Santa Helena de Goiás weather in October

In October, Santa Helena de Goiás sees average daytime highs of 33°C and overnight lows near 21°C, with 115 mm of rain across 14.9 wet days and about 12.4 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 31% 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 36 min by month's end. Set against the rest of the year, October is Santa Helena de Goiás's 7th-clearest and 5th-windiest month. For the whole year in context, see Santa Helena de Goiás's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
21°
10th coldest
Rainfall
115 mm
14.9 wet days
Daylight
12 h 24 min
6:55 AM – 7:20 PM
Cloud cover
60%
7th clearest
Wind
7 km/h
5th windiest
Solar energy
6.16 kWh/m²
Travel score
3.2
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical October day in Santa Helena de Goiás reaches about 33°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 29°C and 36°C. Set against its neighbours, October runs on par with September and about 2°C warmer than November.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13321
23321
33321
43321
53321
63321
73321
83321
93321
103321
113321
123321
133321
143321
153322
163322
173322
183322
193322
203322
213322
223222
233222
243222
253222
263221
273221
283221
293221
303221
313221

How October really feels in Santa Helena de Goiás

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
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.

Santa Helena de Goiás weather by month

How October compares with the rest of the year at a glance. October is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°22222.712.93.5
Feb30° / 21°17220.712.63.4
Mar30° / 21°16821.112.13.6
Apr30° / 20°7110.711.64.9
May29° / 18°223.711.26.4
Jun29° / 17°71.1117.0
Jul29° / 16°40.6116.9
Aug32° / 18°91.311.45.5
Sep33° / 20°416.111.93.9
Oct33° / 21°11514.912.43.2
Nov31° / 21°18421.912.83.2
Dec30° / 21°22024.4133.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45446
55446
65446
75446
85347
95347
105347
115248
125149
135149
145050
154951
164852
174654
184555
194357
204258
214159
224060
233961
243862
253763
263664
273565
283466
293466
303367
313367

Chance of precipitation in October

Any precipitation

Santa Helena de Goiás gets around 115 mm of rain over 14.9 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 49% and peaks near 63% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
239
339
440
540
640
740
840
941
1041
1142
1242
1343
1444
1546
1647
1748
1850
1951
2052
2154
2255
2356
2457
2558
2659
2760
2861
2962
3062
3163

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 59% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1171725392
2161625412
3151624423
4151624433
5141623443
6141623443
7141623453
8131623454
9131622454
10131622454
11121622455
12121622455
13111622456
14101622466
15101522467
1691522478
1781422488
1871322499
19612225010
20511215211
21410215411
2249205512
2338205712
2438195713
2527186013
2626186113
2725176313
2825166413
2924156613
3024156613
3124146713

Wind in October

Winds average 7 km/h in October.

Across October, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over October. Sunrise moves from 7:07 AM to 6:47 AM, and sunset from 7:16 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:077:16
212.27:067:16
312.27:057:17
412.27:047:17
512.27:037:17
612.27:027:17
712.37:027:17
812.37:017:18
912.37:007:18
1012.36:597:18
1112.36:597:18
1212.36:587:19
1312.46:577:19
1412.46:567:19
1512.46:567:19
1612.46:557:20
1712.46:547:20
1812.46:547:20
1912.56:537:21
2012.56:527:21
2112.56:527:21
2212.56:517:22
2312.56:517:22
2412.56:507:22
2512.66:507:23
2612.66:497:23
2712.66:497:24
2812.66:487:24
2912.66:487:24
3012.66:477:25
3112.66:477:25

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.16 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 6.16 kWh/m² in October across the year — October's 6.16 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.2Intense
66.2Intense
76.2Intense
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
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.0Intense
286.0Intense
296.0Intense
306.0Bright
316.0Bright
Planning a trip in October

Hazard calendar for Santa Helena de Goiás

In seasonPeak

In October, Santa Helena de Goiás sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Santa Helena de Goiás's monsoon runs October–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 Santa Helena de Goiás?

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

3.2
Sightseeing
10th-best month of the year
5.6
Beach & pool
7th-best month of the year

October is a weaker month for outdoor sightseeing in Santa Helena de Goiás.

What to pack for Santa Helena de Goiás in October

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

In October, Santa Helena de Goiás sees daytime highs around 33°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Santa Helena de Goiás 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 Santa Helena de Goiás peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 24UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Santa Helena de Goiás 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 Santa Helena de Goiás is worst in September — around 43 µg/m³ PM2.5 (poor), about 7.7× the cleanest month (November, 6 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1640 µg/m³Nov 226 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar8Good
Apr7Good
May7Good
Jun6Good
Jul8Good
Aug17Moderate
Sep43Poor
Oct15Moderate
Nov6Good
Dec7Good
Location & terrain

Where is Santa Helena de Goiás?

Santa Helena de Goiás sits at 17.8°S, 50.6°W, 566 m above sea level, in Brazil. The nearest listed city is Rio Verde, 35 km away.

Topography around Santa Helena de Goiás

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Helena de Goiás.

Within 3 km, the terrain around Santa Helena de Goiás has only modest variations in elevation — a maximum elevation change of 127 m around an average of 579 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, significant variations in elevation — a maximum elevation change of 523 m.

The land around Santa Helena de Goiás is covered by cropland (54%) and artificial surfaces (26%) within 3 km, cropland (82%) within 16 km, and cropland (71%) within 80 km.

3 km
127 m
16 km
250 m
80 km
523 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Rio Verde 35 km · Acreúna 52 km · Quirinópolis 72 km · Indiara 99 km · Bom Jesus de Goiás 102 km · Jataí 119 km · Santa Vitória 125 km · Pontalina 126 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 Santa Helena de Goiás (-17.8136°, -50.5969°, elevation 566 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).