Pacajá weather in October

In October, Pacajá sees average daytime highs of 34°C and overnight lows near 24°C, with 70 mm of rain across 11.4 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 8th-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 27% 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 Pacajá's 5th-clearest and 3rd-windiest month. For the whole year in context, see Pacajá's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
70 mm
11.4 wet days
Daylight
12 h 06 min
6:05 AM – 6:10 PM
Cloud cover
58%
5th clearest
Wind
7 km/h
3rd windiest
Solar energy
6.14 kWh/m²
Travel score
3.1
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 Pacajá reaches about 34°C in the afternoon and slips back to 24°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53424
63424
73424
83424
93424
103424
113424
123424
133424
143424
153424
163424
173424
183424
193424
203424
213424
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How October really feels in Pacajá

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.

Pacajá weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°31028.812.22.6
Feb30° / 23°33726.512.12.6
Mar30° / 23°40229.6122.6
Apr31° / 23°30628.411.92.5
May31° / 23°17524.811.83.0
Jun32° / 22°6212.911.84.0
Jul33° / 22°317.111.84.1
Aug34° / 23°224.611.93.6
Sep34° / 24°296.1123.3
Oct34° / 24°7011.412.13.1
Nov33° / 24°1231712.23.0
Dec32° / 23°20023.612.22.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 28% of October, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26535
36535
46337
56337
66238
76238
86139
95941
105941
115842
125842
135644
145644
155644
165545
175545
185446
195347
205347
215248
225149
235050
244852
254852
264852
274654
284654
294555
304456
314357

Chance of precipitation in October

Any precipitation

Pacajá gets around 70 mm of rain over 11.4 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 38% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
128
229
329
430
530
631
731
831
932
1033
1133
1234
1335
1435
1536
1637
1737
1838
1939
2040
2141
2242
2343
2444
2544
2645
2746
2847
2947
3048
3149

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
115841
215841
314851
413861
513861
612871
712871
811872
911872
1010882
1110882
1210882
1310882
1410882
159892
1610882
1710882
1810882
1910882
2010882
2110882
2210882
2311872
2411863
2510873
2610873
2710873
2810864
299874
309874
318875

Wind in October

Winds average 7 km/h in October.

Across October, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:11 AM to 6:02 AM, and sunset from 6:13 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:116:13
212.06:106:12
312.06:106:12
412.06:096:12
512.06:096:12
612.16:086:12
712.16:086:11
812.16:086:11
912.16:076:11
1012.16:076:11
1112.16:076:11
1212.16:066:11
1312.16:066:10
1412.16:066:10
1512.16:056:10
1612.16:056:10
1712.16:056:10
1812.16:046:10
1912.16:046:10
2012.16:046:10
2112.16:046:10
2212.16:036:10
2312.16:036:10
2412.16:036:10
2512.16:036:10
2612.16:036:10
2712.16:036:10
2812.16:026:10
2912.16:026:10
3012.16:026:10
3112.16:026:10

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.14 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.97 kWh/m² to a high of 6.14 kWh/m² in October across the year — October's 6.14 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.0Intense
256.0Intense
266.0Intense
276.0Bright
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in October

Hazard calendar for Pacajá

In seasonPeak

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

Pacajá's monsoon runs December–April, 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 Pacajá?

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

3.1
Sightseeing
5th-best month of the year
5.9
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Pacajá.

What to pack for Pacajá in October

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

In October, Pacajá sees daytime highs around 34°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Pacajá in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pacajá peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 19 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 14UV 15Nov 19UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec10Extreme

Air quality in Pacajá 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 Pacajá is worst in October — around 56 µg/m³ PM2.5 (unhealthy), about 7.1× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorUnhealthyModerateOct 2456 µg/m³Jun 228 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May10Good
Jun8Good
Jul8Good
Aug14Moderate
Sep30Moderate
Oct56Unhealthy
Nov56Unhealthy
Dec20Moderate
Location & terrain

Where is Pacajá?

Pacajá sits at 3.8°S, 50.6°W, 95 m above sea level, in Brazil. The nearest listed city is Anapu, 74 km away.

Topography around Pacajá

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

Within 3 km, the terrain around Pacajá has only modest variations in elevation — a maximum elevation change of 93 m around an average of 89 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 210 m; within 80 km, significant variations in elevation — a maximum elevation change of 419 m.

The land around Pacajá is covered by grassland (54%) and trees (35%) within 3 km, trees (51%) and grassland (48%) within 16 km, and trees (66%) and grassland (34%) within 80 km.

3 km
93 m
16 km
210 m
80 km
419 m
treesgrasslandartificial surfaceswater
October weather nearby: Anapu 74 km · Tucuruí 107 km · Novo Repartimento 108 km · Breu Branco 127 km · Baião 158 km · Goianésia do Pará 171 km · Jacundá 182 km · Vitória do Xingu 186 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 Pacajá (-3.8378°, -50.6375°, elevation 95 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).