Passa Quatro weather in January

In January, Passa Quatro sees average daytime highs of 27°C and overnight lows near 18°C, with 273 mm of rain across 23.9 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 27°C through the month. The sky is clear or mostly clear about 10% 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 Passa Quatro's 12th-clearest and 9th-windiest month. For the whole year in context, see Passa Quatro's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
18°
12th coldest
Rainfall
273 mm
23.9 wet days
Daylight
13 h 12 min
6:32 AM – 7:46 PM
Cloud cover
78%
12th clearest
Wind
5 km/h
9th windiest
Solar energy
5.32 kWh/m²
Travel score
4.3
out of 10

Passa Quatro 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 27°C through the month.

A typical January day in Passa Quatro reaches about 27°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°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)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102718
112718
122718
132718
142718
152718
162718
172718
182718
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718
312718

Passa Quatro 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
Jan27° / 18°27323.913.24.3
Feb27° / 18°19119.512.84.7
Mar26° / 17°18520.312.25.0
Apr25° / 16°6810.811.56.6
May23° / 13°487.310.97.2
Jun22° / 12°29510.77.7
Jul22° / 11°305.110.87.8
Aug24° / 12°32511.28.0
Sep25° / 14°7910.611.96.8
Oct26° / 16°12915.512.55.8
Nov26° / 17°18819.313.15.1
Dec27° / 18°24222.713.34.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% 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 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32278
42278
52278
62278
72278
82278
92377
102377
112377
122377
132476
142575
152575
162575
172575
182575
192476
202476
212476
222476
232575
242575
252674
262773
272773
282773
292971
302971
312971

Chance of precipitation in January

Any precipitation

Passa Quatro gets around 273 mm of rain over 23.9 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 76% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
177
277
377
477
577
677
777
877
976
1076
1176
1276
1376
1476
1576
1676
1776
1877
1977
2077
2177
2277
2377
2476
2576
2676
2775
2875
2975
3074
3173

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
145046
245046
344947
444947
544848
644849
734749
834750
934750
1034750
1134750
1234750
1334750
1434750
1534749
1634750
1734750
1834750
1934651
2034552
2134552
2244452
2344452
2444353
2544353
2644353
2754352
2854352
2954352
3054352
3154352

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:23 AM to 6:42 AM, and sunset from 7:43 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:237:43
213.36:237:44
313.36:247:44
413.36:247:44
513.36:257:45
613.36:267:45
713.36:267:45
813.36:277:45
913.36:287:45
1013.36:287:46
1113.36:297:46
1213.36:297:46
1313.36:307:46
1413.36:317:46
1513.26:327:46
1613.26:327:46
1713.26:337:46
1813.26:347:46
1913.26:347:46
2013.26:357:46
2113.26:367:46
2213.26:367:46
2313.16:377:46
2413.16:387:46
2513.16:387:46
2613.16:397:45
2713.16:407:45
2813.16:407:45
2913.16:417:45
3013.06:427:44
3113.06:427:44

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.32 kWh/m².

For context, solar energy here swings from a low near 3.62 kWh/m² to a high of 5.55 kWh/m² in February across the year — January's 5.32 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in January

Hazard calendar for Passa Quatro

In seasonPeak

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

Passa Quatro's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Passa Quatro?

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

4.3
Sightseeing
12th-best month of the year
4.4
Beach & pool
12th-best month of the year

January is a reasonable time to visit Passa Quatro for sightseeing.

What to pack for Passa Quatro in January

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

In January, Passa Quatro sees daytime highs around 27°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Passa Quatro 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 Passa Quatro peaks around February 8 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 8UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep7Very high
Oct12Extreme
Nov14Extreme
Dec15Extreme

Air quality in Passa Quatro 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 Passa Quatro is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Dec 209 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun13Moderate
Jul13Moderate
Aug14Moderate
Sep19Moderate
Oct13Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Passa Quatro?

Passa Quatro sits at 22.4°S, 45.0°W, 924 m above sea level, in Brazil. The nearest listed city is Itanhandu, 11 km away.

Topography around Passa Quatro

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

Within 3 km, the terrain around Passa Quatro has significant variations in elevation — a maximum elevation change of 378 m around an average of 1,026 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,245 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,761 m.

The land around Passa Quatro is covered by trees (48%) and grassland (45%) within 3 km, trees (56%) and grassland (40%) within 16 km, and trees (49%) and grassland (44%) within 80 km.

3 km
378 m
16 km
2,245 m
80 km
2,761 m
treesgrasslandcroplandartificial surfaces
January weather nearby: Itanhandu 11 km · Cruzeiro 20 km · Cachoeira Paulista 31 km · São Lourenço 32 km · Lorena 41 km · Itatiaia 43 km · Caxambu 46 km · Baependi 49 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 Passa Quatro (-22.3903°, -44.9667°, elevation 924 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).