Guarantã do Norte weather in October

In October, Guarantã do Norte sees average daytime highs of 32°C and overnight lows near 23°C, with 135 mm of rain across 19.4 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 16% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 24 min by month's end. Set against the rest of the year, October is Guarantã do Norte's 6th-clearest and 6th-windiest month. For the whole year in context, see Guarantã do Norte's year-round climate.

Daytime high
32°
4th warmest
Overnight low
23°
12th coldest
Rainfall
135 mm
19.4 wet days
Daylight
12 h 12 min
6:18 AM – 6:31 PM
Cloud cover
70%
6th clearest
Wind
5 km/h
6th windiest
Solar energy
5.83 kWh/m²
Travel score
3.0
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical October day in Guarantã do Norte reaches about 32°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, October runs about 2°C cooler than September and about 2°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13323
23323
33323
43323
53323
63323
73323
83323
93323
103323
113323
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283222
293122
303122
313122

How October really feels in Guarantã do Norte

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.

Guarantã do Norte weather by month

How October compares with the rest of the year at a glance. October is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°27728.412.52.9
Feb30° / 22°2542612.32.8
Mar30° / 22°23027.212.12.9
Apr30° / 22°14021.211.83.4
May31° / 22°418.511.64.6
Jun32° / 21°51.111.45.0
Jul33° / 20°20.311.54.6
Aug34° / 21°91.611.73.6
Sep34° / 23°488.111.93.2
Oct32° / 23°13519.412.23.0
Nov31° / 22°20924.512.52.9
Dec30° / 22°25827.312.62.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34654
44654
54555
64357
74357
84258
94159
104159
114060
123961
133961
143862
153763
163763
173565
183466
193367
203268
213169
223070
232971
242674
252575
262575
272377
282278
292278
302179
312179

Chance of precipitation in October

Any precipitation

Guarantã do Norte gets around 135 mm of rain over 19.4 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 62% and peaks near 77% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
149
250
351
451
552
652
753
853
954
1054
1155
1255
1356
1457
1558
1660
1761
1863
1964
2066
2167
2269
2370
2472
2573
2674
2775
2876
2976
3076
3177

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1152668
2152569
3142570
4042472
5042373
6032275
7032275
8032176
9032077
10032077
11031978
12031978
13031879
14031780
15031681
16021583
17021484
18021385
19021286
20021088
2101990
2201891
2301792
2401693
2500595
2600496
2700397
2800298
2900298
3000298
3100199

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 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over October. Sunrise moves from 6:26 AM to 6:13 AM, and sunset from 6:31 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:266:31
212.16:256:31
312.16:256:31
412.16:246:31
512.16:246:31
612.16:236:31
712.16:236:31
812.26:226:31
912.26:216:31
1012.26:216:31
1112.26:206:31
1212.26:206:31
1312.26:196:31
1412.26:196:31
1512.26:186:31
1612.26:186:31
1712.26:176:31
1812.26:176:32
1912.36:176:32
2012.36:166:32
2112.36:166:32
2212.36:156:32
2312.36:156:32
2412.36:156:32
2512.36:146:32
2612.36:146:33
2712.36:146:33
2812.36:136:33
2912.36:136:33
3012.36:136:33
3112.46:136:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.83 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.84 kWh/m² to a high of 5.83 kWh/m² in October across the year — October's 5.83 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in October

Hazard calendar for Guarantã do Norte

In seasonPeak

In October, Guarantã do Norte sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Guarantã do Norte's monsoon runs October–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 Guarantã do Norte?

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

3.0
Sightseeing
7th-best month of the year
5.0
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Guarantã do Norte.

What to pack for Guarantã do Norte in October

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

In October, Guarantã do Norte sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Guarantã do Norte 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 Guarantã do Norte peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 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 19UV 15Sep 14UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec12Extreme

Air quality in Guarantã do Norte 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 Guarantã do Norte is worst in September — around 98 µg/m³ PM2.5 (unhealthy), about 13.6× the cleanest month (July, 7 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateSep 1590 µg/m³Jul 97 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr9Good
May8Good
Jun8Good
Jul7Good
Aug41Poor
Sep98Unhealthy
Oct28Moderate
Nov15Moderate
Dec11Good
Location & terrain

Where is Guarantã do Norte?

Guarantã do Norte sits at 10.0°S, 54.9°W, 334 m above sea level, in Brazil. The nearest listed city is Matupá, 24 km away.

SorrisoNovo ProgressoJuaraTapurah

Topography around Guarantã do Norte

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

Within 3 km, the terrain around Guarantã do Norte has only modest variations in elevation — a maximum elevation change of 47 m around an average of 283 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 242 m; within 80 km, significant variations in elevation — a maximum elevation change of 406 m.

The land around Guarantã do Norte is covered by grassland (51%), trees (24%) and artificial surfaces (23%) within 3 km, trees (44%) and grassland (43%) within 16 km, and trees (57%) and grassland (33%) within 80 km.

3 km
47 m
16 km
242 m
80 km
406 m
treesgrasslandcroplandartificial surfacesbare terrain
October weather nearby: Matupá 24 km · Peixoto de Azevedo 31 km · Colíder 113 km · Sinop 222 km · Sorriso 302 km · Novo Progresso 316 km · Juara 320 km · Tapurah 356 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 Guarantã do Norte (-9.9505°, -54.9082°, elevation 334 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).