Rubiataba weather in December

In December, Rubiataba sees average daytime highs of 28°C and overnight lows near 21°C, with 284 mm of rain across 24.5 wet days and about 12.9 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 8% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of December to 12 h 54 min by month's end. Set against the rest of the year, December is Rubiataba's 12th-clearest and 9th-windiest month. For the whole year in context, see Rubiataba's year-round climate.

Daytime high
28°
11th warmest
Overnight low
21°
11th coldest
Rainfall
284 mm
24.5 wet days
Daylight
12 h 54 min
6:49 AM – 7:42 PM
Cloud cover
81%
12th clearest
Wind
6 km/h
9th windiest
Solar energy
5.06 kWh/m²
Travel score
3.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Rubiataba reaches about 28°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52821
62821
72821
82821
92821
102821
112821
122821
132821
142821
152821
162821
172821
182821
192921
202921
212921
222921
232921
242921
252921
262921
272921
282821
292821
302821
312821

How December really feels in Rubiataba

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Rubiataba weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°27724.112.83.8
Feb29° / 21°21321.812.53.7
Mar29° / 21°21022.712.13.8
Apr30° / 20°9213.611.74.8
May30° / 19°182.711.36.2
Jun29° / 17°40.611.16.9
Jul30° / 17°00.111.26.8
Aug32° / 18°5111.55.5
Sep33° / 20°30511.94.1
Oct32° / 21°1251612.33.6
Nov29° / 21°23323.312.73.6
Dec28° / 21°28424.512.93.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31783
41783
51783
61783
71783
81783
91783
101783
111783
121783
131882
141882
151981
161981
171981
182080
192080
202080
212080
222080
232080
242080
252080
262179
272179
282179
292080
302080
312080

Chance of precipitation in December

Any precipitation

Rubiataba gets around 284 mm of rain over 24.5 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 79% and peaks near 82% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
182
282
382
482
582
682
782
882
982
1081
1181
1281
1380
1480
1580
1679
1779
1878
1978
2077
2177
2277
2376
2476
2576
2676
2776
2876
2977
3077
3177

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
146927
236928
336928
436829
526929
626830
726830
826731
926731
1026731
1126632
1226731
1336631
1436631
1536730
1636829
1736928
1836928
1937027
2037126
2137225
2247125
2347224
2447224
2547224
2647224
2747125
2847125
2947026
3046927
3146927

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

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
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 12 h 48 min at the start of December to 12 h 54 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 6:44 AM to 6:56 AM, and sunset from 7:34 PM to 7:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:447:34
212.86:447:35
312.86:447:35
412.96:457:36
512.96:457:36
612.96:457:37
712.96:457:37
812.96:467:38
912.96:467:38
1012.96:467:39
1112.96:477:40
1212.96:477:40
1312.96:477:41
1412.96:487:41
1512.96:487:42
1612.96:497:42
1712.96:497:43
1812.96:497:43
1912.96:507:44
2012.96:507:44
2112.96:517:45
2212.96:517:45
2312.96:527:46
2412.96:527:46
2512.96:537:47
2612.96:537:47
2712.96:547:47
2812.96:547:48
2912.96:557:48
3012.96:557:49
3112.96:567:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.06 kWh/m².

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 5.93 kWh/m² in September across the year — December's 5.06 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in December

Hazard calendar for Rubiataba

In seasonPeak

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

Rubiataba's monsoon runs November–March, 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 Rubiataba?

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

3.7
Sightseeing
9th-best month of the year
4.5
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Rubiataba.

What to pack for Rubiataba in December

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

In December, Rubiataba sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Rubiataba 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 Rubiataba peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 24UV 15Jun 22UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Rubiataba 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 Rubiataba is worst in September — around 24 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (June, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1923 µg/m³Jun 156 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr7Good
May7Good
Jun6Good
Jul7Good
Aug11Good
Sep24Moderate
Oct19Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Rubiataba?

Rubiataba sits at 15.2°S, 49.8°W, 638 m above sea level, in Brazil. The nearest listed city is Ceres, 27 km away.

Topography around Rubiataba

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

Within 3 km, the terrain around Rubiataba has only modest variations in elevation — a maximum elevation change of 188 m around an average of 642 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 527 m; within 80 km, large variations in elevation — a maximum elevation change of 841 m.

The land around Rubiataba is covered by grassland (48%) and trees (20%) within 3 km, grassland (52%) and trees (29%) within 16 km, and grassland (50%) and trees (31%) within 80 km.

3 km
188 m
16 km
527 m
80 km
841 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Ceres 27 km · Itapaci 36 km · Itapuranga 47 km · Crixás 71 km · Goianésia 76 km · Jaraguá 83 km · Goiás 93 km · Itaberaí 95 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 Rubiataba (-15.1644°, -49.8033°, elevation 638 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).