Pilar weather in December

In December, Pilar sees average daytime highs of 31°C and overnight lows near 23°C, with 30 mm of rain across 10.9 wet days and about 12.5 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 38% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 36 min by month's end. Set against the rest of the year, December is Pilar's 4th-clearest and 2nd-windiest month. For the whole year in context, see Pilar's year-round climate.

Daytime high
31°
1st warmest
Overnight low
23°
8th coldest
Rainfall
30 mm
10.9 wet days
Daylight
12 h 36 min
5:03 AM – 5:37 PM
Cloud cover
53%
4th clearest
Wind
11 km/h
2nd windiest
Solar energy
6.17 kWh/m²
Travel score
4.7
out of 10

Pilar 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 31°C through the month.

A typical December day in Pilar reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Pilar

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.

Pilar weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°5315.512.54.2
Feb31° / 23°5515.512.34.0
Mar31° / 23°6417.612.14.0
Apr30° / 23°9419.511.84.0
May28° / 22°11522.711.64.3
Jun27° / 21°13224.411.54.4
Jul26° / 20°13025.111.54.5
Aug26° / 20°832211.74.9
Sep27° / 21°591811.95.3
Oct29° / 21°4513.812.25.3
Nov30° / 22°3210.112.45.0
Dec31° / 23°3010.912.54.7

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 23% of December, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26337
36436
46535
56535
66535
76535
86535
96535
106535
116436
126337
136337
146238
156238
166139
176139
186139
196040
206040
215941
225941
235941
245842
255941
265842
275842
285941
295941
305941
315941

Chance of precipitation in December

Any precipitation

Pilar gets around 30 mm of rain over 10.9 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
130
230
330
429
529
629
729
829
930
1030
1131
1232
1333
1433
1535
1636
1737
1838
1938
2039
2140
2240
2340
2440
2540
2640
2740
2840
2940
3040
3140

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
13268
23169
33169
43169
53169
63070
73070
82971
92971
102971
112872
122872
132773
142773
152773
162674
172674
182674
192575
202575
212575
222476
232476
242476
252476
262377
272377
282377
292377
302278
312278

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 36 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 4:58 AM to 5:10 AM, and sunset from 5:29 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.54:585:29
212.54:585:30
312.54:595:30
412.54:595:31
512.54:595:31
612.54:595:32
712.55:005:32
812.55:005:33
912.55:005:33
1012.55:015:34
1112.55:015:34
1212.65:025:35
1312.65:025:35
1412.65:025:36
1512.65:035:36
1612.65:035:37
1712.65:045:37
1812.65:045:38
1912.65:055:38
2012.65:055:39
2112.65:065:39
2212.65:065:40
2312.65:065:40
2412.65:075:41
2512.65:075:41
2612.65:085:41
2712.65:085:42
2812.65:095:42
2912.65:095:43
3012.65:105:43
3112.65:105:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.17 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 6.18 kWh/m² in November across the year — December's 6.17 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Hazard calendar for Pilar

In seasonPeak

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

Pilar's rainy season runs March–August, 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 Pilar?

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

4.7
Sightseeing
5th-best month of the year
6.7
Beach & pool
2nd-best month of the year

December is a reasonable time to visit Pilar for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Pilar in December

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

In December, Pilar sees daytime highs around 31°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

Sea temperature near Pilar in December

The nearest coast averages about 27°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 32 km away) is warmest in April at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Pilar 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 Pilar peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 11UV 15Jun 23UV 9
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Pilar?

Pilar sits at 9.6°S, 36.0°W, 125 m above sea level, in Brazil. The nearest listed city is Atalaia, 13 km away.

Topography around Pilar

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

Within 3 km, the terrain around Pilar has only modest variations in elevation — a maximum elevation change of 135 m around an average of 80 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 246 m; within 80 km, large variations in elevation — a maximum elevation change of 909 m.

The land around Pilar is covered by grassland (53%) within 3 km, grassland (49%), trees (21%) and cropland (20%) within 16 km, and grassland (46%) and water (26%) within 80 km.

3 km
135 m
16 km
246 m
80 km
909 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Atalaia 13 km · Marechal Deodoro 14 km · Satuba 15 km · Rio Largo 17 km · Capela 25 km · São Miguel dos Campos 25 km · Maceió 25 km · Messias 27 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 Pilar (-9.5972°, -35.9567°, elevation 125 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).