Manaus weather in October

In October, Manaus sees average daytime highs of 32°C and overnight lows near 24°C, with 159 mm of rain across 21.6 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 13% 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 Manaus's 5th-clearest and 7th-windiest month. For the whole year in context, see Manaus's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
24°
12th coldest
Rainfall
159 mm
21.6 wet days
Daylight
12 h 06 min
5:43 AM – 5:47 PM
Cloud cover
74%
5th clearest
Wind
5 km/h
7th windiest
Solar energy
5.53 kWh/m²
Travel score
2.7
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 Manaus reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°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°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How October really feels in Manaus

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.

Manaus 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° / 24°2962812.22.8
Feb30° / 24°29225.312.12.8
Mar30° / 24°37529.5122.7
Apr30° / 24°36328.811.92.6
May30° / 24°31229.111.92.7
Jun30° / 23°16423.611.83.2
Jul31° / 23°10519.911.83.6
Aug32° / 24°9917.411.93.3
Sep33° / 24°12119.6122.9
Oct32° / 24°15921.612.12.7
Nov32° / 24°19323.612.12.6
Dec31° / 24°28928.212.22.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 73%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33763
43664
53664
63466
73466
83268
93268
103070
113070
122971
132872
142773
152674
162575
172575
182575
192476
202377
212377
222377
232278
242278
252278
262179
272080
281981
291981
301882
311882

Chance of precipitation in October

Any precipitation

Manaus gets around 159 mm of rain over 21.6 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 70% and peaks near 73% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
165
265
366
466
567
667
768
869
969
1070
1171
1272
1372
1473
1573
1673
1773
1872
1972
2072
2171
2271
2371
2471
2570
2670
2770
2870
2970
3071
3171

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
125246
225246
325246
425246
525147
625147
715148
815148
915049
1014950
1114950
1214851
1314752
1414752
1504654
1604555
1704555
1804456
1904456
2004357
2104357
2204258
2304258
2404159
2504159
2604159
2704159
2804060
2904060
3004060
3103961

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:50 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:485:50
212.05:485:50
312.05:475:49
412.05:475:49
512.05:475:49
612.05:465:49
712.05:465:49
812.05:465:48
912.05:455:48
1012.15:455:48
1112.15:455:48
1212.15:445:48
1312.15:445:48
1412.15:445:47
1512.15:435:47
1612.15:435:47
1712.15:435:47
1812.15:435:47
1912.15:425:47
2012.15:425:47
2112.15:425:47
2212.15:425:47
2312.15:415:47
2412.15:415:47
2512.15:415:47
2612.15:415:47
2712.15:415:47
2812.15:415:47
2912.15:415:47
3012.15:405:47
3112.15:405:47

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 3.89 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
245.5Bright
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 Manaus?

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

2.7
Sightseeing
7th-best month of the year
4.5
Beach & pool
4th-best month of the year

October is a weaker month for outdoor sightseeing in Manaus.

What to pack for Manaus in October

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

In October, Manaus sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Manaus 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 Manaus 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 Manaus 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 Manaus 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 Manaus?

Manaus sits at 3.1°S, 60.0°W, 20 m above sea level, in Brazil. The nearest listed city is Careiro da Várzea, 24 km away.

Topography around Manaus

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

Within 3 km, the terrain around Manaus has only modest variations in elevation — a maximum elevation change of 71 m around an average of 45 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, only modest variations in elevation — a maximum elevation change of 180 m.

The land around Manaus is covered by artificial surfaces (78%) within 3 km, trees (42%), water (27%) and artificial surfaces (23%) within 16 km, and trees (79%) within 80 km.

3 km
71 m
16 km
122 m
80 km
180 m
treesgrasslandartificial surfacesbare terrainwaterwetland
October weather nearby: Careiro da Várzea 24 km · Iranduba 27 km · Rio Preto da Eva 57 km · Manaquiri 60 km · Manacapuru 70 km · Careiro 83 km · Autazes 113 km · Novo Airão 115 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 Manaus (-3.1019°, -60.025°, elevation 20 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).