Santa Rita de Cássia weather in December

In December, Santa Rita de Cássia sees average daytime highs of 32°C and overnight lows near 22°C, with 134 mm of rain across 13.4 wet days and about 12.6 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 22% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of December to 12 h 36 min by month's end. Set against the rest of the year, December is Santa Rita de Cássia's 12th-clearest and 8th-windiest month. For the whole year in context, see Santa Rita de Cássia's year-round climate.

Daytime high
32°
5th warmest
Overnight low
22°
10th coldest
Rainfall
134 mm
13.4 wet days
Daylight
12 h 36 min
5:35 AM – 6:13 PM
Cloud cover
68%
12th clearest
Wind
7 km/h
8th windiest
Solar energy
5.95 kWh/m²
Travel score
3.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical December day in Santa Rita de Cássia reaches about 32°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 35°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133222
143222
153222
163222
173222
183222
193222
203222
213222
223222
233222
243222
253222
263222
273222
283222
293122
303122
313122

How December really feels in Santa Rita de Cássia

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.

Santa Rita de Cássia weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°15615.512.63.8
Feb31° / 22°12715.112.43.8
Mar31° / 22°14715.812.13.9
Apr31° / 22°698.811.84.5
May32° / 22°172.611.55.0
Jun31° / 20°00.111.45.6
Jul31° / 20°0011.45.7
Aug33° / 20°0011.64.8
Sep35° / 22°50.711.93.4
Oct35° / 24°485.312.22.8
Nov33° / 23°13312.112.53.4
Dec32° / 22°13413.412.63.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33367
43268
53268
63268
73367
83367
93367
103367
113466
123565
133565
143763
153763
163862
173961
184060
194060
204060
214159
224159
234159
244060
254159
264159
274159
284159
294159
304060
314060

Chance of precipitation in December

Any precipitation

Santa Rita de Cássia gets around 134 mm of rain over 13.4 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 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
246
346
446
546
646
746
846
946
1046
1146
1245
1345
1444
1544
1643
1742
1842
1941
2041
2141
2240
2340
2441
2541
2642
2742
2843
2944
3045
3146

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
15214528
24214629
34214629
44204630
53204630
63194731
73194731
83194731
93194731
103194731
113194731
123194731
133194730
144194730
154194829
164204828
174204827
184204927
195204926
205204925
214215025
224215124
234205224
244205224
254205224
263195424
273195424
283185425
292185525
302175526
312175427

Wind in December

Winds average 7 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
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 36 min at the start of December to 12 h 36 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 5:30 AM to 5:42 AM, and sunset from 6:06 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:306:06
212.65:306:06
312.65:306:07
412.65:316:07
512.65:316:08
612.65:316:08
712.65:326:09
812.65:326:09
912.65:326:10
1012.65:336:10
1112.65:336:11
1212.65:336:11
1312.65:346:12
1412.65:346:12
1512.65:356:13
1612.65:356:13
1712.65:356:14
1812.65:366:14
1912.65:366:15
2012.65:376:15
2112.65:376:16
2212.65:386:16
2312.65:386:17
2412.65:396:17
2512.65:396:18
2612.65:406:18
2712.65:406:19
2812.65:416:19
2912.65:416:20
3012.65:426:20
3112.65:426:20

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.95 kWh/m².

For context, solar energy here swings from a low near 5.03 kWh/m² to a high of 6.66 kWh/m² in September across the year — December's 5.95 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in December

Hazard calendar for Santa Rita de Cássia

In seasonPeak

In December, Santa Rita de Cássia sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Santa Rita de Cássia's rainy season runs November–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 Santa Rita de Cássia?

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

3.8
Sightseeing
7th-best month of the year
5.8
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Santa Rita de Cássia.

What to pack for Santa Rita de Cássia in December

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

In December, Santa Rita de Cássia sees daytime highs around 32°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Santa Rita de Cássia 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 Santa Rita de Cássia peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 23UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Santa Rita de Cássia 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 Santa Rita de Cássia is worst in October — around 23 µg/m³ PM2.5 (moderate), about 8.3× the cleanest month (June, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1322 µg/m³Jun 183 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar6Good
Apr5Good
May4Good
Jun3Good
Jul3Good
Aug4Good
Sep18Moderate
Oct23Moderate
Nov9Good
Dec8Good
Location & terrain

Where is Santa Rita de Cássia?

Santa Rita de Cássia sits at 11.0°S, 44.5°W, 441 m above sea level, in Brazil. The nearest listed city is Formosa do Rio Preto, 74 km away.

Topography around Santa Rita de Cássia

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Rita de Cássia.

Within 3 km, the terrain around Santa Rita de Cássia has only modest variations in elevation — a maximum elevation change of 43 m around an average of 449 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, significant variations in elevation — a maximum elevation change of 478 m.

The land around Santa Rita de Cássia is covered by trees (29%) and shrubs (21%) within 3 km, trees (59%) within 16 km, and trees (52%) and shrubs (34%) within 80 km.

3 km
43 m
16 km
110 m
80 km
478 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Formosa do Rio Preto 74 km · Riachão das Neves 92 km · Corrente 94 km · Buritirama 103 km · Barreiras 137 km · Barra 151 km · São Desidério 159 km · Luis Eduardo Magalhães 183 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 Santa Rita de Cássia (-11.0086°, -44.5194°, elevation 441 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).