Três Marias weather in December

In December, Três Marias sees average daytime highs of 29°C and overnight lows near 22°C, with 231 mm of rain across 19.8 wet days and about 13.1 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 13% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 hours at the start of December to 13 h 06 min by month's end. Set against the rest of the year, December is Três Marias's 12th-clearest and 6th-windiest month. For the whole year in context, see Três Marias's year-round climate.

Daytime high
29°
8th warmest
Overnight low
22°
9th coldest
Rainfall
231 mm
19.8 wet days
Daylight
13 h 06 min
6:25 AM – 7:30 PM
Cloud cover
75%
12th clearest
Wind
7 km/h
6th windiest
Solar energy
5.68 kWh/m²
Travel score
4.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Três Marias reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°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)
12921
22921
32921
42921
52921
62921
72921
82921
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922
312922

Três Marias weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°17617.6134.3
Feb30° / 22°12213.412.64.4
Mar29° / 22°13815.812.14.6
Apr29° / 21°497.611.66.0
May28° / 19°152.711.27.6
Jun27° / 17°30.710.98.3
Jul27° / 17°10.3118.4
Aug29° / 17°30.611.47.4
Sep31° / 19°22411.95.7
Oct31° / 21°69912.44.6
Nov29° / 21°17417.512.94.3
Dec29° / 22°23119.813.14.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32080
41981
51981
61981
71882
81981
91981
101981
112080
122179
132278
142476
152476
162575
172773
182872
192971
203070
213070
223070
233169
243169
253169
263169
273169
283169
293070
303070
313070

Chance of precipitation in December

Any precipitation

Três Marias gets around 231 mm of rain over 19.8 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 64% and peaks near 70% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
168
269
369
470
570
670
770
869
969
1068
1168
1267
1366
1465
1564
1663
1762
1861
1960
2060
2159
2259
2358
2458
2558
2659
2759
2859
2960
3060
3160

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
1106921
2106822
396823
486824
576825
666826
766727
856728
956728
1056728
1156728
1256728
1356728
1456827
1556926
1656926
1757025
1857124
1957124
2057223
2157223
2257223
2357223
2457223
2557223
2657223
2757223
2857124
2967024
3067024
3167024

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 13 hours at the start of December to 13 h 06 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 6:20 AM to 6:32 AM, and sunset from 7:21 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:207:21
213.06:207:22
313.06:217:22
413.06:217:23
513.06:217:24
613.06:217:24
713.16:227:25
813.16:227:25
913.16:227:26
1013.16:227:26
1113.16:237:27
1213.16:237:28
1313.16:237:28
1413.16:247:29
1513.16:247:29
1613.16:257:30
1713.16:257:30
1813.16:257:31
1913.16:267:31
2013.16:267:32
2113.16:277:32
2213.16:277:33
2313.16:287:33
2413.16:287:34
2513.16:297:34
2613.16:297:35
2713.16:307:35
2813.16:307:35
2913.16:317:36
3013.16:317:36
3113.16:327:36

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 4.31 kWh/m² to a high of 6.24 kWh/m² in October across the year — December's 5.68 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Três Marias

In seasonPeak

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

Três Marias's monsoon runs November–March, 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 Três Marias?

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

4.2
Sightseeing
12th-best month of the year
5.3
Beach & pool
12th-best month of the year

December is a reasonable time to visit Três Marias for sightseeing.

What to pack for Três Marias in December

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

In December, Três Marias sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Três Marias 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 Três Marias peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 10UV 15Jun 22UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Três Marias?

Três Marias sits at 18.2°S, 45.2°W, 547 m above sea level, in Brazil. The nearest listed city is Corinto, 85 km away.

Topography around Três Marias

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

Within 3 km, the terrain around Três Marias has only modest variations in elevation — a maximum elevation change of 243 m around an average of 572 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 326 m; within 80 km, significant variations in elevation — a maximum elevation change of 527 m.

The land around Três Marias is covered by grassland (27%) and artificial surfaces (21%) within 3 km, shrubs (32%), grassland (27%) and trees (22%) within 16 km, and grassland (38%), trees (29%) and shrubs (20%) within 80 km.

3 km
243 m
16 km
326 m
80 km
527 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Corinto 85 km · Várzea da Palma 86 km · Buritizeiro 100 km · Pirapora 101 km · Curvelo 105 km · Abaeté 108 km · João Pinheiro 111 km · Pompéu 118 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 Três Marias (-18.2064°, -45.2417°, elevation 547 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).