Perus weather in October

In October, Perus sees average daytime highs of 26°C and overnight lows near 16°C, with 109 mm of rain across 13.5 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 18% 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 Perus's 9th-clearest and 2nd-windiest month. For the whole year in context, see Perus's year-round climate.

Daytime high
26°
7th warmest
Overnight low
16°
6th coldest
Rainfall
109 mm
13.5 wet days
Daylight
12 h 36 min
6:35 AM – 7:09 PM
Cloud cover
71%
9th clearest
Wind
12 km/h
2nd windiest
Solar energy
5.27 kWh/m²
Travel score
6.0
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical October day in Perus reaches about 26°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 31°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)
12516
22516
32516
42516
52516
62516
72516
82516
92516
102616
112616
122616
132616
142616
152617
162617
172617
182617
192617
202617
212617
222617
232617
242617
252617
262617
272617
282617
292617
302617
312617

Perus weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°2222313.34.4
Feb28° / 19°16419.612.84.6
Mar27° / 19°13919.112.25.2
Apr26° / 17°609.511.56.8
May23° / 15°587.310.97.3
Jun22° / 13°455.310.67.6
Jul22° / 13°495.310.77.7
Aug24° / 13°364.711.28.0
Sep25° / 15°849.411.97.0
Oct26° / 16°10913.512.56.0
Nov26° / 17°14515.913.15.5
Dec27° / 19°17020.213.44.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23466
33466
43466
53466
63466
73466
83466
93466
103367
113367
123367
133169
143070
153070
163070
172971
182872
192872
202872
212872
222872
232872
242872
252971
262971
272971
282971
292971
302971
312971

Chance of precipitation in October

Any precipitation

Perus gets around 109 mm of rain over 13.5 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 44% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
142
242
342
441
541
641
740
840
940
1041
1141
1241
1342
1442
1543
1643
1744
1845
1945
2046
2146
2247
2347
2447
2547
2647
2747
2847
2947
3048
3148

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11638406
21637416
31536427
41436437
51335448
61234458
71133478
81133489
91032499
1010314910
1110305011
129295111
139285112
149275212
158275213
168265214
178255215
187255216
197245316
207245217
217235218
227235218
237235119
247235119
257235119
267235020
277234921
287234921
297234822
307234822
317234723

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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

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 7:17 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
412.36:477:04
512.36:467:04
612.36:457:04
712.46:447:05
812.46:437:05
912.46:427:06
1012.46:417:06
1112.46:407:06
1212.56:397:07
1312.56:387:07
1412.56:377:08
1512.56:367:08
1612.66:357:09
1712.66:357:09
1812.66:347:10
1912.66:337:10
2012.66:327:11
2112.76:317:11
2212.76:317:12
2312.76:307:12
2412.76:297:13
2512.76:287:13
2612.86:287:14
2712.86:277:14
2812.86:267:15
2912.86:267:15
3012.86:257:16
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 5.27 kWh/m².

For context, solar energy here swings from a low near 3.36 kWh/m² to a high of 5.71 kWh/m² in December across the year — October's 5.27 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in October

Hazard calendar for Perus

In seasonPeak

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

Perus'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 Perus?

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
5.6
Beach & pool
5th-best month of the year

October is a reasonable time to visit Perus for sightseeing.

What to pack for Perus in October

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

In October, Perus sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Perus in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Perus peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 22UV 15Jul 13UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar11Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug8Very high
Sep8Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Perus 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 Perus 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 Perus?

Perus sits at 23.4°S, 46.8°W, 773 m above sea level, in Brazil. The nearest listed city is Jaraguá, 4.0 km away.

Topography around Perus

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

Within 3 km, the terrain around Perus has only modest variations in elevation — a maximum elevation change of 189 m around an average of 776 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 570 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,708 m.

The land around Perus is covered by trees (49%), artificial surfaces (25%) and grassland (22%) within 3 km, trees (54%) and artificial surfaces (33%) within 16 km, and trees (56%) and grassland (21%) within 80 km.

3 km
189 m
16 km
570 m
80 km
1,708 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Jaraguá 4.0 km · Caieiras 5.0 km · Anhanguera 5.0 km · Brasilandia 8.0 km · Franco da Rocha 10 km · Pirituba 10 km · Sao Domingos 10 km · Cachoeirinha 11 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 Perus (-23.4047°, -46.7547°, elevation 773 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).