · Várzea Paulista 16 km · Atibaia 18 km · Jundiaí 19 km · Francisco Morato 20 km · Louveira 23 km · Franco da Rocha 24 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 Jarinu (-23.1014°, -46.7283°, elevation 793 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).