Santa Terezinha de Itaipu weather in October

In October, Santa Terezinha de Itaipu sees average daytime highs of 28°C and overnight lows near 19°C, with 198 mm of rain across 13.2 wet days and about 12.6 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°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 13 hours by month's end. Set against the rest of the year, October is Santa Terezinha de Itaipu's 12th-clearest and 4th-windiest month. For the whole year in context, see Santa Terezinha de Itaipu's year-round climate.

Daytime high
28°
6th warmest
Overnight low
19°
7th coldest
Rainfall
198 mm
13.2 wet days
Daylight
12 h 36 min
7:04 AM – 7:41 PM
Cloud cover
59%
12th clearest
Wind
10 km/h
4th windiest
Solar energy
5.39 kWh/m²
Travel score
5.4
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical October day in Santa Terezinha de Itaipu reaches about 28°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, October runs about 2°C warmer than September and about 1°C cooler than November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32818
42818
52818
62818
72818
82818
92818
102818
112818
122819
132819
142819
152919
162919
172919
182919
192919
202919
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919
312919

How October really feels in Santa Terezinha de Itaipu

Once humidity and wind are folded in, October averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Santa Terezinha de Itaipu weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°15715.413.43.9
Feb31° / 22°15213.912.94.1
Mar30° / 21°14112.512.24.8
Apr28° / 18°1389.211.46.3
May24° / 15°1629.210.87.1
Jun22° / 14°1379.210.46.9
Jul22° / 13°1178.510.67.2
Aug25° / 14°946.911.17.6
Sep27° / 16°1549.911.86.7
Oct28° / 19°19813.212.65.4
Nov30° / 20°15811.513.25.0
Dec31° / 21°18414.913.64.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in October, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34555
44555
54654
64555
74555
84555
94555
104555
114654
124654
134555
144654
154654
164753
174753
184753
194753
204753
214753
224852
234852
244852
254852
264852
274852
284852
294852
304852
314852

Chance of precipitation in October

Any precipitation

Santa Terezinha de Itaipu gets around 198 mm of rain over 13.2 wet days in October, the wettest month. 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 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
542
642
742
842
942
1042
1142
1242
1342
1442
1543
1643
1743
1844
1944
2044
2144
2244
2343
2443
2543
2643
2743
2843
2943
3043
3143

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 52% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1152032312
2142032322
3131932342
4121931353
5111931363
6111830374
7101829394
891828405
991727416
1081726427
1181725437
1271725438
1371625448
1461624449
15616244510
16515244510
17515244611
18415244612
19414244612
20414244613
21413244514
22413244514
23413244514
24513244415
25512234415
26512234415
27612234415
28612234416
29612224416
30612224416
31712214416

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
2510calm
2610calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over October. Sunrise moves from 7:20 AM to 6:53 AM, and sunset from 7:34 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:207:34
212.37:187:34
312.37:177:35
412.37:167:35
512.37:157:35
612.47:147:36
712.47:137:36
812.47:127:37
912.47:117:37
1012.57:107:38
1112.57:097:38
1212.57:087:39
1312.57:077:39
1412.67:067:40
1512.67:057:40
1612.67:047:41
1712.67:037:41
1812.77:037:42
1912.77:027:43
2012.77:017:43
2112.77:007:44
2212.86:597:44
2312.86:587:45
2412.86:587:45
2512.86:577:46
2612.86:567:47
2712.96:557:47
2812.96:557:48
2912.96:547:48
3012.96:537:49
3113.06:537:50

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.39 kWh/m².

For context, solar energy here swings from a low near 2.83 kWh/m² to a high of 6.38 kWh/m² in December across the year — October's 5.39 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.8Bright
Planning a trip in October

Is October a good time to visit Santa Terezinha de Itaipu?

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

5.4
Sightseeing
7th-best month of the year
6.4
Beach & pool
6th-best month of the year

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

What to pack for Santa Terezinha de Itaipu in October

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

In October, Santa Terezinha de Itaipu sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Santa Terezinha de Itaipu 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 Santa Terezinha de Itaipu peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 19UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar11Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep6High
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Santa Terezinha de Itaipu 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 Terezinha de Itaipu is worst in September — around 23 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (March, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1622 µg/m³Mar 108 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr9Good
May10Good
Jun10Good
Jul11Good
Aug14Moderate
Sep23Moderate
Oct14Moderate
Nov10Good
Dec8Good
Location & terrain

Where is Santa Terezinha de Itaipu?

Santa Terezinha de Itaipu sits at 25.4°S, 54.4°W, 273 m above sea level, in Brazil. The nearest listed city is São Miguel do Iguaçu, 19 km away.

Topography around Santa Terezinha de Itaipu

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

Within 3 km, the terrain around Santa Terezinha de Itaipu has only modest variations in elevation — a maximum elevation change of 101 m around an average of 270 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 156 m; within 80 km, large variations in elevation — a maximum elevation change of 632 m.

The land around Santa Terezinha de Itaipu is covered by cropland (51%) within 3 km, cropland (55%) and trees (26%) within 16 km, and trees (46%) and cropland (37%) within 80 km.

3 km
101 m
16 km
156 m
80 km
632 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: São Miguel do Iguaçu 19 km · Foz do Iguacu 22 km · Iguazu 25 km · Presidente Franco 25 km · Ciudad del Este 26 km · Medianeira 35 km · Matelândia 48 km · Colonia Wanda 61 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 Terezinha de Itaipu (-25.44°, -54.4016°, elevation 273 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).