Anajás weather in October

In October, Anajás sees average daytime highs of 34°C and overnight lows near 23°C, with 39 mm of rain across 8.2 wet days and about 12 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 30% 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 hours by month's end. Set against the rest of the year, October is Anajás's 4th-clearest and 1st-windiest month. For the whole year in context, see Anajás's year-round climate.

Daytime high
34°
1st warmest
Overnight low
23°
10th coldest
Rainfall
39 mm
8.2 wet days
Daylight
12 hours
6:04 AM – 6:05 PM
Cloud cover
56%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
6.11 kWh/m²
Travel score
3.2
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical October day in Anajás reaches about 34°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 33°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)
13423
23423
33423
43423
53423
63423
73423
83423
93423
103423
113423
123423
133423
143423
153423
163423
173423
183423
193423
203423
213423
223423
233423
243423
253423
263423
273423
283423
293423
303423
313423

How October really feels in Anajás

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.

Anajás weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°25827.912.12.6
Feb30° / 23°33927.1122.5
Mar30° / 23°40630.2122.5
Apr30° / 23°39029.4122.4
May31° / 23°30827.7122.6
Jun32° / 23°16222.111.93.0
Jul32° / 23°11118.111.93.4
Aug33° / 23°6314.2123.3
Sep34° / 23°4610.9123.2
Oct34° / 23°398.2123.2
Nov34° / 23°478.5123.1
Dec33° / 23°12519.412.12.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 31% of October, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27030
36931
46832
56733
66634
76535
86436
96337
106238
116238
126139
136139
146040
156040
165941
175941
185941
195941
205842
215842
225842
235842
245743
255644
265644
275644
285545
295545
305545
315446

Chance of precipitation in October

Any precipitation

Anajás gets around 39 mm of rain over 8.2 wet days in October, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
227
327
427
527
627
727
827
927
1027
1127
1227
1327
1427
1527
1627
1727
1827
1927
2027
2127
2227
2327
2426
2526
2626
2726
2826
2926
3026
3126

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11918
22908
32908
42908
52908
62908
72908
82899
92899
102899
112899
122908
132908
143898
153898
163898
173907
184897
194897
204897
214906
224906
234906
245896
255896
265896
275896
285887
295887
304897
314888

Wind in October

Winds average 10 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 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
319calm

Sunrise & sunset in October

DaylightNight

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

Days grow by about 0 minutes over October. Sunrise moves from 6:08 AM to 6:02 AM, and sunset from 6:09 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:086:09
212.06:086:09
312.06:086:08
412.06:076:08
512.06:076:08
612.06:076:08
712.06:076:07
812.06:066:07
912.06:066:07
1012.06:066:07
1112.06:056:06
1212.06:056:06
1312.06:056:06
1412.06:056:06
1512.06:046:06
1612.06:046:05
1712.06:046:05
1812.06:046:05
1912.06:046:05
2012.06:036:05
2112.06:036:05
2212.06:036:05
2312.06:036:05
2412.06:036:05
2512.06:036:04
2612.06:036:04
2712.06:026:04
2812.06:026:04
2912.06:026:04
3012.06:026:04
3112.06:026:04

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.11 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 6.11 kWh/m² in October across the year — October's 6.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Bright
316.0Bright
Planning a trip in October

Hazard calendar for Anajás

In seasonPeak

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

Anajás'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 Anajás?

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

3.2
Sightseeing
3rd-best month of the year
6.3
Beach & pool
1st-best month of the year

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

What to pack for Anajás in October

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

In October, Anajás sees daytime highs around 34°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Anajás 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 Anajás peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 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 15Aug 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Anajás 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 Anajás is worst in February — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2020 µg/m³Jul 248 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar20Moderate
Apr16Moderate
May10Good
Jun9Good
Jul8Good
Aug8Good
Sep10Good
Oct12Good
Nov11Good
Dec13Moderate
Location & terrain

Where is Anajás?

Anajás sits at 1.0°S, 49.9°W, 6 m above sea level, in Brazil. The nearest listed city is Chaves, 92 km away.

Topography around Anajás

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

Within 3 km, the terrain around Anajás has only modest variations in elevation — a maximum elevation change of 28 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 39 m; within 80 km, only modest variations in elevation — a maximum elevation change of 39 m.

The land around Anajás is covered by trees (90%) within 3 km, trees (99%) within 16 km, and trees (87%) within 80 km.

3 km
28 m
16 km
39 m
80 km
39 m
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Chaves 92 km · São Sebastião da Boa Vista 93 km · Curralinho 93 km · Breves 98 km · Muaná 100 km · Afuá 105 km · Bagre 106 km · Cachoeira do Arari 109 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 Anajás (-0.9867°, -49.94°, 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).