São Bento do Una weather in December

In December, São Bento do Una sees average daytime highs of 30°C and overnight lows near 19°C, with 13 mm of rain across 3.6 wet days and about 12.5 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 36% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is São Bento do Una's 4th-clearest and 6th-windiest month. For the whole year in context, see São Bento do Una's year-round climate.

Daytime high
30°
1st warmest
Overnight low
19°
8th coldest
Rainfall
13 mm
3.6 wet days
Daylight
12 h 30 min
5:07 AM – 5:37 PM
Cloud cover
53%
4th clearest
Wind
14 km/h
6th windiest
Solar energy
6.44 kWh/m²
Travel score
5.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in São Bento do Una reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°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)
13119
23119
33119
43119
53119
63119
73119
83119
93119
103119
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213019
223019
233019
243019
253020
263020
273020
283020
293020
303020
313020

São Bento do Una weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°32812.45.3
Feb30° / 20°327.812.35.2
Mar30° / 20°421012.15.1
Apr29° / 20°419.811.85.6
May27° / 19°381011.66.4
Jun25° / 18°348.211.56.9
Jul25° / 17°258.211.67.0
Aug25° / 17°166.611.77.2
Sep27° / 18°93.2127.4
Oct29° / 18°82.112.26.5
Nov30° / 19°91.912.46.0
Dec30° / 19°133.612.55.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26238
36337
46436
56436
66436
76436
86535
96436
106436
116535
126436
136436
146436
156337
166337
176238
186238
196139
206040
215941
225941
235842
245842
255842
265842
275743
285743
295743
305743
315644

Chance of precipitation in December

Any precipitation

São Bento do Una gets around 13 mm of rain over 3.6 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 12% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
17
28
38
48
59
69
79
810
910
1011
1111
1211
1312
1412
1512
1612
1712
1812
1912
2013
2113
2213
2313
2413
2514
2614
2715
2815
2915
3016
3117

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the humid band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
128315
228315
328315
428216
528216
628117
728018
827919
927820
1027721
1127622
1227424
1327325
1417326
1527127
1627028
1726929
1826830
1926731
2026731
2126632
2226632
2326533
2426533
2526533
2626533
2726533
2826533
2926434
3026434
3126434

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 30 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 5:02 AM to 5:14 AM, and sunset from 5:29 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:025:29
212.55:025:30
312.55:025:30
412.55:035:31
512.55:035:31
612.55:035:32
712.55:045:32
812.55:045:33
912.55:045:33
1012.55:055:34
1112.55:055:34
1212.55:055:35
1312.55:065:35
1412.55:065:36
1512.55:075:36
1612.55:075:37
1712.55:085:37
1812.55:085:38
1912.55:085:38
2012.55:095:39
2112.55:095:39
2212.55:105:40
2312.55:105:40
2412.55:115:41
2512.55:115:41
2612.55:125:41
2712.55:125:42
2812.55:135:42
2912.55:135:43
3012.55:145:43
3112.55:145:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.44 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 6.57 kWh/m² in November across the year — December's 6.44 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in December

Is December a good time to visit São Bento do Una?

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

5.6
Sightseeing
8th-best month of the year
7.8
Beach & pool
3rd-best month of the year

December is a reasonable time to visit São Bento do Una for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Bento do Una in December

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

In December, São Bento do Una sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in São Bento do Una in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Bento do Una peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 14UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is São Bento do Una?

São Bento do Una sits at 8.5°S, 36.4°W, 630 m above sea level, in Brazil. The nearest listed city is Lajedo, 21 km away.

Topography around São Bento do Una

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Bento do Una.

Within 3 km, the terrain around São Bento do Una has only modest variations in elevation — a maximum elevation change of 192 m around an average of 626 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 345 m; within 80 km, large variations in elevation — a maximum elevation change of 1,047 m.

The land around São Bento do Una is covered by grassland (45%) and cropland (29%) within 3 km, grassland (47%), cropland (30%) and shrubs (20%) within 16 km, and grassland (52%) and shrubs (30%) within 80 km.

3 km
192 m
16 km
345 m
80 km
1,047 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Lajedo 21 km · Belo Jardim 21 km · Jupi 21 km · Sanharó 22 km · Cachoeirinha 24 km · Capoeiras 31 km · Pesqueira 33 km · Caetés 34 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 São Bento do Una (-8.5228°, -36.4444°, elevation 630 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).