São Miguel do Tapuio weather in December

In December, São Miguel do Tapuio sees average daytime highs of 34°C and overnight lows near 24°C, with 40 mm of rain across 6.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 29% 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 18 min by month's end. Set against the rest of the year, December is São Miguel do Tapuio's 7th-clearest and 7th-windiest month. For the whole year in context, see São Miguel do Tapuio's year-round climate.

Daytime high
34°
4th warmest
Overnight low
24°
12th coldest
Rainfall
40 mm
6.3 wet days
Daylight
12 h 18 min
5:32 AM – 5:51 PM
Cloud cover
59%
7th clearest
Wind
13 km/h
7th windiest
Solar energy
6.04 kWh/m²
Travel score
3.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical December day in São Miguel do Tapuio reaches about 34°C in the afternoon and slips back to 24°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, December runs about 1°C cooler than November and about 2°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53524
63424
73424
83424
93424
103424
113424
123424
133424
143424
153424
163424
173424
183424
193424
203424
213424
223424
233424
243424
253424
263423
273323
283323
293323
303323
313323

How December really feels in São Miguel do Tapuio

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.

São Miguel do Tapuio weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°15917.212.33.3
Feb31° / 22°19216.712.23.5
Mar30° / 22°26922.1123.4
Apr30° / 22°18218.511.93.8
May31° / 22°688.711.84.6
Jun31° / 22°122.111.75.2
Jul32° / 22°7111.75.1
Aug33° / 22°20.211.84.4
Sep35° / 23°10.4123.6
Oct35° / 23°120.912.13.1
Nov35° / 24°132.612.33.0
Dec34° / 24°406.312.33.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 23% of December, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45842
55842
65743
75743
85743
95743
105743
115644
125644
135545
145545
155545
165446
175446
185347
195248
205149
215050
224951
234951
244654
254654
264555
274456
284357
294258
304159
313961

Chance of precipitation in December

Any precipitation

São Miguel do Tapuio gets around 40 mm of rain over 6.3 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 21% and peaks near 37% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
112
212
312
413
513
614
715
815
916
1016
1117
1218
1318
1419
1519
1620
1720
1821
1922
2022
2123
2224
2325
2426
2527
2629
2730
2832
2933
3035
3137

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 36% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
112060172
211961172
311962162
411861173
511861173
611761183
711760193
811660203
901561213
1001460223
1101458244
1201359253
1301258273
1401256293
1501156303
1601154323
1701053343
1801052353
1901050373
2001049383
210948393
220947404
230945414
240944435
250943445
260841456
270839467
280838478
290836489
3007344910
3107325011

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 11 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
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612calm
2712calm
2812calm
2911calm
3011calm
3111calm

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 5:26 AM to 5:39 AM, and sunset from 5:44 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:265:44
212.35:265:44
312.35:275:45
412.35:275:45
512.35:275:46
612.35:285:46
712.35:285:47
812.35:295:47
912.35:295:48
1012.35:295:48
1112.35:305:49
1212.35:305:49
1312.35:315:50
1412.35:315:50
1512.35:315:50
1612.35:325:51
1712.35:325:51
1812.35:335:52
1912.35:335:52
2012.35:345:53
2112.35:345:53
2212.35:355:54
2312.35:355:54
2412.35:365:55
2512.35:365:55
2612.35:375:56
2712.35:375:56
2812.35:385:57
2912.35:385:57
3012.35:395:57
3112.35:395:58

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.04 kWh/m².

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 6.96 kWh/m² in October across the year — December's 6.04 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.2Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.0Intense
166.0Intense
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for São Miguel do Tapuio

In seasonPeak

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

São Miguel do Tapuio's monsoon runs January–April, 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 São Miguel do Tapuio?

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

3.2
Sightseeing
10th-best month of the year
6.3
Beach & pool
8th-best month of the year

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

What to pack for São Miguel do Tapuio in December

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

In December, São Miguel do Tapuio sees daytime highs around 34°C and nights near 24°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in São Miguel do Tapuio 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 São Miguel do Tapuio peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 16Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is São Miguel do Tapuio?

São Miguel do Tapuio sits at 5.5°S, 41.3°W, 283 m above sea level, in Brazil. The nearest listed city is Castelo do Piauí, 32 km away.

Topography around São Miguel do Tapuio

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Miguel do Tapuio.

Within 3 km, the terrain around São Miguel do Tapuio has only modest variations in elevation — a maximum elevation change of 142 m around an average of 296 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 339 m; within 80 km, large variations in elevation — a maximum elevation change of 787 m.

The land around São Miguel do Tapuio is covered by shrubs (53%) and grassland (30%) within 3 km, shrubs (63%) and trees (29%) within 16 km, and shrubs (68%) and trees (24%) within 80 km.

3 km
142 m
16 km
339 m
80 km
787 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Castelo do Piauí 32 km · Novo Oriente 61 km · Quiterianópolis 79 km · Crateús 81 km · Parambu 105 km · Valença do Piauí 111 km · Independência 113 km · Campo Maior 120 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 São Miguel do Tapuio (-5.5036°, -41.3233°, elevation 283 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).