Monte Alegre weather in October

In October, Monte Alegre sees average daytime highs of 33°C and overnight lows near 26°C, with 47 mm of rain across 7.3 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-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 36% 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 Monte Alegre's 4th-clearest and 2nd-windiest month. For the whole year in context, see Monte Alegre's year-round climate.

Daytime high
33°
1st warmest
Overnight low
26°
12th coldest
Rainfall
47 mm
7.3 wet days
Daylight
12 hours
6:20 AM – 6:23 PM
Cloud cover
55%
4th clearest
Wind
11 km/h
2nd windiest
Solar energy
6.41 kWh/m²
Travel score
3.5
out of 10

Monte Alegre is 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 Monte Alegre reaches about 33°C in the afternoon and slips back to 26°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 35°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)
13426
23426
33426
43426
53426
63426
73426
83426
93426
103426
113326
123326
133326
143326
153326
163326
173326
183326
193326
203326
213326
223326
233326
243326
253326
263326
273326
283326
293326
303326
313326

How October really feels in Monte Alegre

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.

Monte Alegre weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 25°22824.112.13.0
Feb30° / 24°22523.612.13.0
Mar30° / 24°29727.2122.9
Apr30° / 24°29227.4122.8
May30° / 24°22327.411.92.9
Jun31° / 24°11921.611.93.4
Jul31° / 24°6714.811.94.2
Aug32° / 25°357.611.94.3
Sep33° / 26°326.4123.8
Oct33° / 26°477.3123.5
Nov33° / 26°7910.712.13.3
Dec32° / 25°11615.612.13.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 19% 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 (%)
16436
26436
36337
46238
56139
66040
75941
85842
95743
105644
115545
125545
135446
145347
155347
165347
175347
185347
195347
205347
215347
225347
235347
245248
255248
265248
275149
285149
295050
304951
314852

Chance of precipitation in October

Any precipitation

Monte Alegre gets around 47 mm of rain over 7.3 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 25% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
121
222
322
423
523
623
723
824
924
1024
1125
1225
1325
1425
1525
1625
1725
1824
1924
2024
2124
2224
2324
2424
2525
2625
2726
2827
2928
3029
3130

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
128414
228414
338314
438314
538413
638413
738413
838413
938413
1038413
1138413
1238413
1338413
1438413
1538413
1638314
1738314
1838314
1938314
2038314
2138314
2248115
2348115
2448115
2548016
2648016
2748016
2847917
2947917
3047818
3147818

Wind in October

Winds average 11 km/h in October.

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
1810calm
1910calm
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 6:25 AM to 6:18 AM, and sunset from 6:26 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:256:26
212.06:246:26
312.06:246:25
412.06:246:25
512.06:236:25
612.06:236:25
712.06:236:24
812.06:226:24
912.06:226:24
1012.06:226:24
1112.06:216:24
1212.06:216:23
1312.06:216:23
1412.06:216:23
1512.06:206:23
1612.06:206:23
1712.06:206:23
1812.06:206:22
1912.06:196:22
2012.16:196:22
2112.16:196:22
2212.16:196:22
2312.16:196:22
2412.16:186:22
2512.16:186:22
2612.16:186:22
2712.16:186:22
2812.16:186:22
2912.16:186:22
3012.16:186:22
3112.16:186:22

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.41 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 6.41 kWh/m² in October across the year — October's 6.41 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.2Intense
316.2Intense
Planning a trip in October

Hazard calendar for Monte Alegre

In seasonPeak

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

Monte Alegre's rainy season runs January–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Monte Alegre?

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

3.5
Sightseeing
4th-best month of the year
6.5
Beach & pool
3rd-best month of the year

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

What to pack for Monte Alegre in October

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

In October, Monte Alegre sees daytime highs around 33°C and nights near 26°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Monte Alegre 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 Monte Alegre peaks around March 13 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 13UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Monte Alegre 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 Monte Alegre is worst in November — around 32 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1631 µg/m³Jun 229 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb16Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug11Good
Sep14Moderate
Oct23Moderate
Nov32Moderate
Dec23Moderate
Location & terrain

Where is Monte Alegre?

Monte Alegre sits at 2.0°S, 54.1°W, 57 m above sea level, in Brazil. The nearest listed city is Prainha, 70 km away.

Topography around Monte Alegre

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

Within 3 km, the terrain around Monte Alegre has only modest variations in elevation — a maximum elevation change of 143 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 423 m; within 80 km, large variations in elevation — a maximum elevation change of 744 m.

The land around Monte Alegre is covered by grassland (51%) within 3 km, grassland (32%), trees (31%) and water (27%) within 16 km, and trees (53%) and grassland (25%) within 80 km.

3 km
143 m
16 km
423 m
80 km
744 m
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Prainha 70 km · Alenquer 73 km · Santarém 85 km · Mojuí dos Campos 98 km · Belterra 119 km · Óbidos 160 km · Almeirim 175 km · Uruará 195 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 Monte Alegre (-2.0008°, -54.081°, elevation 57 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).