Cajamar weather in October

In October, Cajamar sees average daytime highs of 27°C and overnight lows near 17°C, with 118 mm of rain across 13.1 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 24% 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 Cajamar's 8th-clearest and 2nd-windiest month. For the whole year in context, see Cajamar's year-round climate.

Daytime high
27°
6th warmest
Overnight low
17°
6th coldest
Rainfall
118 mm
13.1 wet days
Daylight
12 h 36 min
6:36 AM – 7:09 PM
Cloud cover
65%
8th clearest
Wind
12 km/h
2nd windiest
Solar energy
5.57 kWh/m²
Travel score
6.0
out of 10

Cajamar 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 Cajamar 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 about 1°C warmer than 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
102717
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

Cajamar 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°24322.213.34.4
Feb28° / 19°16918.912.84.4
Mar28° / 19°13517.712.25.3
Apr26° / 17°648.811.56.9
May24° / 14°646.810.97.5
Jun23° / 13°495.210.67.8
Jul23° / 12°464.710.78.0
Aug25° / 13°374.511.28.1
Sep26° / 15°868.911.97.0
Oct27° / 17°11813.112.56.0
Nov27° / 18°15015.713.15.5
Dec28° / 19°18919.913.44.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44159
54159
64159
74159
84159
94159
104060
114159
124060
134060
143961
153961
163862
173862
183763
193862
203862
213664
223664
233763
243763
253862
263763
273664
283763
293763
303763
313763

Chance of precipitation in October

Any precipitation

Cajamar gets around 118 mm of rain over 13.1 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 43% and peaks near 47% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
139
239
339
439
539
639
739
839
939
1039
1140
1240
1341
1441
1542
1642
1743
1844
1945
2045
2146
2246
2346
2446
2546
2646
2746
2846
2946
3047
3147

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11935378
21935389
31834399
417334010
516324110
615324311
715314411
814304512
913294612
1013284713
1112274713
1212264814
1312264914
1411254915
1511245016
1610245016
179235117
189235018
198235019
208225020
218225020
228225021
238224921
248224922
258224822
268224722
278224723
288224623
298224624
308224525
318224525

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 12 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

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 7:03 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:507:03
212.26:497:03
312.36:487:04
412.36:477:04
512.36:467:04
612.36:457:05
712.46:447:05
812.46:437:06
912.46:427:06
1012.46:417:06
1112.46:407:07
1212.56:397:07
1312.56:397:08
1412.56:387:08
1512.56:377:09
1612.66:367:09
1712.66:357:10
1812.66:347:10
1912.66:337:11
2012.66:337:11
2112.76:327:12
2212.76:317:12
2312.76:307:13
2412.76:307:13
2512.76:297:14
2612.86:287:14
2712.86:287:15
2812.86:277:15
2912.86:267:16
3012.86:267:16
3112.96:257:17

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.57 kWh/m².

For context, solar energy here swings from a low near 3.51 kWh/m² to a high of 5.84 kWh/m² in December across the year — October's 5.57 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
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 Cajamar

In seasonPeak

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

Cajamar'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 Cajamar?

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

6.0
Sightseeing
7th-best month of the year
6.0
Beach & pool
7th-best month of the year

October is a reasonable time to visit Cajamar for sightseeing.

What to pack for Cajamar in October

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

In October, Cajamar sees daytime highs around 27°C and nights near 17°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Cajamar 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 Cajamar 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 Cajamar 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 Cajamar is worst in July — around 38 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (January, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1838 µg/m³Jan 1018 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar22Moderate
Apr26Moderate
May31Moderate
Jun35Poor
Jul38Poor
Aug36Poor
Sep35Poor
Oct25Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Cajamar?

Cajamar sits at 23.4°S, 46.9°W, 735 m above sea level, in Brazil. The nearest listed city is Santana de Parnaíba, 11 km away.

Topography around Cajamar

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

Within 3 km, the terrain around Cajamar has significant variations in elevation — a maximum elevation change of 384 m around an average of 798 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 655 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,679 m.

The land around Cajamar is covered by trees (73%) within 3 km, trees (70%) within 16 km, and trees (54%) and grassland (20%) within 80 km.

3 km
384 m
16 km
655 m
80 km
1,679 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Santana de Parnaíba 11 km · Anhanguera 12 km · Pirapora do Bom Jesus 14 km · Perus 14 km · Caieiras 14 km · Francisco Morato 16 km · Franco da Rocha 16 km · Várzea Paulista 17 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 Cajamar (-23.3561°, -46.8769°, elevation 735 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).