São José dos Quatro Marcos weather in January

In January, São José dos Quatro Marcos sees average daytime highs of 31°C and overnight lows near 23°C, with 206 mm of rain across 24.4 wet days and about 12.8 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 5% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of January to 12 h 42 min by month's end. Set against the rest of the year, January is São José dos Quatro Marcos's 11th-clearest and 9th-windiest month. For the whole year in context, see São José dos Quatro Marcos's year-round climate.

Daytime high
31°
6th warmest
Overnight low
23°
12th coldest
Rainfall
206 mm
24.4 wet days
Daylight
12 h 48 min
6:37 AM – 7:27 PM
Cloud cover
80%
11th clearest
Wind
6 km/h
9th windiest
Solar energy
5.5 kWh/m²
Travel score
2.8
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in São José dos Quatro Marcos reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13223
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in São José dos Quatro Marcos

Once humidity and wind are folded in, January averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

São José dos Quatro Marcos weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°20624.412.82.8
Feb31° / 23°20223.412.52.8
Mar31° / 23°17223.212.13.0
Apr31° / 22°9614.311.74.1
May29° / 20°447.411.35.7
Jun29° / 19°112.211.16.5
Jul30° / 18°91.611.26.4
Aug32° / 20°142.911.54.8
Sep34° / 22°457.711.93.5
Oct33° / 23°11416.412.42.9
Nov32° / 23°15819.912.72.9
Dec32° / 23°18324.312.92.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22080
32080
42080
51981
61981
71981
81981
91882
101882
111981
121882
131882
141882
151882
161882
171882
181882
191882
201981
211981
221981
231981
241981
251882
261882
271981
282080
292080
302080
312080

Chance of precipitation in January

Any precipitation

São José dos Quatro Marcos gets around 206 mm of rain over 24.4 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 79% and peaks near 83% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
180
280
380
480
580
680
780
879
979
1079
1178
1278
1378
1478
1578
1678
1777
1877
1977
2077
2178
2278
2379
2479
2580
2681
2781
2882
2982
3083
3183

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
12953
22953
32953
42953
52953
62953
72953
81963
91954
101954
111954
121954
131954
141954
152944
162935
172935
182935
192926
202926
212926
222917
232917
242917
252908
262908
272908
282908
292899
302899
312899

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 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
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 54 min at the start of January to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 6:28 AM to 6:45 AM, and sunset from 7:23 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:287:23
212.96:297:24
312.96:307:24
412.96:307:24
512.96:317:25
612.96:317:25
712.96:327:25
812.96:327:25
912.96:337:26
1012.96:347:26
1112.96:347:26
1212.96:357:26
1312.96:357:27
1412.86:367:27
1512.86:367:27
1612.86:377:27
1712.86:387:27
1812.86:387:27
1912.86:397:27
2012.86:397:27
2112.86:407:27
2212.86:407:28
2312.86:417:28
2412.86:417:28
2512.86:427:28
2612.76:427:27
2712.76:437:27
2812.76:447:27
2912.76:447:27
3012.76:457:27
3112.76:457:27

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 5.92 kWh/m² in October across the year — January's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in January

Hazard calendar for São José dos Quatro Marcos

In seasonPeak

In January, São José dos Quatro Marcos sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

São José dos Quatro Marcos's monsoon runs October–April, 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 São José dos Quatro Marcos?

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

2.8
Sightseeing
10th-best month of the year
4.2
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in São José dos Quatro Marcos.

What to pack for São José dos Quatro Marcos in January

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

In January, São José dos Quatro Marcos sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in São José dos Quatro Marcos 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 São José dos Quatro Marcos peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 22UV 15Sep 15UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in São José dos Quatro Marcos 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 São José dos Quatro Marcos is worst in September — around 43 µg/m³ PM2.5 (poor), about 6.0× the cleanest month (July, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1640 µg/m³Jul 97 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar9Good
Apr7Good
May8Good
Jun7Good
Jul7Good
Aug21Moderate
Sep43Poor
Oct21Moderate
Nov12Moderate
Dec11Good
Location & terrain

Where is São José dos Quatro Marcos?

São José dos Quatro Marcos sits at 15.6°S, 58.2°W, 229 m above sea level, in Brazil. The nearest listed city is Mirassol d'Oeste, 11 km away.

Topography around São José dos Quatro Marcos

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São José dos Quatro Marcos.

Within 3 km, the terrain around São José dos Quatro Marcos has only modest variations in elevation — a maximum elevation change of 74 m around an average of 223 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 253 m; within 80 km, significant variations in elevation — a maximum elevation change of 599 m.

The land around São José dos Quatro Marcos is covered by grassland (69%) within 3 km, grassland (68%) and trees (26%) within 16 km, and grassland (56%) and trees (38%) within 80 km.

3 km
74 m
16 km
253 m
80 km
599 m
treesgrasslandcroplandartificial surfaceswetland
January weather nearby: Mirassol d'Oeste 11 km · Lambari d'Oeste 38 km · Cáceres 73 km · Barra do Bugres 123 km · Pontes e Lacerda 132 km · Nova Olímpia 132 km · Tangará da Serra 134 km · Poconé 181 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 São José dos Quatro Marcos (-15.6214°, -58.1764°, elevation 229 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).