Alfenas weather in January

In January, Alfenas sees average daytime highs of 28°C and overnight lows near 20°C, with 245 mm of rain across 21.9 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 1st-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 12% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of January to 13 hours by month's end. Set against the rest of the year, January is Alfenas's 12th-clearest and 7th-windiest month. For the whole year in context, see Alfenas's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
20°
12th coldest
Rainfall
245 mm
21.9 wet days
Daylight
13 h 12 min
6:38 AM – 7:48 PM
Cloud cover
77%
12th clearest
Wind
7 km/h
7th windiest
Solar energy
5.48 kWh/m²
Travel score
4.2
out of 10

Alfenas is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Alfenas reaches about 28°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312920

Alfenas weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32278
42278
52278
62377
72278
82278
92476
102476
112575
122575
132674
142773
152773
162773
172773
182773
192773
202773
212773
222773
232872
242872
252872
262872
273070
283169
293169
303169
313268

Chance of precipitation in January

Any precipitation

Alfenas gets around 245 mm of rain over 21.9 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 70% and peaks near 72% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
172
272
372
472
572
671
771
871
970
1070
1170
1269
1369
1469
1569
1669
1769
1870
1970
2070
2170
2270
2369
2469
2569
2668
2768
2867
2967
3066
3165

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1123751
2123742
3123742
4123742
5123742
6124732
7124723
8124723
9124723
10125713
11125713
12125713
13124723
14124723
15123733
16223723
17222733
18221743
19221743
20220753
21220753
22219772
23219772
24218782
25218782
26218782
27218782
28218782
29218782
30219772
31219772

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 18 min at the start of January to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:28 AM to 6:48 AM, and sunset from 7:45 PM to 7:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:287:45
213.36:297:46
313.36:307:46
413.36:307:46
513.36:317:47
613.36:317:47
713.36:327:47
813.26:337:47
913.26:337:48
1013.26:347:48
1113.26:357:48
1213.26:357:48
1313.26:367:48
1413.26:377:48
1513.26:377:48
1613.26:387:48
1713.26:397:48
1813.26:397:48
1913.16:407:48
2013.16:417:48
2113.16:417:48
2213.16:427:48
2313.16:427:48
2413.16:437:48
2513.16:447:48
2613.16:447:48
2713.06:457:48
2813.06:467:47
2913.06:467:47
3013.06:477:47
3113.06:487:47

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.48 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 — January's 5.48 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Alfenas

In seasonPeak

In January, Alfenas sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

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 January a good time to visit Alfenas?

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

4.2
Sightseeing
12th-best month of the year
4.9
Beach & pool
12th-best month of the year

January is a reasonable time to visit Alfenas for sightseeing.

What to pack for Alfenas in January

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

In January, Alfenas sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Alfenas in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 16 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).