Juiz de Fora weather in January

In January, Juiz de Fora sees average daytime highs of 29°C and overnight lows near 20°C, with 342 mm of rain across 22.5 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 29°C through the month. The sky is clear or mostly clear about 11% 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 Juiz de Fora's 10th-clearest and 7th-windiest month. For the whole year in context, see Juiz de Fora's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
20°
12th coldest
Rainfall
342 mm
22.5 wet days
Daylight
13 h 12 min
6:27 AM – 7:39 PM
Cloud cover
78%
10th clearest
Wind
7 km/h
7th windiest
Solar energy
5.71 kWh/m²
Travel score
3.9
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Juiz de Fora reaches about 29°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 32°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

Juiz de Fora 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
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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32179
42179
52179
62179
72179
82278
92278
102278
112377
122377
132476
142476
152575
162575
172476
182575
192575
202674
212575
222575
232575
242674
252674
262773
272773
282971
292971
303070
313070

Chance of precipitation in January

Any precipitation

Juiz de Fora gets around 342 mm of rain over 22.5 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 72% and peaks near 77% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
177
277
376
476
575
675
774
874
973
1073
1172
1272
1371
1471
1571
1671
1771
1871
1971
2071
2171
2271
2371
2471
2570
2670
2770
2869
2969
3069
3168

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
1127414
2127315
3127315
4127315
5127315
6127315
7127315
8127315
9127315
10127315
11127315
12127315
13127315
14127315
15127315
16127315
17127216
18127216
19127216
20127216
21137017
22137017
23137017
24137017
25137017
26137017
27137017
28137017
29127117
30127117
31127117

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 6:17 AM to 6:37 AM, and sunset from 7:36 PM to 7:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:177:36
213.36:187:36
313.36:197:36
413.36:197:37
513.36:207:37
613.36:207:37
713.36:217:37
813.36:227:38
913.36:227:38
1013.36:237:38
1113.26:247:38
1213.26:247:38
1313.26:257:38
1413.26:267:38
1513.26:267:38
1613.26:277:39
1713.26:287:39
1813.26:287:39
1913.26:297:39
2013.16:307:38
2113.16:307:38
2213.16:317:38
2313.16:327:38
2413.16:327:38
2513.16:337:38
2613.16:347:38
2713.16:347:38
2813.06:357:37
2913.06:357:37
3013.06:367:37
3113.06:377:37

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.71 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 — January's 5.71 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in January

Hazard calendar for Juiz de Fora

In seasonPeak

In January, 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 January a good time to visit Juiz de Fora?

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

3.9
Sightseeing
12th-best month of the year
4.9
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Juiz de Fora.

What to pack for Juiz de Fora in January

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

In January, Juiz de Fora sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Juiz de Fora in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 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 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 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
January 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).