Eirunepé weather in October

In October, Eirunepé sees average daytime highs of 31°C and overnight lows near 23°C, with 174 mm of rain across 23.2 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 8% of the time in October, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 12 min by month's end. Set against the rest of the year, October is Eirunepé's 5th-clearest and 8th-windiest month. For the whole year in context, see Eirunepé's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
23°
10th coldest
Rainfall
174 mm
23.2 wet days
Daylight
12 h 06 min
5:20 AM – 5:29 PM
Cloud cover
78%
5th clearest
Wind
5 km/h
8th windiest
Solar energy
5.28 kWh/m²
Travel score
3.0
out of 10

Eirunepé 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 31°C through the month.

A typical October day in Eirunepé reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How October really feels in Eirunepé

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.

Eirunepé weather by month

How October compares with the rest of the year at a glance. October is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°28328.312.32.8
Feb30° / 23°27325.512.22.7
Mar30° / 23°30128.4122.7
Apr30° / 23°24625.811.92.9
May30° / 23°16723.811.73.4
Jun29° / 22°9617.911.64.2
Jul30° / 21°6713.411.74.8
Aug31° / 22°8514.511.84.2
Sep31° / 23°12219.1123.3
Oct31° / 23°17423.212.13.0
Nov31° / 23°22425.412.32.7
Dec30° / 23°26127.912.42.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22773
32773
42674
52674
62575
72575
82575
92575
102476
112476
122476
132476
142278
152278
162278
172179
181981
191981
201882
211783
221684
231684
241486
251486
261486
271387
281387
291387
301288
311288

Chance of precipitation in October

Any precipitation

Eirunepé gets around 174 mm of rain over 23.2 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 75% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
170
271
371
471
572
672
773
873
973
1074
1174
1274
1374
1474
1575
1675
1775
1875
1975
2076
2176
2276
2376
2476
2576
2677
2777
2877
2978
3078
3178

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
124948
224949
324949
424850
524850
614851
714752
814752
914752
1014653
1114653
1214554
1314554
1404555
1504456
1604456
1704456
1804357
1904258
2004159
2104159
2204060
2303961
2403961
2503961
2603961
2703961
2813960
2913960
3013960
3113960

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 h 06 min at the start of October to 12 h 12 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 5:27 AM to 5:16 AM, and sunset from 5:30 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:275:30
212.15:265:30
312.15:265:30
412.15:255:30
512.15:255:30
612.15:245:30
712.15:245:30
812.15:235:29
912.15:235:29
1012.15:225:29
1112.15:225:29
1212.15:225:29
1312.15:215:29
1412.15:215:29
1512.15:205:29
1612.15:205:29
1712.25:205:29
1812.25:195:29
1912.25:195:29
2012.25:195:29
2112.25:185:29
2212.25:185:29
2312.25:185:29
2412.25:185:29
2512.25:175:29
2612.25:175:29
2712.25:175:30
2812.25:175:30
2912.25:165:30
3012.25:165:30
3112.25:165:30

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.28 kWh/m².

For context, solar energy here swings from a low near 4.08 kWh/m² to a high of 5.35 kWh/m² in September across the year — October's 5.28 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in October

Is October a good time to visit Eirunepé?

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

3.0
Sightseeing
6th-best month of the year
4.5
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Eirunepé.

What to pack for Eirunepé in October

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

In October, Eirunepé sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Eirunepé 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 Eirunepé peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 18 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Aug 18UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun10Very high
Jul9Very high
Aug8Very high
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec12Extreme

Air quality in Eirunepé 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 Eirunepé is worst in September — around 26 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (June, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodSep 1225 µg/m³Jun 127 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul10Good
Aug22Moderate
Sep26Moderate
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Eirunepé?

Eirunepé sits at 6.7°S, 69.9°W, 123 m above sea level, in Brazil. The nearest listed city is Feijó, 176 km away.

Benjamin ConstantAtalaia do NorteTabatingaLeticiaSena Madureira

Topography around Eirunepé

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

Within 3 km, the terrain around Eirunepé has only modest variations in elevation — a maximum elevation change of 40 m around an average of 122 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 128 m; within 80 km, only modest variations in elevation — a maximum elevation change of 149 m.

The land around Eirunepé is covered by grassland (46%) and trees (42%) within 3 km, trees (86%) within 16 km, and trees (98%) within 80 km.

3 km
40 m
16 km
128 m
80 km
149 m
treesgrasslandartificial surfaceswater
October weather nearby: Feijó 176 km · Tarauacá 194 km · Ipixuna 206 km · Benjamin Constant 255 km · Atalaia do Norte 257 km · Tabatinga 270 km · Leticia 272 km · Sena Madureira 298 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 Eirunepé (-6.6603°, -69.8736°, elevation 123 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).