Alfenas weather in October

In October, Alfenas sees average daytime highs of 28°C and overnight lows near 18°C, with 95 mm of rain across 12.5 wet days and about 12.5 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 24% of the time in October, and the air most often feels humid.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 48 min by month's end. Set against the rest of the year, October is Alfenas's 7th-clearest and 2nd-windiest month. For the whole year in context, see Alfenas's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
18°
7th coldest
Rainfall
95 mm
12.5 wet days
Daylight
12 h 30 min
6:34 AM – 7:04 PM
Cloud cover
64%
7th clearest
Wind
8 km/h
2nd windiest
Solar energy
5.66 kWh/m²
Travel score
5.5
out of 10

Alfenas 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 28°C through the month.

A typical October day in Alfenas reaches about 28°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, October runs on par with September and on par with November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62817
72817
82817
92817
102817
112818
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292818
302818
312818

Alfenas weather by month

How October compares with the rest of the year at a glance. October is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°24521.913.24.2
Feb29° / 20°15016.512.74.5
Mar28° / 19°14116.712.25.1
Apr27° / 17°537.811.56.8
May25° / 14°394.8117.8
Jun24° / 13°162.910.78.4
Jul24° / 12°152.410.88.6
Aug26° / 13°183.111.38.2
Sep28° / 16°647.311.96.9
Oct28° / 18°9512.512.55.5
Nov28° / 19°17217.8135.0
Dec28° / 19°20321.213.34.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34654
44654
54555
64555
74555
84456
94456
104456
114456
124357
134357
144258
154159
164159
174060
183961
193961
203862
213763
223763
233664
243466
253466
263268
273268
283268
293070
303169
313169

Chance of precipitation in October

Any precipitation

Alfenas gets around 95 mm of rain over 12.5 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 41% and peaks near 52% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
136
236
336
435
535
635
735
835
935
1035
1136
1236
1337
1437
1538
1638
1739
1840
1941
2042
2143
2244
2345
2446
2546
2647
2748
2849
2950
3051
3152

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the humid band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12230409
22129409
320294110
420294110
519294111
618294112
718294112
817294113
917294113
1017294114
1116284114
1215284115
1315284215
1414284216
1513284216
1612284317
1711284318
1810274419
199274419
209264520
218254521
228254622
237244623
247244623
257234524
267224525
277224526
287214527
297214428
307204429
317194430

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over October. Sunrise moves from 6:47 AM to 6:24 AM, and sunset from 6:59 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:476:59
212.26:466:59
312.26:456:59
412.36:447:00
512.36:437:00
612.36:427:00
712.36:417:01
812.36:407:01
912.46:407:01
1012.46:397:02
1112.46:387:02
1212.46:377:02
1312.46:367:03
1412.56:357:03
1512.56:357:03
1612.56:347:04
1712.56:337:04
1812.56:327:05
1912.66:317:05
2012.66:317:06
2112.66:307:06
2212.66:297:06
2312.66:297:07
2412.76:287:07
2512.76:277:08
2612.76:277:08
2712.76:267:09
2812.76:257:09
2912.76:257:10
3012.86:247:10
3112.86:247:11

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.66 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 5.7 kWh/m² in February across the year — October's 5.66 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in October

Hazard calendar for Alfenas

In seasonPeak

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

Alfenas's monsoon runs November–March, 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 Alfenas?

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

5.5
Sightseeing
7th-best month of the year
6.4
Beach & pool
7th-best month of the year

October is a reasonable time to visit Alfenas for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Alfenas in October

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

In October, Alfenas sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Alfenas 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 Alfenas peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 15Jun 23UV 6
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov14Extreme
Dec15Extreme

Air quality in Alfenas 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 Alfenas is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1517 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May10Good
Jun10Good
Jul10Good
Aug12Moderate
Sep17Moderate
Oct12Good
Nov8Good
Dec8Good
Location & terrain

Where is Alfenas?

Alfenas sits at 21.4°S, 45.9°W, 887 m above sea level, in Brazil. The nearest listed city is Paraguaçu, 25 km away.

Topography around Alfenas

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

Within 3 km, the terrain around Alfenas has only modest variations in elevation — a maximum elevation change of 144 m around an average of 843 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 219 m; within 80 km, large variations in elevation — a maximum elevation change of 1,079 m.

The land around Alfenas is covered by artificial surfaces (39%) and cropland (23%) within 3 km, cropland (35%), trees (28%) and grassland (25%) within 16 km, and trees (40%) and grassland (39%) within 80 km.

3 km
144 m
16 km
219 m
80 km
1,079 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Paraguaçu 25 km · Machado 27 km · Campos Gerais 29 km · Poço Fundo 39 km · Campestre 44 km · Elói Mendes 44 km · Três Pontas 46 km · Carmo do Rio Claro 54 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 Alfenas (-21.4292°, -45.9472°, elevation 887 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).