Unaí weather in December

In December, Unaí sees average daytime highs of 29°C and overnight lows near 20°C, with 221 mm of rain across 21 wet days and about 13 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 12 h 54 min at the start of December to 13 hours by month's end. Set against the rest of the year, December is Unaí's 12th-clearest and 10th-windiest month. For the whole year in context, see Unaí's year-round climate.

Daytime high
29°
8th warmest
Overnight low
20°
12th coldest
Rainfall
221 mm
21 wet days
Daylight
13 hours
6:35 AM – 7:33 PM
Cloud cover
76%
12th clearest
Wind
6 km/h
10th windiest
Solar energy
5.57 kWh/m²
Travel score
4.0
out of 10

Unaí 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 29°C through the month.

A typical December day in Unaí reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°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)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

Unaí 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° / 20°19619.312.94.1
Feb29° / 20°13815.812.54.3
Mar29° / 20°17118.112.14.4
Apr29° / 19°609.511.65.6
May28° / 17°142.811.27.2
Jun28° / 15°30.3118.2
Jul28° / 15°0011.18.4
Aug29° / 16°4111.57.0
Sep31° / 18°243.311.95.3
Oct31° / 20°9110.212.44.3
Nov29° / 20°19319.912.83.9
Dec29° / 20°22121134.0

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 11% of December, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22080
31981
41882
51783
61882
71882
81783
91783
101882
111981
121981
132080
142179
152377
162377
172575
182575
192674
202773
212773
222971
232971
242971
252971
263070
272971
282872
292773
302773
312773

Chance of precipitation in December

Any precipitation

Unaí gets around 221 mm of rain over 21 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 68% and peaks near 75% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
174
274
374
474
575
674
774
874
973
1073
1172
1271
1370
1469
1568
1667
1766
1865
1964
2063
2162
2262
2362
2462
2562
2662
2762
2862
2963
3063
3164

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1116812
2015823
3015823
4014833
5014833
6013843
7013834
8113824
9113824
10114814
11114814
12114814
13115804
14115813
15116803
16116803
17216793
18217783
19217792
20217792
21217792
22218782
23218782
24218782
25217792
26217792
27217792
28217783
29217783
30216793
31216784

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 54 min at the start of December to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:30 AM to 6:42 AM, and sunset from 7:25 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:307:25
212.96:307:25
312.96:317:26
412.96:317:26
512.96:317:27
612.96:317:27
712.96:327:28
812.96:327:29
912.96:327:29
1013.06:337:30
1113.06:337:30
1213.06:337:31
1313.06:347:31
1413.06:347:32
1513.06:347:32
1613.06:357:33
1713.06:357:33
1813.06:367:34
1913.06:367:34
2013.06:367:35
2113.06:377:35
2213.06:377:36
2313.06:387:36
2413.06:387:37
2513.06:397:37
2613.06:397:38
2713.06:407:38
2813.06:407:38
2913.06:417:39
3013.06:417:39
3113.06:427:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.57 kWh/m².

For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 6.24 kWh/m² in October across the year — December's 5.57 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Unaí

In seasonPeak

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

Unaí'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 Unaí?

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

4.0
Sightseeing
11th-best month of the year
5.1
Beach & pool
12th-best month of the year

December is a reasonable time to visit Unaí for sightseeing.

What to pack for Unaí in December

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

In December, Unaí sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Unaí in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Unaí peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 13UV 15Jun 23UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Unaí?

Unaí sits at 16.4°S, 46.9°W, 582 m above sea level, in Brazil. The nearest listed city is Cristalina, 88 km away.

Topography around Unaí

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

Within 3 km, the terrain around Unaí has only modest variations in elevation — a maximum elevation change of 151 m around an average of 583 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 387 m; within 80 km, large variations in elevation — a maximum elevation change of 603 m.

The land around Unaí is covered by artificial surfaces (32%), grassland (30%) and trees (21%) within 3 km, grassland (53%) and trees (25%) within 16 km, and grassland (36%), cropland (30%) and trees (21%) within 80 km.

3 km
151 m
16 km
387 m
80 km
603 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Cristalina 88 km · Paracatu 96 km · Buritis 97 km · Arinos 99 km · Formosa 102 km · São Sebastião 106 km · Jardim Botânico 111 km · Luziânia 112 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 Unaí (-16.3575°, -46.9061°, elevation 582 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).