São Benedito do Rio Preto weather in December

In December, São Benedito do Rio Preto sees average daytime highs of 34°C and overnight lows near 25°C, with 65 mm of rain across 10.2 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 22% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is São Benedito do Rio Preto's 7th-clearest and 4th-windiest month. For the whole year in context, see São Benedito do Rio Preto's year-round climate.

Daytime high
34°
4th warmest
Overnight low
25°
11th coldest
Rainfall
65 mm
10.2 wet days
Daylight
12 h 12 min
5:45 AM – 5:56 PM
Cloud cover
64%
7th clearest
Wind
12 km/h
4th windiest
Solar energy
5.56 kWh/m²
Travel score
2.9
out of 10

São Benedito do Rio Preto 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 34°C through the month.

A typical December day in São Benedito do Rio Preto reaches about 34°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, December runs about 1°C cooler than November and about 2°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13525
23525
33525
43525
53525
63525
73525
83525
93525
103425
113425
123425
133425
143425
153425
163425
173425
183425
193425
203425
213425
223425
233425
243425
253425
263424
273424
283324
293324
303324
313324

How December really feels in São Benedito do Rio Preto

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.

São Benedito do Rio Preto weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°19221.612.22.8
Feb31° / 23°24823.412.12.7
Mar31° / 23°33228.5122.5
Apr31° / 23°31826.811.92.6
May31° / 23°19520.511.93.4
Jun31° / 23°5610.811.84.5
Jul32° / 23°325.711.84.8
Aug33° / 23°61.211.94.2
Sep35° / 24°40.8123.4
Oct35° / 25°132.512.12.9
Nov35° / 25°234.212.22.9
Dec34° / 25°6510.212.22.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% 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 (%)
15248
25347
35248
45248
55248
65050
75050
85050
94951
104951
114852
124753
134654
144555
154456
164357
174258
184159
194060
204060
213961
223862
233763
243763
253664
263565
273466
283466
293367
303367
313268

Chance of precipitation in December

Any precipitation

São Benedito do Rio Preto gets around 65 mm of rain over 10.2 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 33% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
118
219
319
419
520
620
721
822
923
1024
1125
1227
1328
1429
1530
1632
1733
1835
1936
2038
2139
2241
2342
2444
2545
2647
2748
2849
2951
3053
3154

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 78% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
130700
230700
330700
429710
529710
629710
729710
828720
928720
1028720
1127730
1226740
1326740
1425750
1524760
1623770
1722780
1821790
1920800
2019810
2118820
2217830
2316840
2415850
2515850
2614851
2713861
2812871
2912871
3011881
3110891

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 h 12 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 5:38 AM to 5:52 AM, and sunset from 5:49 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:385:49
212.25:395:50
312.25:395:50
412.25:405:51
512.25:405:51
612.25:405:51
712.25:415:52
812.25:415:52
912.25:415:53
1012.25:425:53
1112.25:425:54
1212.25:435:54
1312.25:435:55
1412.25:445:55
1512.25:445:56
1612.25:455:56
1712.25:455:57
1812.25:455:57
1912.25:465:57
2012.25:465:58
2112.25:475:58
2212.25:475:59
2312.25:485:59
2412.25:486:00
2512.25:496:00
2612.25:496:01
2712.25:506:01
2812.25:506:02
2912.25:516:02
3012.25:516:03
3112.25:526:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.56 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 6.44 kWh/m² in October across the year — December's 5.56 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in December

Hazard calendar for São Benedito do Rio Preto

In seasonPeak

None of São Benedito do Rio Preto's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

São Benedito do Rio Preto's monsoon runs January–May, 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 São Benedito do Rio Preto?

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

2.9
Sightseeing
6th-best month of the year
5.7
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in São Benedito do Rio Preto.

What to pack for São Benedito do Rio Preto in December

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

In December, São Benedito do Rio Preto sees daytime highs around 34°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in São Benedito do Rio Preto 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 São Benedito do Rio Preto peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 18 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 16UV 15Jul 18UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in São Benedito do Rio Preto 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 São Benedito do Rio Preto is worst in February — around 15 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (June, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodModerateFeb 1815 µg/m³Jun 108 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar14Moderate
Apr12Good
May8Good
Jun8Good
Jul14Moderate
Aug12Good
Sep10Good
Oct11Good
Nov14Moderate
Dec14Moderate
Location & terrain

Where is São Benedito do Rio Preto?

São Benedito do Rio Preto sits at 3.3°S, 43.5°W, 34 m above sea level, in Brazil. The nearest listed city is Urbano Santos, 20 km away.

Topography around São Benedito do Rio Preto

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

Within 3 km, the terrain around São Benedito do Rio Preto has only modest variations in elevation — a maximum elevation change of 73 m around an average of 63 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 99 m; within 80 km, only modest variations in elevation — a maximum elevation change of 130 m.

The land around São Benedito do Rio Preto is covered by trees (78%) within 3 km, trees (83%) within 16 km, and trees (74%) within 80 km.

3 km
73 m
16 km
99 m
80 km
130 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Urbano Santos 20 km · Vargem Grande 49 km · Chapadinha 49 km · Mata Roma 57 km · Morros 77 km · Humberto de Campos 82 km · Icatu 86 km · Pirapemas 89 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 Benedito do Rio Preto (-3.3336°, -43.5283°, elevation 34 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).