Guapiaçu weather in October

In October, Guapiaçu sees average daytime highs of 31°C and overnight lows near 21°C, with 111 mm of rain across 12.1 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 31°C through the month. The sky is clear or mostly clear about 34% of the time in October, and the air most often feels muggy.

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 Guapiaçu's 7th-clearest and 4th-windiest month. For the whole year in context, see Guapiaçu's year-round climate.

Daytime high
31°
1st warmest
Overnight low
21°
7th coldest
Rainfall
111 mm
12.1 wet days
Daylight
12 h 30 min
6:47 AM – 7:16 PM
Cloud cover
58%
7th clearest
Wind
10 km/h
4th windiest
Solar energy
6.11 kWh/m²
Travel score
4.1
out of 10

Guapiaçu 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 31°C through the month.

A typical October day in Guapiaçu reaches about 31°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 36°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53120
63120
73120
83220
93220
103221
113221
123221
133221
143221
153221
163221
173221
183221
193221
203221
213221
223121
233121
243121
253121
263121
273121
283121
293121
303121
313121

How October really feels in Guapiaçu

Once humidity and wind are folded in, October averages 11 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
11
heat index over the day's high
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.

Guapiaçu 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° / 22°26423.213.13.4
Feb30° / 22°18919.812.73.6
Mar30° / 21°17219.112.14.0
Apr29° / 20°629.111.55.6
May27° / 17°445.1117.4
Jun27° / 16°243.110.87.9
Jul28° / 16°152.110.98.0
Aug30° / 17°182.511.36.5
Sep31° / 19°586.511.95.0
Oct31° / 21°11112.112.54.1
Nov31° / 21°16617133.9
Dec30° / 22°22422.313.23.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35545
45446
55446
65446
75446
85446
95446
105446
115347
125347
135248
145248
155149
165050
174951
184852
194753
204654
214555
224555
234456
244357
254357
264258
274258
284159
294060
303961
313961

Chance of precipitation in October

Any precipitation

Guapiaçu gets around 111 mm of rain over 12.1 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 39% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
133
233
333
433
533
634
734
834
934
1035
1135
1236
1336
1437
1537
1638
1739
1840
1940
2041
2142
2243
2344
2444
2545
2646
2747
2847
2948
3049
3149

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1182328292
2182328302
3172328312
4162327312
5162327323
6152327323
7152327333
8152326333
9142326334
10142326334
11132326344
12132326344
13122326344
14122227354
15112227365
16102127375
1792028385
1882028396
1971928406
2061828417
2161728427
2251628438
2351528448
2441428459
2541327469
26413274610
27412264711
28412264811
29411254812
30410254912
31410245013

Wind in October

Winds average 10 km/h in October.

Across October, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:00 AM to 6:38 AM, and sunset from 7:12 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:007:12
212.26:597:12
312.26:587:12
412.26:577:12
512.36:577:13
612.36:567:13
712.36:557:13
812.36:547:14
912.36:537:14
1012.46:527:14
1112.46:517:15
1212.46:517:15
1312.46:507:15
1412.46:497:16
1512.56:487:16
1612.56:477:16
1712.56:477:17
1812.56:467:17
1912.56:457:18
2012.66:447:18
2112.66:447:19
2212.66:437:19
2312.66:427:19
2412.66:427:20
2512.76:417:20
2612.76:407:21
2712.76:407:21
2812.76:397:22
2912.76:397:22
3012.76:387:23
3112.86:387:23

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.11 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 6.11 kWh/m² in October across the year — October's 6.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
26.0Bright
36.0Bright
46.0Bright
56.0Intense
66.0Intense
76.0Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in October

Hazard calendar for Guapiaçu

In seasonPeak

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

Guapiaçu's monsoon runs November–March, 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 Guapiaçu?

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

4.1
Sightseeing
7th-best month of the year
6.2
Beach & pool
7th-best month of the year

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

What to pack for Guapiaçu in October

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

In October, Guapiaçu sees daytime highs around 31°C and nights near 21°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Guapiaçu 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 Guapiaçu peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 22UV 15Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug8Very high
Sep10Very high
Oct10Extreme
Nov13Extreme
Dec14Extreme

Air quality in Guapiaçu 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 Guapiaçu is worst in September — around 24 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1423 µg/m³Nov 228 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar10Good
Apr10Good
May11Good
Jun10Good
Jul10Good
Aug19Moderate
Sep24Moderate
Oct16Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Guapiaçu?

Guapiaçu sits at 20.8°S, 49.2°W, 508 m above sea level, in Brazil. The nearest listed city is São José do Rio Preto, 17 km away.

Topography around Guapiaçu

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

Within 3 km, the terrain around Guapiaçu has only modest variations in elevation — a maximum elevation change of 100 m around an average of 522 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 157 m; within 80 km, significant variations in elevation — a maximum elevation change of 288 m.

The land around Guapiaçu is covered by cropland (49%) and trees (21%) within 3 km, cropland (56%) and trees (22%) within 16 km, and cropland (63%) and trees (20%) within 80 km.

3 km
100 m
16 km
157 m
80 km
288 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: São José do Rio Preto 17 km · Bady Bassitt 27 km · Nova Granada 31 km · Mirassol 31 km · Potirendaba 32 km · Olímpia 32 km · Catanduva 46 km · Tanabi 48 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 Guapiaçu (-20.795°, -49.2203°, elevation 508 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).