Alfenas weather in December

In December, Alfenas sees average daytime highs of 28°C and overnight lows near 19°C, with 203 mm of rain across 21.2 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 2nd-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 9% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Alfenas's 11th-clearest and 6th-windiest month. For the whole year in context, see Alfenas's year-round climate.

Daytime high
28°
5th warmest
Overnight low
19°
10th coldest
Rainfall
203 mm
21.2 wet days
Daylight
13 h 18 min
6:21 AM – 7:39 PM
Cloud cover
75%
11th clearest
Wind
7 km/h
6th windiest
Solar energy
5.55 kWh/m²
Travel score
4.5
out of 10

Alfenas is human settlement in Brazil.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Alfenas reaches about 28°C in the afternoon and slips back to 19°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, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

Alfenas weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 2nd-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22872
32872
42872
52872
62773
72773
82773
92773
102773
112773
122674
132674
142674
152674
162674
172674
182674
192674
202674
212674
222674
232674
242674
252575
262575
272476
282377
292278
302278
312278

Chance of precipitation in December

Any precipitation

Alfenas gets around 203 mm of rain over 21.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 68% and peaks near 72% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
163
263
364
465
565
666
766
867
967
1067
1168
1268
1368
1468
1568
1668
1768
1868
1969
2069
2169
2270
2370
2470
2571
2671
2772
2872
2972
3072
3172

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 69% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1837550
2835570
3734590
4633610
5632620
6530650
7529660
8528670
9427690
10426700
11425710
12425710
13325720
14325720
15326710
16326710
17326710
18227710
19227710
20227710
21227710
22227710
23226720
24226720
25225730
26125731
27124741
28124741
29123751
30123751
31123751

Wind in December

Winds average 7 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 13 h 12 min at the start of December to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:17 AM to 6:28 AM, and sunset from 7:30 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:177:30
213.26:177:31
313.26:177:31
413.26:187:32
513.26:187:32
613.36:187:33
713.36:187:34
813.36:187:34
913.36:197:35
1013.36:197:35
1113.36:197:36
1213.36:207:37
1313.36:207:37
1413.36:207:38
1513.36:217:38
1613.36:217:39
1713.36:217:39
1813.36:227:40
1913.36:227:40
2013.36:237:41
2113.36:237:41
2213.36:247:42
2313.36:247:42
2413.36:257:43
2513.36:257:43
2613.36:267:44
2713.36:267:44
2813.36:277:45
2913.36:277:45
3013.36:287:45
3113.36:287:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.55 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 — December's 5.55 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Alfenas

In seasonPeak

In December, 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 December a good time to visit Alfenas?

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

4.5
Sightseeing
10th-best month of the year
4.9
Beach & pool
11th-best month of the year

December is a reasonable time to visit Alfenas for sightseeing.

What to pack for Alfenas in December

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

In December, Alfenas sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Alfenas in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 15 (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 December

GoodModeratePoorUnhealthyVery unhealthy

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