Tangará da Serra weather in December

In December, Tangará da Serra sees average daytime highs of 31°C and overnight lows near 23°C, with 209 mm of rain across 25 wet days and about 12.8 hours of daylight. It is the 5th-warmest and 4th-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 6% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of December to 12 h 54 min by month's end. Set against the rest of the year, December is Tangará da Serra's 10th-clearest and 5th-windiest month. For the whole year in context, see Tangará da Serra's year-round climate.

Daytime high
31°
5th warmest
Overnight low
23°
12th coldest
Rainfall
209 mm
25 wet days
Daylight
12 h 54 min
6:20 AM – 7:12 PM
Cloud cover
80%
10th clearest
Wind
7 km/h
5th windiest
Solar energy
5.51 kWh/m²
Travel score
2.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Tangará da Serra 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 33°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)
13123
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 December really feels in Tangará da Serra

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.

Tangará da Serra weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°23825.112.82.9
Feb31° / 23°22024.412.52.8
Mar31° / 22°21625.512.12.9
Apr31° / 22°11215.811.74.0
May30° / 20°416.811.35.6
Jun30° / 19°111.911.26.3
Jul30° / 18°6111.26.3
Aug32° / 19°162.411.54.8
Sep33° / 22°568.611.93.6
Oct33° / 23°12017.812.32.9
Nov32° / 23°16721.512.72.9
Dec31° / 23°2092512.82.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21486
31486
41486
51486
61486
71486
81486
91585
101585
111684
121783
131783
141882
151981
162080
172179
182179
192377
202377
212377
222377
232377
242377
252278
262278
272179
282080
292080
301981
311981

Chance of precipitation in December

Any precipitation

Tangará da Serra gets around 209 mm of rain over 25 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 80% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
180
280
381
481
581
681
781
881
981
1080
1180
1280
1380
1480
1580
1680
1779
1879
1979
2079
2179
2279
2380
2480
2580
2680
2780
2880
2980
3080
3180

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
100595
200595
300496
400496
500496
600496
700397
810396
911395
1011395
1111395
1211395
1311296
1411296
1511296
1611296
1711296
1811296
1911296
2011296
2101297
2201297
2301297
2401297
2500298
2600298
2700298
2800298
2900298
3000298
3100298

Wind in December

Winds average 7 km/h in December.

Across December, 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
16calm
26calm
36calm
46calm
56calm
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 48 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 6 minutes over December. Sunrise moves from 6:16 AM to 6:27 AM, and sunset from 7:04 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:167:04
212.86:167:04
312.86:167:05
412.86:167:05
512.86:177:06
612.86:177:07
712.86:177:07
812.86:177:08
912.86:187:08
1012.86:187:09
1112.86:187:09
1212.96:197:10
1312.96:197:10
1412.96:197:11
1512.96:207:11
1612.96:207:12
1712.96:217:12
1812.96:217:13
1912.96:227:13
2012.96:227:14
2112.96:227:14
2212.96:237:15
2312.96:237:15
2412.96:247:16
2512.96:247:16
2612.96:257:17
2712.96:257:17
2812.96:267:18
2912.96:267:18
3012.96:277:18
3112.96:277:19

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.51 kWh/m².

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 5.93 kWh/m² in October across the year — December's 5.51 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Tangará da Serra

In seasonPeak

In December, Tangará da Serra sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Tangará da Serra'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 Tangará da Serra?

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

2.8
Sightseeing
11th-best month of the year
4.2
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Tangará da Serra.

What to pack for Tangará da Serra in December

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

In December, Tangará da Serra sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Tangará da Serra 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 Tangará da Serra peaks around January 20 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 20UV 15Sep 15UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep4Moderate
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Tangará da Serra 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 Tangará da Serra is worst in September — around 44 µg/m³ PM2.5 (poor), about 6.4× the cleanest month (July, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1641 µg/m³Jul 117 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar9Good
Apr8Good
May9Good
Jun9Good
Jul7Good
Aug20Moderate
Sep44Poor
Oct21Moderate
Nov12Good
Dec10Good
Location & terrain

Where is Tangará da Serra?

Tangará da Serra sits at 14.6°S, 57.5°W, 392 m above sea level, in Brazil. The nearest listed city is Nova Olímpia, 29 km away.

Topography around Tangará da Serra

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tangará da Serra.

Within 3 km, the terrain around Tangará da Serra has only modest variations in elevation — a maximum elevation change of 113 m around an average of 384 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 341 m; within 80 km, significant variations in elevation — a maximum elevation change of 567 m.

The land around Tangará da Serra is covered by artificial surfaces (44%) and grassland (27%) within 3 km, grassland (40%), cropland (35%) and trees (22%) within 16 km, and trees (38%), grassland (33%) and cropland (27%) within 80 km.

3 km
113 m
16 km
341 m
80 km
567 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Nova Olímpia 29 km · Barra do Bugres 60 km · Lambari d'Oeste 96 km · Campo Novo do Parecis 114 km · Diamantino 114 km · Rosário Oeste 116 km · Nobres 125 km · São José dos Quatro Marcos 134 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 Tangará da Serra (-14.6194°, -57.4858°, elevation 392 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).