São Miguel do Guamá weather in October

In October, São Miguel do Guamá sees average daytime highs of 34°C and overnight lows near 24°C, with 24 mm of rain across 6 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 34°C through the month. The sky is clear or mostly clear about 28% 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 São Miguel do Guamá's 4th-clearest and 1st-windiest month. For the whole year in context, see São Miguel do Guamá's year-round climate.

Daytime high
34°
1st warmest
Overnight low
24°
10th coldest
Rainfall
24 mm
6 wet days
Daylight
12 hours
5:54 AM – 5:56 PM
Cloud cover
54%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
6.1 kWh/m²
Travel score
3.3
out of 10

São Miguel do Guamá 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 34°C through the month.

A typical October day in São Miguel do Guamá 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 on par with November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13423
23423
33423
43423
53423
63423
73423
83424
93424
103424
113424
123424
133424
143424
153424
163424
173424
183424
193424
203424
213424
223424
233424
243424
253424
263424
273424
283424
293424
303424
313424

How October really feels in São Miguel do Guamá

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.

São Miguel do Guamá 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
Jan32° / 23°19825.212.12.6
Feb31° / 23°27625.912.12.5
Mar31° / 23°35230.1122.5
Apr31° / 23°34828.9122.5
May31° / 23°21525.511.92.8
Jun31° / 23°9518.511.93.5
Jul32° / 22°6613.311.94.0
Aug33° / 23°287.611.94.0
Sep34° / 23°215.6123.6
Oct34° / 24°246123.3
Nov34° / 24°417.312.13.2
Dec33° / 24°891512.13.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 36% of October, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27525
37426
47327
57327
67129
77030
86931
96832
106733
116634
126535
136535
146535
156337
166337
176337
186337
196337
206337
216139
226139
236139
246139
256040
266040
276040
285941
295842
305743
315644

Chance of precipitation in October

Any precipitation

São Miguel do Guamá gets around 24 mm of rain over 6 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 19% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
117
217
317
418
518
618
718
819
919
1019
1120
1220
1320
1420
1519
1619
1719
1819
1919
2020
2120
2220
2320
2420
2520
2620
2721
2821
2921
3022
3122

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10892
11892
12991
13991
14991
15991
16991
17991
181090
191090
201090
211189
221189
231189
241189
251189
261189
271189
281189
291090
301090
311090

Wind in October

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

Across October, daily wind ranges from about 11 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
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:58 AM to 5:52 AM, and sunset from 5:59 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:585:59
212.05:585:59
312.05:585:59
412.05:575:59
512.05:575:58
612.05:575:58
712.05:565:58
812.05:565:58
912.05:565:57
1012.05:555:57
1112.05:555:57
1212.05:555:57
1312.05:555:57
1412.05:545:56
1512.05:545:56
1612.05:545:56
1712.05:545:56
1812.05:535:56
1912.05:535:56
2012.05:535:56
2112.05:535:55
2212.05:535:55
2312.05:535:55
2412.05:525:55
2512.05:525:55
2612.15:525:55
2712.15:525:55
2812.15:525:55
2912.15:525:55
3012.15:525:55
3112.15:525:55

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.1 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.09 kWh/m² to a high of 6.1 kWh/m² in October across the year — October's 6.1 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
256.1Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in October

Hazard calendar for São Miguel do Guamá

In seasonPeak

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

São Miguel do Guamá'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 São Miguel do Guamá?

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

3.3
Sightseeing
5th-best month of the year
6.6
Beach & pool
3rd-best month of the year

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

What to pack for São Miguel do Guamá in October

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

In October, São Miguel do Guamá sees daytime highs around 34°C and nights near 24°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in São Miguel do Guamá 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 São Miguel do Guamá peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in São Miguel do Guamá 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 São Miguel do Guamá is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 2020 µg/m³Jul 128 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar20Moderate
Apr15Moderate
May10Good
Jun8Good
Jul8Good
Aug9Good
Sep11Good
Oct13Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is São Miguel do Guamá?

São Miguel do Guamá sits at 1.6°S, 47.5°W, 9 m above sea level, in Brazil. The nearest listed city is Irituia, 17 km away.

Topography around São Miguel do Guamá

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Miguel do Guamá.

Within 3 km, the terrain around São Miguel do Guamá has only modest variations in elevation — a maximum elevation change of 43 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 66 m; within 80 km, only modest variations in elevation — a maximum elevation change of 153 m.

The land around São Miguel do Guamá is covered by trees (52%) within 3 km, trees (70%) and grassland (27%) within 16 km, and trees (61%) and grassland (37%) within 80 km.

3 km
43 m
16 km
66 m
80 km
153 m
treesgrasslandartificial surfacesbare terrainwaterwetland
October weather nearby: Irituia 17 km · Santa Maria do Pará 32 km · São Domingos do Capim 32 km · Ourém 42 km · Mãe do Rio 47 km · Capitão Poço 49 km · Aurora do Pará 57 km · Igarapé-Açu 57 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 São Miguel do Guamá (-1.6267°, -47.4833°, elevation 9 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).