Mimoso do Sul weather in December

In December, Mimoso do Sul sees average daytime highs of 29°C and overnight lows near 21°C, with 248 mm of rain across 20.3 wet days and about 13.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 30°C by the end. The sky is clear or mostly clear about 15% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Mimoso do Sul's 11th-clearest and 8th-windiest month. For the whole year in context, see Mimoso do Sul's year-round climate.

Daytime high
29°
4th warmest
Overnight low
21°
9th coldest
Rainfall
248 mm
20.3 wet days
Daylight
13 h 18 min
6:03 AM – 7:20 PM
Cloud cover
74%
11th clearest
Wind
6 km/h
8th windiest
Solar energy
5.74 kWh/m²
Travel score
3.9
out of 10

Mimoso do Sul 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

Highs climb over the month, from about 29°C in the first days to 30°C by the end.

A typical December day in Mimoso do Sul reaches about 29°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°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)
12920
22920
32920
42920
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How December really feels in Mimoso do Sul

Once humidity and wind are folded in, December averages 17 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
17
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.

Mimoso do Sul 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
Jan31° / 21°16514.813.14.0
Feb31° / 21°12511.812.74.1
Mar30° / 21°17717.712.14.0
Apr29° / 19°1041511.55.1
May27° / 17°6110.1116.6
Jun26° / 16°326.510.77.4
Jul26° / 15°317.110.87.5
Aug26° / 15°316.911.37.3
Sep27° / 17°711011.96.5
Oct28° / 19°11412.812.55.7
Nov28° / 20°21818.6134.7
Dec29° / 21°24820.313.33.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
21981
31981
41981
52080
62080
72080
82179
92179
102278
112278
122377
132476
142575
152773
162773
172872
182971
193070
203169
213268
223367
233268
243268
253268
263268
273268
283268
293268
303268
313268

Chance of precipitation in December

Any precipitation

Mimoso do Sul gets around 248 mm of rain over 20.3 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 67% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
367
467
567
667
767
867
967
1066
1166
1266
1366
1465
1565
1665
1765
1864
1964
2064
2164
2264
2364
2463
2563
2663
2762
2861
2960
3059
3158

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11848430
21747450
30746470
40645480
50644500
60643510
70542530
80541540
90540550
100439570
110438580
120338590
130337600
140336610
150236620
160235630
170234640
180233650
190133660
200132670
210132670
220131680
230131680
240130690
250130690
260130681
270130681
280130681
290130681
300131671
310131671

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
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 13 h 12 min at the start of December to 13 h 18 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 6:00 AM to 6:11 AM, and sunset from 7:11 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:007:11
213.26:007:12
313.26:007:12
413.26:007:13
513.26:007:13
613.26:007:14
713.26:017:15
813.26:017:15
913.26:017:16
1013.36:017:16
1113.36:027:17
1213.36:027:18
1313.36:027:18
1413.36:037:19
1513.36:037:19
1613.36:037:20
1713.36:047:20
1813.36:047:21
1913.36:057:21
2013.36:057:22
2113.36:067:22
2213.36:067:23
2313.36:067:23
2413.36:077:24
2513.36:077:24
2613.36:087:25
2713.36:087:25
2813.36:097:25
2913.36:107:26
3013.36:107:26
3113.36:117:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.74 kWh/m².

For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 6.21 kWh/m² in February across the year — December's 5.74 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.9Bright
205.9Bright
215.9Bright
226.0Bright
236.0Bright
246.0Bright
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.1Intense
Planning a trip in December

Hazard calendar for Mimoso do Sul

In seasonPeak

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

Mimoso do Sul's rainy season runs October–March, 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 Mimoso do Sul?

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

3.9
Sightseeing
12th-best month of the year
5.2
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Mimoso do Sul.

What to pack for Mimoso do Sul in December

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

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

light clothesrain gearsun protection

Sea temperature near Mimoso do Sul in December

The nearest coast averages about 24°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 51 km away) is warmest in April at about 25°C and coldest in August near 23°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Warm
Mar25Warm
Apr25Warm
May24Warm
Jun23Refreshing
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct23Refreshing
Nov24Refreshing
Dec24Refreshing

UV index in Mimoso do Sul 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 Mimoso do Sul peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 10UV 14Jun 22UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Mimoso do Sul?

Mimoso do Sul sits at 21.1°S, 41.4°W, 74 m above sea level, in Brazil. The nearest listed city is Bom Jesus do Itabapoana, 33 km away.

Topography around Mimoso do Sul

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

Within 3 km, the terrain around Mimoso do Sul has significant variations in elevation — a maximum elevation change of 477 m around an average of 178 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,236 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,427 m.

The land around Mimoso do Sul is covered by trees (54%) and grassland (41%) within 3 km, grassland (54%) and trees (45%) within 16 km, and grassland (56%) and trees (28%) within 80 km.

3 km
477 m
16 km
1,236 m
80 km
2,427 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Bom Jesus do Itabapoana 33 km · Cachoeiro de Itapemirim 36 km · Alegre 38 km · Guaçuí 46 km · São Francisco de Itabapoana 50 km · Castelo 55 km · Itapemirim 56 km · Marataizes 56 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 Mimoso do Sul (-21.0642°, -41.3664°, elevation 74 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).