Cajari weather in October

In October, Cajari sees average daytime highs of 34°C and overnight lows near 25°C, with 18 mm of rain across 3.5 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 49% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 12 h 06 min by month's end. Set against the rest of the year, October is Cajari's 4th-clearest and 1st-windiest month. For the whole year in context, see Cajari's year-round climate.

Daytime high
34°
1st warmest
Overnight low
25°
11th coldest
Rainfall
18 mm
3.5 wet days
Daylight
12 h 06 min
5:43 AM – 5:47 PM
Cloud cover
46%
4th clearest
Wind
13 km/h
1st windiest
Solar energy
6.22 kWh/m²
Travel score
3.3
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical October day in Cajari reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 36°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103425
113425
123425
133425
143425
153425
163425
173425
183425
193425
203425
213425
223425
233425
243425
253425
263425
273425
283425
293425
303425
313425

How October really feels in Cajari

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
26 feel dangerously hot (≥ 39°C)
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.

Cajari weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 25°20524.412.22.7
Feb31° / 24°27925.512.12.5
Mar31° / 24°35529.5122.4
Apr31° / 24°36728.211.92.4
May31° / 25°20223.411.93.0
Jun31° / 24°7914.511.83.9
Jul32° / 24°5010.111.84.4
Aug33° / 24°153.911.94.2
Sep34° / 25°92123.7
Oct34° / 25°183.512.13.3
Nov34° / 25°396.612.23.3
Dec33° / 25°911412.23.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 26% of October, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28317
38317
48218
58218
68119
78020
88020
98020
107822
117822
127822
137624
147624
157624
167624
177525
187525
197426
207327
217327
227327
237228
247228
257030
267030
276931
286832
296832
306733
316634

Chance of precipitation in October

Any precipitation

Cajari gets around 18 mm of rain over 3.5 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 12% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
18
28
38
48
58
68
79
89
99
1010
1110
1211
1311
1411
1512
1612
1712
1813
1913
2013
2114
2214
2314
2414
2515
2615
2715
2816
2916
3016
3117

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
13952
23952
33952
43961
53961
63961
73961
83961
93961
103952
113952
123952
133952
143952
153952
163952
173952
183952
193952
203952
213952
223952
233952
243952
253952
263952
273952
283952
293952
302953
312953

Wind in October

Winds average 13 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in October

DaylightNight

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

Days grow by about 6 minutes over October. Sunrise moves from 5:48 AM to 5:40 AM, and sunset from 5:50 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:485:50
212.05:485:50
312.05:475:49
412.05:475:49
512.05:475:49
612.05:465:49
712.05:465:49
812.15:455:48
912.15:455:48
1012.15:455:48
1112.15:445:48
1212.15:445:48
1312.15:445:48
1412.15:435:48
1512.15:435:47
1612.15:435:47
1712.15:435:47
1812.15:425:47
1912.15:425:47
2012.15:425:47
2112.15:425:47
2212.15:415:47
2312.15:415:47
2412.15:415:47
2512.15:415:47
2612.15:415:47
2712.15:415:47
2812.15:405:47
2912.15:405:47
3012.15:405:47
3112.15:405:47

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.22 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 6.22 kWh/m² in October across the year — October's 6.22 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in October

Hazard calendar for Cajari

In seasonPeak

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

Cajari's monsoon runs January–May, 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 Cajari?

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

3.3
Sightseeing
5th-best month of the year
6.8
Beach & pool
3rd-best month of the year

October is a weaker month for outdoor sightseeing in Cajari. The water and warmth also suit a beach or pool day.

What to pack for Cajari in October

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

In October, Cajari sees daytime highs around 34°C and nights near 25°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Cajari 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 Cajari peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in Cajari 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 Cajari is worst in November — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1918 µg/m³Jun 199 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug10Good
Sep9Good
Oct13Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Cajari?

Cajari sits at 3.3°S, 45.0°W, 10 m above sea level, in Brazil. The nearest listed city is Viana, 11 km away.

Topography around Cajari

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

Within 3 km, the terrain around Cajari has only modest variations in elevation — a maximum elevation change of 28 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 55 m; within 80 km, only modest variations in elevation — a maximum elevation change of 169 m.

The land around Cajari is covered by grassland (65%) within 3 km, grassland (44%), trees (26%) and wetland (22%) within 16 km, and grassland (45%) and trees (37%) within 80 km.

3 km
28 m
16 km
55 m
80 km
169 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
October weather nearby: Viana 11 km · Penalva 18 km · Vitória do Mearim 22 km · Matinha 25 km · Arari 30 km · Monção 33 km · Anajatuba 44 km · São João Batista 47 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 Cajari (-3.3208°, -45.0108°, elevation 10 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).