Casa Nova weather in December

In December, Casa Nova sees average daytime highs of 33°C and overnight lows near 24°C, with 56 mm of rain across 6.9 wet days and about 12.5 hours of daylight. It is the 3rd-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 34% of the time in December, and the air most often feels muggy.

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 Casa Nova's 7th-clearest and 9th-windiest month. For the whole year in context, see Casa Nova's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
56 mm
6.9 wet days
Daylight
12 h 30 min
5:24 AM – 5:56 PM
Cloud cover
57%
7th clearest
Wind
14 km/h
9th windiest
Solar energy
6.41 kWh/m²
Travel score
3.9
out of 10

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 Casa Nova 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 35°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273224
283224
293224
303224
313224

How December really feels in Casa Nova

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.

Casa Nova weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°9810.512.53.9
Feb32° / 23°801112.33.8
Mar32° / 23°9611.912.13.9
Apr32° / 23°437.411.84.4
May31° / 22°102.311.65.3
Jun30° / 21°20.411.56.3
Jul29° / 20°20.211.56.6
Aug30° / 20°10.111.76.2
Sep32° / 21°10.111.95.2
Oct33° / 23°101.512.24.2
Nov33° / 24°344.512.43.9
Dec33° / 24°566.912.53.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35446
45545
55545
65545
75545
85545
95545
105545
115446
125545
135545
145446
155446
165347
175347
185347
195347
205248
215149
225149
235149
245050
255050
265050
274951
284951
294852
304951
314951

Chance of precipitation in December

Any precipitation

Casa Nova gets around 56 mm of rain over 6.9 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 22% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
118
218
319
419
519
619
720
820
920
1021
1121
1221
1322
1422
1522
1622
1722
1822
1922
2022
2123
2223
2323
2423
2524
2624
2724
2825
2925
3026
3126

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12335213
22335213
32325214
42325214
52325214
62315215
72315215
82315215
92315215
102315215
112315215
122315215
131325215
141325215
151335115
161335214
171335214
181345114
191345114
201355014
211355014
221355014
231354914
241354915
251344915
261344916
271344916
281334917
291324917
301324918
311314919

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 5:19 AM to 5:31 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)
112.55:195:49
212.55:195:49
312.55:195:50
412.55:205:50
512.55:205:51
612.55:205:51
712.55:215:52
812.55:215:52
912.55:215:53
1012.55:225:53
1112.55:225:54
1212.55:225:54
1312.55:235:55
1412.55:235:55
1512.55:245:56
1612.55:245:56
1712.55:255:57
1812.55:255:57
1912.55:255:57
2012.55:265:58
2112.55:265:58
2212.55:275:59
2312.55:275:59
2412.55:286:00
2512.55:286:00
2612.55:296:01
2712.55:296:01
2812.55:306:02
2912.55:306:02
3012.55:316:02
3112.55:316:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.41 kWh/m².

For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 6.95 kWh/m² in October across the year — December's 6.41 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in December

Is December a good time to visit Casa Nova?

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

3.9
Sightseeing
8th-best month of the year
6.7
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Casa Nova. The water and warmth also suit a beach or pool day.

What to pack for Casa Nova in December

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

In December, Casa Nova sees daytime highs around 33°C and nights near 24°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Casa Nova 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 Casa Nova peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 highExtremeMar 10UV 15Jul 13UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun10Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Casa Nova?

Casa Nova sits at 9.2°S, 41.0°W, 311 m above sea level, in Brazil. The nearest listed city is Sobradinho, 38 km away.

Topography around Casa Nova

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

Within 3 km, the terrain around Casa Nova has only modest variations in elevation — a maximum elevation change of 24 m around an average of 397 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 208 m; within 80 km, large variations in elevation — a maximum elevation change of 661 m.

The land around Casa Nova is covered by shrubs (32%), grassland (25%) and water (25%) within 3 km, shrubs (65%) and grassland (20%) within 16 km, and shrubs (71%) within 80 km.

3 km
24 m
16 km
208 m
80 km
661 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Sobradinho 38 km · Petrolina 58 km · Juazeiro 59 km · Afrânio 73 km · Lagoa Grande 80 km · Dormentes 84 km · Paulistana 116 km · Sento Sé 118 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 Casa Nova (-9.1742°, -40.9751°, elevation 311 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).