Almeirim weather in October

In October, Almeirim sees average daytime highs of 33°C and overnight lows near 25°C, with 30 mm of rain across 6.3 wet days and about 12 hours of daylight. It is the 1st-warmest and 11th-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 41% 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 Almeirim's 4th-clearest and 1st-windiest month. For the whole year in context, see Almeirim's year-round climate.

Daytime high
33°
1st warmest
Overnight low
25°
11th coldest
Rainfall
30 mm
6.3 wet days
Daylight
12 hours
6:14 AM – 6:16 PM
Cloud cover
52%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
6.25 kWh/m²
Travel score
3.8
out of 10

Almeirim is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Almeirim reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 34°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)
13325
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283325
293325
303325
313325

How October really feels in Almeirim

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.

Almeirim weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°18924.412.13.1
Feb30° / 24°22524.4123.0
Mar30° / 24°27828.1122.9
Apr30° / 24°31528.5122.8
May30° / 24°24727.811.92.9
Jun30° / 24°13622.711.93.4
Jul31° / 24°8517.511.94.0
Aug32° / 25°469.8124.3
Sep33° / 25°265.4124.2
Oct33° / 25°306.3123.8
Nov33° / 25°467.912.13.7
Dec32° / 25°9815.112.13.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 21% of October, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27129
37030
46931
56832
66832
76634
86634
96535
106337
116238
126238
136139
146139
156040
166040
176040
186040
196040
206040
215941
225941
235941
245842
255842
265743
275644
285644
295644
305545
315446

Chance of precipitation in October

Any precipitation

Almeirim gets around 30 mm of rain over 6.3 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 20% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
317
417
518
618
719
819
920
1020
1120
1221
1321
1421
1521
1621
1721
1821
1921
2021
2121
2221
2321
2421
2521
2621
2721
2821
2922
3022
3123

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
108020
208020
308020
408020
508020
617920
717920
818019
918019
1018019
1118019
1218118
1318118
1418118
1518217
1618217
1718316
1818316
1918316
2018415
2118415
2218316
2318316
2418316
2518316
2618217
2728117
2828018
2928018
3027919
3127919

Wind in October

Winds average 11 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:19 AM to 6:12 AM, and sunset from 6:20 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:196:20
212.06:196:19
312.06:186:19
412.06:186:19
512.06:186:19
612.06:176:18
712.06:176:18
812.06:176:18
912.06:166:18
1012.06:166:17
1112.06:166:17
1212.06:156:17
1312.06:156:17
1412.06:156:17
1512.06:156:17
1612.06:146:16
1712.06:146:16
1812.06:146:16
1912.06:146:16
2012.06:146:16
2112.06:136:16
2212.06:136:16
2312.06:136:16
2412.06:136:16
2512.06:136:15
2612.06:136:15
2712.06:136:15
2812.06:126:15
2912.16:126:15
3012.16:126:15
3112.16:126:15

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.25 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 6.25 kWh/m² in October across the year — October's 6.25 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
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in October

Hazard calendar for Almeirim

In seasonPeak

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

Almeirim's monsoon runs January–May, 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 Almeirim?

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

3.8
Sightseeing
4th-best month of the year
6.8
Beach & pool
2nd-best month of the year

October is a weaker month for outdoor sightseeing in Almeirim. The water and warmth also suit a beach or pool day.

What to pack for Almeirim in October

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

In October, Almeirim sees daytime highs around 33°C and nights near 25°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Almeirim 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 Almeirim peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Almeirim 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 Almeirim is worst in November — around 23 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (July, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1722 µg/m³Jul 109 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar17Moderate
Apr15Moderate
May10Good
Jun9Good
Jul9Good
Aug11Good
Sep11Good
Oct16Moderate
Nov23Moderate
Dec18Moderate
Location & terrain

Where is Almeirim?

Almeirim sits at 1.5°S, 52.6°W, 6 m above sea level, in Brazil. The nearest listed city is Porto de Moz, 46 km away.

Topography around Almeirim

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

Within 3 km, the terrain around Almeirim has only modest variations in elevation — a maximum elevation change of 176 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, significant variations in elevation — a maximum elevation change of 418 m.

The land around Almeirim is covered by trees (44%), water (26%) and grassland (20%) within 3 km, trees (43%), water (25%) and wetland (21%) within 16 km, and trees (69%) within 80 km.

3 km
176 m
16 km
211 m
80 km
418 m
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Porto de Moz 46 km · Laranjal do Jari 78 km · Prainha 104 km · Gurupá 106 km · Senador José Porfírio 138 km · Vitória do Xingu 164 km · Monte Alegre 175 km · Altamira 191 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 Almeirim (-1.5233°, -52.5817°, elevation 6 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).