Tanhaçu weather in December

In December, Tanhaçu sees average daytime highs of 30°C and overnight lows near 20°C, with 99 mm of rain across 9.7 wet days and about 12.8 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 28% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of December to 12 h 48 min by month's end. Set against the rest of the year, December is Tanhaçu's 11th-clearest and 7th-windiest month. For the whole year in context, see Tanhaçu's year-round climate.

Daytime high
30°
5th warmest
Overnight low
20°
9th coldest
Rainfall
99 mm
9.7 wet days
Daylight
12 h 48 min
5:16 AM – 6:06 PM
Cloud cover
64%
11th clearest
Wind
8 km/h
7th windiest
Solar energy
6.15 kWh/m²
Travel score
4.8
out of 10

Tanhaçu is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Tanhaçu reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193120
203120
213120
223120
233120
243120
253120
263120
273120
283120
293120
303120
313120

How December really feels in Tanhaçu

Once humidity and wind are folded in, December averages 3 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
3
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.

Tanhaçu weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°79812.74.7
Feb31° / 21°486.512.54.6
Mar31° / 21°809.512.14.6
Apr30° / 20°417.911.75.2
May29° / 19°215.711.46.2
Jun27° / 17°18511.27.2
Jul27° / 16°154.911.37.3
Aug28° / 16°123.511.57.2
Sep30° / 18°132.911.96.1
Oct31° / 19°416.112.35.1
Nov30° / 20°11410.312.64.7
Dec30° / 20°999.712.84.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43565
53565
63664
73763
83763
93862
103862
113961
124060
134159
144159
154357
164357
174555
184654
194654
204753
214852
224753
234753
244852
254852
264852
274852
284951
294852
304852
314951

Chance of precipitation in December

Any precipitation

Tanhaçu gets around 99 mm of rain over 9.7 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 31% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
439
539
638
738
838
937
1036
1135
1234
1333
1432
1531
1630
1729
1828
1927
2026
2125
2225
2325
2425
2524
2624
2724
2825
2925
3025
3125

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11295812
21285813
31275814
41265914
51265815
62255815
72245915
82245915
92245915
102245915
112255815
122255914
132265814
142275813
152285713
162295712
172295811
182305711
191305910
20131599
21131599
22131608
23131608
24131617
25130627
26130627
27130627
28129637
29129637
30129637
31128647

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 48 min at the start of December to 12 h 48 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 5:12 AM to 5:24 AM, and sunset from 5:58 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:125:58
212.85:125:58
312.85:125:59
412.85:125:59
512.85:136:00
612.85:136:01
712.85:136:01
812.85:146:02
912.85:146:02
1012.85:146:03
1112.85:156:03
1212.85:156:04
1312.85:156:04
1412.85:166:05
1512.85:166:05
1612.85:166:06
1712.85:176:06
1812.85:176:07
1912.85:186:07
2012.85:186:08
2112.85:196:08
2212.85:196:09
2312.85:206:09
2412.85:206:10
2512.85:216:10
2612.85:216:11
2712.85:226:11
2812.85:226:11
2912.85:236:12
3012.85:236:12
3112.85:246:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.15 kWh/m².

For context, solar energy here swings from a low near 3.7 kWh/m² to a high of 6.25 kWh/m² in January across the year — December's 6.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.9Bright
75.9Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.1Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in December

Hazard calendar for Tanhaçu

In seasonPeak

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

Tanhaçu's rainy season runs November–January, when most of the year's rain falls.

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

Is December a good time to visit Tanhaçu?

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

4.8
Sightseeing
8th-best month of the year
6.7
Beach & pool
11th-best month of the year

December is a reasonable time to visit Tanhaçu for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tanhaçu in December

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

In December, Tanhaçu sees daytime highs around 30°C and nights near 20°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Tanhaçu in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tanhaçu peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jul 10UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec12Extreme
Location & terrain

Where is Tanhaçu?

Tanhaçu sits at 14.0°S, 41.2°W, 433 m above sea level, in Brazil. The nearest listed city is Ituaçu, 24 km away.

Topography around Tanhaçu

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

Within 3 km, the terrain around Tanhaçu has only modest variations in elevation — a maximum elevation change of 205 m around an average of 439 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 842 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,352 m.

The land around Tanhaçu is covered by shrubs (48%) and grassland (37%) within 3 km, shrubs (47%), grassland (28%) and trees (22%) within 16 km, and shrubs (49%) and grassland (33%) within 80 km.

3 km
205 m
16 km
842 m
80 km
1,352 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Ituaçu 24 km · Barra da Estiva 45 km · Brumado 49 km · Anagé 67 km · Ibicoara 68 km · Livramento do Brumado 77 km · Livramento de Nossa Senhora 77 km · Vitória da Conquista 104 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 Tanhaçu (-14.0214°, -41.2481°, elevation 433 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).