Juiz de Fora weather in December

In December, Juiz de Fora sees average daytime highs of 28°C and overnight lows near 20°C, with 340 mm of rain across 23.7 wet days and about 13.3 hours of daylight. It is the 4th-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 8% 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 Juiz de Fora's 11th-clearest and 5th-windiest month. For the whole year in context, see Juiz de Fora's year-round climate.

Daytime high
28°
4th warmest
Overnight low
20°
10th coldest
Rainfall
340 mm
23.7 wet days
Daylight
13 h 18 min
6:10 AM – 7:29 PM
Cloud cover
78%
11th clearest
Wind
7 km/h
5th windiest
Solar energy
5.45 kWh/m²
Travel score
4.0
out of 10

Juiz de Fora 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 Juiz de Fora 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, December runs about 1°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52819
62819
72819
82819
92819
102819
112819
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292920
302920
312920

Juiz de Fora weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°34222.513.23.9
Feb29° / 20°25217.912.74.1
Mar28° / 19°24221.412.24.3
Apr27° / 18°10012.911.56.0
May24° / 15°558.4117.1
Jun24° / 14°244.510.77.9
Jul24° / 13°234.710.88.0
Aug25° / 14°305.411.37.8
Sep26° / 16°789.611.96.7
Oct27° / 17°14515.312.55.6
Nov27° / 18°28121134.6
Dec28° / 20°34023.713.34.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41684
51684
61684
71684
81684
91783
101783
111882
121981
131981
142179
152179
162278
172377
182377
192575
202575
212674
222674
232674
242674
252575
262476
272377
282377
292179
302179
312179

Chance of precipitation in December

Any precipitation

Juiz de Fora gets around 340 mm of rain over 23.7 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 76% and peaks near 79% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
173
274
374
474
575
675
775
875
975
1075
1175
1275
1375
1476
1576
1676
1776
1876
1977
2077
2177
2277
2378
2478
2578
2679
2779
2879
2979
3078
3178

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 80% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1629596
2528616
3527617
4525637
5524638
6423658
7422668
8422668
9321688
10320689
11319699
12318709
13218719
14217729
15217729
16216739
171157410
181157410
191147510
201147510
211137511
221137511
231127611
241127512
251117612
261117513
271117513
281117414
290117514
300117514
310117514

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 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
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 6:06 AM to 6:17 AM, and sunset from 7:20 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:067:20
213.26:067:21
313.36:067:21
413.36:077:22
513.36:077:23
613.36:077:23
713.36:077:24
813.36:077:25
913.36:087:25
1013.36:087:26
1113.36:087:26
1213.36:097:27
1313.36:097:28
1413.36:097:28
1513.36:107:29
1613.36:107:29
1713.36:107:30
1813.36:117:30
1913.36:117:31
2013.36:127:31
2113.36:127:32
2213.36:127:32
2313.36:137:33
2413.36:137:33
2513.36:147:34
2613.36:147:34
2713.36:157:34
2813.36:167:35
2913.36:167:35
3013.36:177:36
3113.36:177:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.45 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 5.9 kWh/m² in February across the year — December's 5.45 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in December

Hazard calendar for Juiz de Fora

In seasonPeak

In December, Juiz de Fora sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Juiz de Fora'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 Juiz de Fora?

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

4.0
Sightseeing
11th-best month of the year
4.6
Beach & pool
12th-best month of the year

December is a reasonable time to visit Juiz de Fora for sightseeing.

What to pack for Juiz de Fora in December

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

In December, Juiz de Fora sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Juiz de Fora in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Juiz de Fora peaks around February 10 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 highExtremeFeb 10UV 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Juiz de Fora 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 Juiz de Fora is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1521 µg/m³Jan 1111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul14Moderate
Aug16Moderate
Sep22Moderate
Oct14Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Juiz de Fora?

Juiz de Fora sits at 21.8°S, 43.4°W, 707 m above sea level, in Brazil. The nearest listed city is Santos Dumont, 40 km away.

Topography around Juiz de Fora

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

Within 3 km, the terrain around Juiz de Fora has significant variations in elevation — a maximum elevation change of 278 m around an average of 764 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 617 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,836 m.

The land around Juiz de Fora is covered by artificial surfaces (63%) and trees (26%) within 3 km, grassland (53%) and trees (38%) within 16 km, and grassland (58%) and trees (41%) within 80 km.

3 km
278 m
16 km
617 m
80 km
1,836 m
treesgrasslandartificial surfaceswater
December weather nearby: Santos Dumont 40 km · Três Rios 42 km · São João Nepomuceno 43 km · Paraíba do Sul 44 km · Lima Duarte 47 km · Sapucaia 52 km · Rio Pomba 57 km · São José do Vale do Rio Preto 62 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 Juiz de Fora (-21.7642°, -43.3503°, elevation 707 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).