Picos weather in December

In December, Picos sees average daytime highs of 34°C and overnight lows near 25°C, with 57 mm of rain across 7.8 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 5th-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 26% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 24 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Picos's 8th-clearest and 8th-windiest month. For the whole year in context, see Picos's year-round climate.

Daytime high
34°
4th warmest
Overnight low
25°
10th coldest
Rainfall
57 mm
7.8 wet days
Daylight
12 h 24 min
5:30 AM – 5:54 PM
Cloud cover
62%
8th clearest
Wind
8 km/h
8th windiest
Solar energy
5.83 kWh/m²
Travel score
3.0
out of 10

Picos is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Picos reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 37°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)
13525
23525
33525
43525
53525
63525
73525
83525
93525
103525
113525
123525
133425
143425
153425
163425
173425
183425
193425
203425
213425
223425
233425
243425
253425
263425
273425
283425
293424
303324
313324

How December really feels in Picos

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.

Picos weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°14116.612.43.2
Feb31° / 23°13916.912.23.4
Mar31° / 23°14918.9123.5
Apr32° / 23°8811.611.83.9
May32° / 23°304.811.74.2
Jun32° / 22°4111.64.7
Jul33° / 21°20.511.64.7
Aug34° / 22°10.111.84.0
Sep36° / 23°20.2123.0
Oct36° / 25°91.412.22.3
Nov36° / 25°254.512.32.5
Dec34° / 25°577.812.43.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35347
45347
55248
65248
75347
85347
95248
105248
115248
125248
135248
145149
155149
165149
175050
184951
194951
204852
214852
224753
234654
244555
254456
264258
274258
284258
294060
304060
313961

Chance of precipitation in December

Any precipitation

Picos gets around 57 mm of rain over 7.8 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 26% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
119
219
319
419
519
619
720
820
921
1021
1122
1222
1323
1424
1524
1625
1725
1826
1927
2027
2128
2229
2329
2430
2531
2632
2733
2834
2935
3037
3138

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111441368
211441368
311441368
411440369
511440369
611340369
7113403710
8113393710
9113393711
10012393811
11012383812
12011383912
13011374012
14010364113
15010364213
1609354313
1709344414
1808334514
1908324514
2008314615
2107314616
2207304617
2307294718
2407284719
2507264720
2607254621
2707244623
2807234624
2907224526
3007214527
3107204529

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 24 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 0 minutes over December. Sunrise moves from 5:24 AM to 5:37 AM, and sunset from 5:47 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:245:47
212.45:245:48
312.45:255:48
412.45:255:48
512.45:255:49
612.45:265:49
712.45:265:50
812.45:275:50
912.45:275:51
1012.45:275:51
1112.45:285:52
1212.45:285:52
1312.45:285:53
1412.45:295:53
1512.45:295:54
1612.45:305:54
1712.45:305:55
1812.45:315:55
1912.45:315:56
2012.45:325:56
2112.45:325:57
2212.45:325:57
2312.45:335:58
2412.45:335:58
2512.45:345:59
2612.45:345:59
2712.45:355:59
2812.45:356:00
2912.45:366:00
3012.45:366:01
3112.45:376:01

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.83 kWh/m².

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 6.85 kWh/m² in October across the year — December's 5.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Bright
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Picos

In seasonPeak

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

Picos's rainy season runs January–April, 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 Picos?

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

3.0
Sightseeing
9th-best month of the year
6.0
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Picos.

What to pack for Picos in December

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

In December, Picos sees daytime highs around 34°C and nights near 25°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Picos 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 Picos peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 10UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Picos?

Picos sits at 7.1°S, 41.5°W, 203 m above sea level, in Brazil. The nearest listed city is Jaicós, 48 km away.

Topography around Picos

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

Within 3 km, the terrain around Picos has significant variations in elevation — a maximum elevation change of 255 m around an average of 228 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 385 m; within 80 km, significant variations in elevation — a maximum elevation change of 582 m.

The land around Picos is covered by grassland (37%), shrubs (24%) and artificial surfaces (20%) within 3 km, shrubs (49%) and grassland (28%) within 16 km, and shrubs (71%) within 80 km.

3 km
255 m
16 km
385 m
80 km
582 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Jaicós 48 km · Oeiras 74 km · Valença do Piauí 81 km · Pio IX 98 km · Ipueiras 112 km · Salitre 114 km · Campos Sales 120 km · Araripina 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 Picos (-7.0769°, -41.4669°, elevation 203 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).