Floriano weather in December

In December, Floriano sees average daytime highs of 33°C and overnight lows near 24°C, with 113 mm of rain across 13.7 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 25% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Floriano's 8th-clearest and 9th-windiest month. For the whole year in context, see Floriano's year-round climate.

Daytime high
33°
7th warmest
Overnight low
24°
9th coldest
Rainfall
113 mm
13.7 wet days
Daylight
12 h 24 min
5:37 AM – 6:00 PM
Cloud cover
64%
8th clearest
Wind
6 km/h
9th windiest
Solar energy
5.5 kWh/m²
Travel score
3.1
out of 10

Floriano is city 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 33°C through the month.

A typical December day in Floriano reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33425
43325
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293224
303224
313224

How December really feels in Floriano

Once humidity and wind are folded in, December averages 31 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
31
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.

Floriano weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°20022.512.33.0
Feb31° / 23°19321.212.22.9
Mar31° / 23°18823.2123.0
Apr32° / 23°11215.911.93.5
May33° / 24°416.511.73.9
Jun33° / 24°40.811.64.2
Jul34° / 23°30.311.64.2
Aug35° / 24°00.111.83.4
Sep36° / 25°40.5122.5
Oct36° / 26°213.112.22.3
Nov35° / 25°749.212.32.8
Dec33° / 24°11313.712.43.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54951
64852
74753
84753
94753
104753
114654
124555
134456
144456
154456
164456
174357
184258
194159
204060
214060
223961
233862
243862
253862
263763
273664
283565
293466
303565
313466

Chance of precipitation in December

Any precipitation

Floriano gets around 113 mm of rain over 13.7 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 46% and peaks near 59% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
136
236
337
437
538
639
739
840
941
1042
1143
1244
1345
1446
1547
1647
1748
1848
1949
2049
2149
2249
2350
2451
2552
2653
2754
2855
2957
3058
3159

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11836550
21735570
31735570
41634590
51634590
61533610
71532620
80531640
90431650
100430660
110429670
120328690
130327700
140326710
150325720
160324730
170323740
180323740
190322750
200322750
210321760
220321760
230420760
240420751
250419761
260418771
270418771
280317791
290316801
300316801
310315811

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
47calm
57calm
67calm
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 24 min at the start of December to 12 h 24 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 5:31 AM to 5:44 AM, and sunset from 5:53 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:315:53
212.45:315:53
312.45:325:54
412.45:325:54
512.45:325:55
612.45:335:55
712.45:335:56
812.45:335:56
912.45:345:57
1012.45:345:57
1112.45:345:58
1212.45:355:58
1312.45:355:59
1412.45:365:59
1512.45:365:59
1612.45:376:00
1712.45:376:00
1812.45:376:01
1912.45:386:01
2012.45:386:02
2112.45:396:02
2212.45:396:03
2312.45:406:03
2412.45:406:04
2512.45:416:04
2612.45:416:05
2712.45:426:05
2812.45:426:06
2912.45:436:06
3012.45:436:06
3112.45:446:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.85 kWh/m² to a high of 6.76 kWh/m² in September across the year — December's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in December

Hazard calendar for Floriano

In seasonPeak

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

Floriano's monsoon runs December–April, 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 Floriano?

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

3.1
Sightseeing
6th-best month of the year
5.5
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Floriano.

What to pack for Floriano in December

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

In December, Floriano sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Floriano in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Floriano peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 12UV 15Jul 24UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in Floriano in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Floriano is worst in October — around 16 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (June, 3 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1815 µg/m³Jun 233 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar10Good
Apr9Good
May6Good
Jun3Good
Jul3Good
Aug6Good
Sep11Good
Oct16Moderate
Nov12Moderate
Dec11Good
Location & terrain

Where is Floriano?

Floriano sits at 6.8°S, 43.0°W, 114 m above sea level, in Brazil. The nearest listed city is Barão de Grajaú, 1.0 km away.

Topography around Floriano

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

Within 3 km, the terrain around Floriano has only modest variations in elevation — a maximum elevation change of 95 m around an average of 131 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 166 m; within 80 km, significant variations in elevation — a maximum elevation change of 388 m.

The land around Floriano is covered by artificial surfaces (38%), trees (28%) and grassland (25%) within 3 km, trees (49%) and grassland (32%) within 16 km, and trees (52%) and shrubs (31%) within 80 km.

3 km
95 m
16 km
166 m
80 km
388 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Barão de Grajaú 1.0 km · Amarante 61 km · Regeneração 70 km · São João dos Patos 81 km · Oeiras 103 km · Água Branca 106 km · Passagem Franca 106 km · Paraibano 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 Floriano (-6.7669°, -43.0225°, elevation 114 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).