Careiro da Várzea weather in October

In October, Careiro da Várzea sees average daytime highs of 32°C and overnight lows near 26°C, with 131 mm of rain across 19.1 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 15% of the time in October, and the air most often feels miserable.

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 Careiro da Várzea's 5th-clearest and 3rd-windiest month. For the whole year in context, see Careiro da Várzea's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
26°
12th coldest
Rainfall
131 mm
19.1 wet days
Daylight
12 h 06 min
5:42 AM – 5:46 PM
Cloud cover
72%
5th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.53 kWh/m²
Travel score
3.0
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical October day in Careiro da Várzea reaches about 32°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13326
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123226
133226
143226
153226
163226
173226
183226
193226
203226
213226
223226
233226
243226
253226
263226
273226
283225
293225
303225
313225

How October really feels in Careiro da Várzea

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.

Careiro da Várzea weather by month

How October compares with the rest of the year at a glance. October is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°27527.512.22.9
Feb30° / 25°28225.512.12.9
Mar30° / 25°35729.3122.7
Apr30° / 25°34528.211.92.7
May30° / 25°28628.211.92.8
Jun30° / 25°15922.311.83.3
Jul31° / 25°9718.311.83.8
Aug32° / 25°8215.311.93.6
Sep32° / 25°10217123.2
Oct32° / 26°13119.112.13.0
Nov32° / 25°16722.212.12.8
Dec30° / 25°26027.212.22.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
43862
53862
63763
73763
83664
93466
103466
113367
123268
133268
143169
153070
163070
172971
182971
192872
202872
212872
222872
232773
242674
252575
262575
272377
282377
292377
302278
312278

Chance of precipitation in October

Any precipitation

Careiro da Várzea gets around 131 mm of rain over 19.1 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 62% and peaks near 66% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
155
256
356
457
558
658
759
859
960
1061
1162
1263
1363
1464
1565
1665
1765
1865
1964
2064
2164
2264
2364
2464
2564
2664
2764
2865
2965
3065
3166

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the miserable band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12971
22971
32971
42872
52872
62773
72773
82773
92674
102674
112674
122575
132575
142476
152476
162476
172476
182377
192377
202377
212377
222278
232278
242278
252278
262278
272179
282179
292179
302179
312179

Wind in October

Winds average 6 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:47 AM to 5:40 AM, and sunset from 5:49 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:475:49
212.05:475:49
312.05:475:49
412.05:465:48
512.05:465:48
612.05:455:48
712.05:455:48
812.05:455:48
912.15:445:47
1012.15:445:47
1112.15:445:47
1212.15:435:47
1312.15:435:47
1412.15:435:47
1512.15:425:47
1612.15:425:46
1712.15:425:46
1812.15:425:46
1912.15:415:46
2012.15:415:46
2112.15:415:46
2212.15:415:46
2312.15:415:46
2412.15:405:46
2512.15:405:46
2612.15:405:46
2712.15:405:46
2812.15:405:46
2912.15:405:46
3012.15:405:46
3112.15:405:46

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.53 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 5.53 kWh/m² in October across the year — October's 5.53 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.3Bright
315.3Bright
Planning a trip in October

Is October a good time to visit Careiro da Várzea?

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

3.0
Sightseeing
5th-best month of the year
4.9
Beach & pool
4th-best month of the year

October is a weaker month for outdoor sightseeing in Careiro da Várzea.

What to pack for Careiro da Várzea in October

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

In October, Careiro da Várzea sees daytime highs around 32°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Careiro da Várzea 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 Careiro da Várzea peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highExtremeMar 13UV 15Nov 12UV 9
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep11Extreme
Oct10Very high
Nov9Very high
Dec12Extreme

Air quality in Careiro da Várzea 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 Careiro da Várzea is worst in October — around 29 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (June, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1129 µg/m³Jun 1412 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar16Moderate
Apr15Moderate
May12Good
Jun12Good
Jul12Moderate
Aug20Moderate
Sep28Moderate
Oct29Moderate
Nov24Moderate
Dec18Moderate
Location & terrain

Where is Careiro da Várzea?

Careiro da Várzea sits at 3.2°S, 59.8°W, 17 m above sea level, in Brazil. The nearest listed city is Manaus, 24 km away.

Topography around Careiro da Várzea

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

Within 3 km, the terrain around Careiro da Várzea has only modest variations in elevation — a maximum elevation change of 33 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, only modest variations in elevation — a maximum elevation change of 162 m.

The land around Careiro da Várzea is covered by grassland (48%) and water (21%) within 3 km, trees (39%), water (31%) and grassland (24%) within 16 km, and trees (78%) within 80 km.

3 km
33 m
16 km
100 m
80 km
162 m
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Manaus 24 km · Iranduba 41 km · Rio Preto da Eva 57 km · Manaquiri 75 km · Careiro 88 km · Autazes 88 km · Manacapuru 89 km · Nova Olinda do Norte 112 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 Careiro da Várzea (-3.197°, -59.8267°, elevation 17 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).