Pereiro weather in December

In December, Pereiro sees average daytime highs of 35°C and overnight lows near 24°C, with 20 mm of rain across 3.7 wet days and about 12.3 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 38% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Pereiro's 7th-clearest and 5th-windiest month. For the whole year in context, see Pereiro's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
20 mm
3.7 wet days
Daylight
12 h 18 min
5:20 AM – 5:40 PM
Cloud cover
53%
7th clearest
Wind
13 km/h
5th windiest
Solar energy
6.52 kWh/m²
Travel score
3.1
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 Pereiro 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 36°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
253424
263424
273424
283424
293424
303424
313424

How December really feels in Pereiro

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.

Pereiro 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
Jan33° / 24°10612.512.33.1
Feb33° / 23°1151512.23.2
Mar32° / 23°16018.7123.3
Apr31° / 23°13716.611.93.6
May31° / 23°789.511.74.3
Jun31° / 22°28511.74.9
Jul32° / 22°192.111.74.9
Aug33° / 22°50.711.84.4
Sep34° / 23°10.3123.6
Oct35° / 23°90.712.13.1
Nov35° / 24°40.912.33.1
Dec35° / 24°203.712.33.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36436
46436
56436
66337
76337
86337
96337
106238
116337
126238
136139
146238
156139
166139
176139
186040
195941
205941
215743
225743
235644
245644
255545
265545
275545
285446
295347
305347
315248

Chance of precipitation in December

Any precipitation

Pereiro gets around 20 mm of rain over 3.7 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 12% and peaks near 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
14
24
35
45
56
66
77
88
98
109
1110
1210
1311
1411
1512
1612
1713
1813
1913
2014
2114
2215
2316
2416
2517
2617
2718
2819
2920
3021
3122

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 59% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1352432
2351442
3351442
4250453
5250453
6249463
7248474
8148474
9147484
10146495
11145505
12144505
13143506
14141526
15140527
16139537
17138547
18137548
19136558
20136549
21135559
222345410
232335510
242325511
252315611
262305612
272305612
282295613
292285614
302285515
311275715

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 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
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 h 18 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 5:14 AM to 5:27 AM, and sunset from 5:33 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:145:33
212.35:145:34
312.35:145:34
412.35:155:35
512.35:155:35
612.35:155:36
712.35:165:36
812.35:165:37
912.35:175:37
1012.35:175:38
1112.35:175:38
1212.35:185:39
1312.35:185:39
1412.35:195:39
1512.35:195:40
1612.35:205:40
1712.35:205:41
1812.35:205:41
1912.45:215:42
2012.45:215:42
2112.45:225:43
2212.45:225:43
2312.45:235:44
2412.45:235:44
2512.45:245:45
2612.35:245:45
2712.35:255:46
2812.35:255:46
2912.35:265:47
3012.35:265:47
3112.35:275:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.52 kWh/m².

For context, solar energy here swings from a low near 4.94 kWh/m² to a high of 7.1 kWh/m² in October across the year — December's 6.52 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in December

Hazard calendar for Pereiro

In seasonPeak

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

Pereiro's rainy season runs January–May, 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 Pereiro?

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

3.1
Sightseeing
9th-best month of the year
6.4
Beach & pool
8th-best month of the year

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

What to pack for Pereiro in December

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

In December, Pereiro sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Pereiro 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 Pereiro peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 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 14UV 15Jul 16UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Pereiro?

Pereiro sits at 6.0°S, 38.5°W, 554 m above sea level, in Brazil. The nearest listed city is São Miguel, 19 km away.

Topography around Pereiro

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

Within 3 km, the terrain around Pereiro has significant variations in elevation — a maximum elevation change of 404 m around an average of 562 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 642 m; within 80 km, large variations in elevation — a maximum elevation change of 830 m.

The land around Pereiro is covered by trees (45%), shrubs (26%) and grassland (24%) within 3 km, shrubs (48%), trees (30%) and grassland (20%) within 16 km, and shrubs (61%) and grassland (29%) within 80 km.

3 km
404 m
16 km
642 m
80 km
830 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: São Miguel 19 km · Jaguaribe 25 km · Pau dos Ferros 29 km · Orós 55 km · Jaguaretama 59 km · Icó 60 km · Solonópole 70 km · São João do Rio do Peixe 76 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 Pereiro (-6.0417°, -38.4597°, elevation 554 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).