Presidente Sarney weather in December

In December, Presidente Sarney sees average daytime highs of 33°C and overnight lows near 24°C, with 73 mm of rain across 13.4 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 21% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Presidente Sarney's 7th-clearest and 4th-windiest month. For the whole year in context, see Presidente Sarney's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
73 mm
13.4 wet days
Daylight
12 h 06 min
5:53 AM – 6:02 PM
Cloud cover
65%
7th clearest
Wind
11 km/h
4th windiest
Solar energy
5.33 kWh/m²
Travel score
3.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical December day in Presidente Sarney reaches about 33°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, December runs on par with November and about 1°C warmer than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253224
263224
273224
283224
293224
303224
313224

How December really feels in Presidente Sarney

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.

Presidente Sarney weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°19824.112.12.8
Feb31° / 24°26225.912.12.6
Mar30° / 24°36329.9122.6
Apr30° / 24°3542911.92.6
May31° / 24°24426.211.92.9
Jun30° / 23°11720.811.93.6
Jul30° / 23°781711.94.2
Aug31° / 23°3310.211.94.5
Sep32° / 24°185.1124.4
Oct33° / 24°194.912.14.0
Nov33° / 24°306.112.13.8
Dec33° / 24°7313.412.13.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
35149
45149
55050
65050
75050
84951
94852
104753
114852
124753
134654
144555
154357
164357
174258
184159
194060
203961
213862
223763
233664
243664
253466
263466
273466
283268
293268
303169
313070

Chance of precipitation in December

Any precipitation

Presidente Sarney gets around 73 mm of rain over 13.4 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 43% and peaks near 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
123
224
325
426
527
629
730
832
933
1035
1136
1238
1339
1441
1543
1644
1745
1847
1948
2050
2151
2252
2353
2455
2556
2657
2758
2859
2961
3062
3164

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
13961
23961
33961
42971
52971
62971
72971
82971
92971
102971
111981
121981
131981
141981
151981
161981
171981
181981
191981
200982
210982
220982
230982
240973
250973
260973
270964
280964
290964
300955
310955

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 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 5:47 AM to 6:00 AM, and sunset from 5:55 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:475:55
212.15:475:56
312.15:485:56
412.15:485:57
512.15:485:57
612.15:495:58
712.15:495:58
812.15:505:58
912.15:505:59
1012.15:515:59
1112.15:516:00
1212.15:516:00
1312.15:526:01
1412.15:526:01
1512.15:536:02
1612.15:536:02
1712.15:546:03
1812.15:546:03
1912.15:556:04
2012.15:556:04
2112.15:556:04
2212.15:566:05
2312.15:566:05
2412.15:576:06
2512.15:576:06
2612.15:586:07
2712.15:586:07
2812.15:596:08
2912.15:596:08
3012.16:006:09
3112.16:006:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.33 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 6.03 kWh/m² in October across the year — December's 5.33 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Presidente Sarney

In seasonPeak

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

Presidente Sarney's monsoon runs January–May, 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 Presidente Sarney?

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

3.3
Sightseeing
7th-best month of the year
5.7
Beach & pool
6th-best month of the year

December is a weaker month for outdoor sightseeing in Presidente Sarney.

What to pack for Presidente Sarney in December

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

In December, Presidente Sarney sees daytime highs around 33°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Presidente Sarney in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Presidente Sarney peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Presidente Sarney 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 Presidente Sarney is worst in February — around 18 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (July, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2018 µg/m³Jul 137 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar17Moderate
Apr13Moderate
May9Good
Jun8Good
Jul7Good
Aug8Good
Sep9Good
Oct10Good
Nov11Good
Dec13Moderate
Location & terrain

Where is Presidente Sarney?

Presidente Sarney sits at 2.6°S, 45.4°W, 31 m above sea level, in Brazil. The nearest listed city is Pinheiro, 32 km away.

Topography around Presidente Sarney

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

Within 3 km, the terrain around Presidente Sarney has only modest variations in elevation — a maximum elevation change of 80 m around an average of 33 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 168 m; within 80 km, only modest variations in elevation — a maximum elevation change of 169 m.

The land around Presidente Sarney is covered by trees (49%) and grassland (48%) within 3 km, trees (72%) and grassland (27%) within 16 km, and trees (51%) and grassland (41%) within 80 km.

3 km
80 m
16 km
168 m
80 km
169 m
treesgrasslandartificial surfaceswaterwetlandmangroves
December weather nearby: Pinheiro 32 km · Santa Helena 41 km · Turilândia 42 km · Pedro do Rosário 42 km · Santa Luzia do Paruá 46 km · Palmeirândia 52 km · São Bento 61 km · São Vicente Ferrer 63 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 Presidente Sarney (-2.5914°, -45.3642°, elevation 31 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).