São José dos Quatro Marcos weather in December

In December, São José dos Quatro Marcos sees average daytime highs of 32°C and overnight lows near 23°C, with 183 mm of rain across 24.3 wet days and about 12.9 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 9% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of December to 12 h 54 min by month's end. Set against the rest of the year, December is São José dos Quatro Marcos's 10th-clearest and 6th-windiest month. For the whole year in context, see São José dos Quatro Marcos's year-round climate.

Daytime high
32°
5th warmest
Overnight low
23°
12th coldest
Rainfall
183 mm
24.3 wet days
Daylight
12 h 54 min
6:21 AM – 7:17 PM
Cloud cover
77%
10th clearest
Wind
7 km/h
6th windiest
Solar energy
5.68 kWh/m²
Travel score
2.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical December day in São José dos Quatro Marcos reaches about 32°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, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How December really feels in São José dos Quatro Marcos

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

São José dos Quatro Marcos weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 3rd-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 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 14% of December, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
21981
31981
41981
51981
61981
71981
82080
92278
102278
112377
122575
132575
142674
152773
162872
172872
182872
192872
202872
212872
222872
232773
242674
252674
262476
272377
282278
292278
302278
312278

Chance of precipitation in December

Any precipitation

São José dos Quatro Marcos gets around 183 mm of rain over 24.3 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 77% and peaks near 79% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
177
278
378
478
579
679
778
878
978
1078
1177
1277
1377
1477
1576
1676
1776
1876
1976
2076
2176
2276
2377
2477
2578
2678
2779
2879
2979
3079
3179

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1016894
2015904
3015904
4015904
5015904
6014914
7014914
8014914
9014914
10114913
11113923
12113923
13113923
14113923
15113923
16112942
17112942
18112942
19112942
20112942
21112942
22012952
23012952
24012952
25002962
26002962
27002962
28002962
29002962
30002953
31002953

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 12 h 54 min at the start of December to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:17 AM to 6:28 AM, and sunset from 7:08 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:177:08
212.96:177:09
312.96:177:09
412.96:177:10
512.96:187:11
612.96:187:11
712.96:187:12
812.96:187:12
912.96:197:13
1012.96:197:13
1112.96:197:14
1212.96:207:14
1312.96:207:15
1412.96:207:16
1512.96:217:16
1612.96:217:17
1712.96:227:17
1812.96:227:18
1912.96:227:18
2012.96:237:19
2112.96:237:19
2212.96:247:20
2312.96:247:20
2412.96:257:20
2512.96:257:21
2612.96:267:21
2712.96:267:22
2812.96:277:22
2912.96:277:23
3012.96:287:23
3112.96:287:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.68 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 — December's 5.68 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for São José dos Quatro Marcos

In seasonPeak

In December, 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 December a good time to visit São José dos Quatro Marcos?

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

2.7
Sightseeing
12th-best month of the year
4.3
Beach & pool
10th-best month of the year

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

What to pack for São José dos Quatro Marcos in December

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

In December, São José dos Quatro Marcos sees daytime highs around 32°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 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 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 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 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
December 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).