Catolé do Rocha weather in December

In December, Catolé do Rocha sees average daytime highs of 35°C and overnight lows near 24°C, with 14 mm of rain across 2.7 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 41% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Catolé do Rocha's 6th-clearest and 7th-windiest month. For the whole year in context, see Catolé do Rocha's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
14 mm
2.7 wet days
Daylight
12 h 24 min
5:16 AM – 5:38 PM
Cloud cover
51%
6th clearest
Wind
14 km/h
7th windiest
Solar energy
6.58 kWh/m²
Travel score
2.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical December day in Catolé do Rocha reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 37°C. Set against its neighbours, December runs on par with November and about 1°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53524
63524
73524
83524
93524
103524
113524
123524
133524
143524
153524
163524
173524
183524
193524
203524
213524
223524
233524
243524
253524
263524
273524
283524
293524
303524
313524

How December really feels in Catolé do Rocha

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.

Catolé do Rocha weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 24°689.412.32.9
Feb34° / 24°8711.312.23.0
Mar33° / 23°11714.7123.2
Apr32° / 23°961311.93.5
May32° / 23°417.211.74.1
Jun32° / 22°214.111.64.7
Jul32° / 21°11211.74.8
Aug33° / 21°50.511.84.4
Sep34° / 22°10.1123.7
Oct35° / 23°90.412.13.1
Nov35° / 23°20.412.33.0
Dec35° / 24°142.712.42.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36535
46535
56535
66535
76535
86436
96436
106436
116436
126337
136337
146337
156238
166238
176139
186139
195941
205941
215941
225842
235842
245842
255842
265842
275842
285842
295842
305842
315842

Chance of precipitation in December

Any precipitation

Catolé do Rocha gets around 14 mm of rain over 2.7 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 9% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
44
54
64
74
85
95
106
116
127
137
147
158
168
179
189
1910
2010
2111
2211
2312
2412
2513
2613
2714
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 49% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1356392
2356392
3356392
4356392
5355393
6354403
7255403
8254413
9253414
10252424
11252424
12251434
13250444
14250444
15249445
16249455
17248455
18248465
19247465
20247475
21246475
22245485
23245485
24244495
25243496
26243496
27242506
28241507
29241507
30240517
31239518

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 13 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
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 h 24 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 5:10 AM to 5:23 AM, and sunset from 5:31 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:105:31
212.35:115:31
312.35:115:32
412.35:115:32
512.45:125:33
612.45:125:33
712.45:125:34
812.45:135:34
912.45:135:35
1012.45:145:35
1112.45:145:36
1212.45:145:36
1312.45:155:37
1412.45:155:37
1512.45:165:38
1612.45:165:38
1712.45:175:39
1812.45:175:39
1912.45:185:40
2012.45:185:40
2112.45:185:41
2212.45:195:41
2312.45:195:41
2412.45:205:42
2512.45:205:42
2612.45:215:43
2712.45:215:43
2812.45:225:44
2912.45:225:44
3012.45:235:45
3112.45:235:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.58 kWh/m².

For context, solar energy here swings from a low near 4.76 kWh/m² to a high of 7.04 kWh/m² in October across the year — December's 6.58 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in December

Is December a good time to visit Catolé do Rocha?

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

2.9
Sightseeing
11th-best month of the year
6.3
Beach & pool
8th-best month of the year

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

What to pack for Catolé do Rocha in December

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

In December, Catolé do Rocha sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Catolé do Rocha 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 Catolé do Rocha peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 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 13UV 15Jul 17UV 9
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme

Air quality in Catolé do Rocha 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 Catolé do Rocha is worst in October — around 16 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (July, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateOct 2016 µg/m³Jul 135 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr9Good
May7Good
Jun5Good
Jul5Good
Aug6Good
Sep11Good
Oct16Moderate
Nov14Moderate
Dec12Moderate
Location & terrain

Where is Catolé do Rocha?

Catolé do Rocha sits at 6.3°S, 37.7°W, 303 m above sea level, in Brazil. The nearest listed city is São Bento, 7.0 km away.

Topography around Catolé do Rocha

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

Within 3 km, the terrain around Catolé do Rocha has only modest variations in elevation — a maximum elevation change of 193 m around an average of 286 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 556 m; within 80 km, large variations in elevation — a maximum elevation change of 821 m.

The land around Catolé do Rocha is covered by shrubs (54%) within 3 km, shrubs (63%) and grassland (21%) within 16 km, and shrubs (65%) and grassland (26%) within 80 km.

3 km
193 m
16 km
556 m
80 km
821 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: São Bento 7.0 km · Pombal 48 km · Pau dos Ferros 57 km · Caraúbas 65 km · Sousa 70 km · Caicó 73 km · Apodi 76 km · São Miguel 84 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 Catolé do Rocha (-6.3439°, -37.7467°, elevation 303 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).