Simonésia weather in December

In December, Simonésia sees average daytime highs of 27°C and overnight lows near 19°C, with 287 mm of rain across 20.1 wet days and about 13.2 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 8% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 06 min at the start of December to 13 h 12 min by month's end. Set against the rest of the year, December is Simonésia's 11th-clearest and 7th-windiest month. For the whole year in context, see Simonésia's year-round climate.

Daytime high
27°
4th warmest
Overnight low
19°
10th coldest
Rainfall
287 mm
20.1 wet days
Daylight
13 h 12 min
6:08 AM – 7:21 PM
Cloud cover
79%
11th clearest
Wind
7 km/h
7th windiest
Solar energy
5.35 kWh/m²
Travel score
4.8
out of 10

Simonésia 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 27°C through the month.

A typical December day in Simonésia reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°C. Set against its neighbours, December runs about 1°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242819
252819
262819
272819
282819
292819
302819
312819

Simonésia weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°19715.213.15.2
Feb29° / 19°11111.712.75.2
Mar28° / 19°15015.612.15.2
Apr27° / 18°7711.511.66.3
May25° / 15°386.711.17.4
Jun24° / 14°133.410.88.1
Jul24° / 14°92.310.98.3
Aug25° / 14°133.611.38.1
Sep26° / 16°466.911.97.2
Oct27° / 17°10811.512.56.2
Nov26° / 18°21517.7135.1
Dec27° / 19°28720.113.24.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% 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 80%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31486
41486
51486
61486
71486
81486
91585
101684
111783
121783
131981
141981
152179
162179
172377
182377
192377
202575
212575
222575
232674
242674
252674
262674
272575
282575
292476
302476
312476

Chance of precipitation in December

Any precipitation

Simonésia gets around 287 mm of rain over 20.1 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 68% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
165
266
367
467
568
668
768
868
968
1068
1168
1268
1367
1467
1566
1666
1765
1864
1964
2063
2163
2262
2361
2461
2560
2659
2759
2858
2957
3056
3155

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1435574
2334585
3333595
4332596
5331606
6230617
7229627
8228637
9228637
10227638
11127648
12127657
13126667
14126667
15126667
16126667
17125686
18125686
19125686
20125695
21125695
22125695
23125704
24125704
25125704
26125704
27125704
28125704
29125704
30125695
31126685

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 h 06 min at the start of December to 13 h 12 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 6:04 AM to 6:15 AM, and sunset from 7:12 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:047:12
213.16:047:12
313.16:047:13
413.26:047:14
513.26:057:14
613.26:057:15
713.26:057:15
813.26:057:16
913.26:057:17
1013.26:067:17
1113.26:067:18
1213.26:067:18
1313.26:077:19
1413.26:077:19
1513.26:077:20
1613.26:087:21
1713.26:087:21
1813.26:097:22
1913.26:097:22
2013.26:097:23
2113.26:107:23
2213.26:107:24
2313.26:117:24
2413.26:117:24
2513.26:127:25
2613.26:127:25
2713.26:137:26
2813.26:137:26
2913.26:147:27
3013.26:157:27
3113.26:157:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.35 kWh/m².

For context, solar energy here swings from a low near 3.52 kWh/m² to a high of 5.99 kWh/m² in February across the year — December's 5.35 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.7Bright
Planning a trip in December

Hazard calendar for Simonésia

In seasonPeak

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

Simonésia's monsoon runs November–January, 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 Simonésia?

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

4.8
Sightseeing
12th-best month of the year
5.0
Beach & pool
12th-best month of the year

December is a reasonable time to visit Simonésia for sightseeing.

What to pack for Simonésia in December

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

In December, Simonésia sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Simonésia 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 Simonésia peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 12UV 15Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Simonésia?

Simonésia sits at 20.1°S, 42.0°W, 584 m above sea level, in Brazil. The nearest listed city is Manhuaçu, 15 km away.

Topography around Simonésia

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

Within 3 km, the terrain around Simonésia has significant variations in elevation — a maximum elevation change of 455 m around an average of 693 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,137 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,684 m.

The land around Simonésia is covered by trees (65%) and grassland (32%) within 3 km, trees (70%) and grassland (29%) within 16 km, and trees (55%) and grassland (45%) within 80 km.

3 km
455 m
16 km
1,137 m
80 km
2,684 m
treesgrasslandartificial surfaces
December weather nearby: Manhuaçu 15 km · Manhumirim 26 km · Santa Margarida 39 km · Lajinha 40 km · Matipó 40 km · Caratinga 40 km · Ipanema 47 km · Raul Soares 47 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 Simonésia (-20.1239°, -42.0014°, elevation 584 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).