Olho d’Água das Cunhãs weather in October

In October, Olho d’Água das Cunhãs sees average daytime highs of 36°C and overnight lows near 25°C, with 18 mm of rain across 3.4 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 46% 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 Olho d’Água das Cunhãs's 4th-clearest and 1st-windiest month. For the whole year in context, see Olho d’Água das Cunhãs's year-round climate.

Daytime high
36°
1st warmest
Overnight low
25°
12th coldest
Rainfall
18 mm
3.4 wet days
Daylight
12 h 06 min
5:43 AM – 5:48 PM
Cloud cover
47%
4th clearest
Wind
9 km/h
1st windiest
Solar energy
6.27 kWh/m²
Travel score
2.5
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 36°C through the month.

A typical October day in Olho d’Água das Cunhãs reaches about 36°C in the afternoon and slips back to 25°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 38°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13625
23625
33625
43625
53625
63625
73625
83625
93625
103625
113625
123625
133625
143625
153625
163625
173625
183625
193625
203625
213625
223625
233625
243625
253625
263625
273625
283625
293625
303625
313525

How October really feels in Olho d’Água das Cunhãs

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
31 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.

Olho d’Água das Cunhãs weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°23024.912.22.6
Feb31° / 23°24624.712.12.5
Mar31° / 24°28129122.4
Apr31° / 24°2382611.92.7
May32° / 24°11117.911.83.4
Jun32° / 23°306.411.84.3
Jul33° / 23°143.211.84.1
Aug35° / 24°51.411.93.3
Sep36° / 25°71.3122.7
Oct36° / 25°183.412.12.5
Nov35° / 25°50812.22.6
Dec34° / 25°12115.712.22.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 29% 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
28416
38416
48317
58218
68119
78119
88119
98020
108020
117921
127822
137822
147822
157723
167723
177624
187624
197426
207327
217327
227228
237030
246931
256931
266733
276733
286535
296535
306436
316238

Chance of precipitation in October

Any precipitation

Olho d’Água das Cunhãs gets around 18 mm of rain over 3.4 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 11% and peaks near 18% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
47
57
67
77
88
98
108
119
129
1310
1410
1511
1611
1712
1812
1912
2013
2113
2214
2314
2415
2515
2616
2716
2817
2917
3018
3118

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
128720
228720
328720
428720
529710
629710
729710
829710
929710
1029710
1128720
1228720
1328720
1427721
1527721
1627721
1726731
1826731
1925741
2025741
2124751
2224751
2323761
2423752
2523752
2622762
2722762
2821772
2921772
3020782
3119783

Wind in October

Winds average 9 km/h in October, the windiest month of the year.

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

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:51 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:485:51
212.05:485:50
312.05:485:50
412.05:475:50
512.15:475:50
612.15:465:50
712.15:465:49
812.15:455:49
912.15:455:49
1012.15:455:49
1112.15:445:49
1212.15:445:49
1312.15:445:49
1412.15:435:48
1512.15:435:48
1612.15:435:48
1712.15:425:48
1812.15:425:48
1912.15:425:48
2012.15:425:48
2112.15:415:48
2212.15:415:48
2312.15:415:48
2412.15:415:48
2512.15:415:48
2612.15:405:48
2712.15:405:48
2812.15:405:48
2912.15:405:48
3012.15:405:48
3112.15:405:48

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.27 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 6.27 kWh/m² in October across the year — October's 6.27 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.1Intense
316.1Intense
Planning a trip in October

Hazard calendar for Olho d’Água das Cunhãs

In seasonPeak

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

Olho d’Água das Cunhãs's monsoon runs January–April, 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 Olho d’Água das Cunhãs?

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

2.5
Sightseeing
10th-best month of the year
5.8
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Olho d’Água das Cunhãs.

What to pack for Olho d’Água das Cunhãs in October

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

In October, Olho d’Água das Cunhãs sees daytime highs around 36°C and nights near 25°C. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Olho d’Água das Cunhãs 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 Olho d’Água das Cunhãs peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 19 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jul 19UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Olho d’Água das Cunhãs 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 Olho d’Água das Cunhãs is worst in November — around 27 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1426 µg/m³Jun 189 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May11Good
Jun9Good
Jul10Good
Aug10Good
Sep13Moderate
Oct22Moderate
Nov27Moderate
Dec20Moderate
Location & terrain

Where is Olho d’Água das Cunhãs?

Olho d’Água das Cunhãs sits at 4.1°S, 45.1°W, 75 m above sea level, in Brazil. The nearest listed city is Vitorino Freire, 22 km away.

Topography around Olho d’Água das Cunhãs

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Olho d’Água das Cunhãs.

Within 3 km, the terrain around Olho d’Água das Cunhãs has only modest variations in elevation — a maximum elevation change of 41 m around an average of 32 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 102 m; within 80 km, significant variations in elevation — a maximum elevation change of 362 m.

The land around Olho d’Água das Cunhãs is covered by grassland (88%) within 3 km, grassland (92%) within 16 km, and grassland (59%) and trees (37%) within 80 km.

3 km
41 m
16 km
102 m
80 km
362 m
treesshrubsgrasslandartificial surfaceswaterwetland
October weather nearby: Vitorino Freire 22 km · Pio XII 34 km · Paulo Ramos 37 km · Bacabal 39 km · Lago da Pedra 47 km · São Luís Gonzaga do Maranhão 56 km · Santa Inês 60 km · Santa Luzia 63 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 Olho d’Água das Cunhãs (-4.1387°, -45.1188°, elevation 75 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).