São Raimundo das Mangabeiras weather in December

In December, São Raimundo das Mangabeiras sees average daytime highs of 31°C and overnight lows near 22°C, with 155 mm of rain across 19.6 wet days and about 12.4 hours of daylight. It is the 8th-warmest and 4th-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 13% of the time in December, and the air most often feels oppressive.

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 São Raimundo das Mangabeiras's 9th-clearest and 9th-windiest month. For the whole year in context, see São Raimundo das Mangabeiras's year-round climate.

Daytime high
31°
8th warmest
Overnight low
22°
9th coldest
Rainfall
155 mm
19.6 wet days
Daylight
12 h 24 min
5:46 AM – 6:10 PM
Cloud cover
74%
9th clearest
Wind
6 km/h
9th windiest
Solar energy
5.09 kWh/m²
Travel score
3.4
out of 10

São Raimundo das Mangabeiras is 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 São Raimundo das Mangabeiras reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How December really feels in São Raimundo das Mangabeiras

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 Raimundo das Mangabeiras weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°21725.112.43.1
Feb30° / 22°19222.412.23.1
Mar30° / 22°19524.3123.1
Apr31° / 22°10615.911.83.8
May32° / 22°366.511.74.4
Jun32° / 22°30.511.64.8
Jul33° / 21°10.311.64.8
Aug34° / 22°10.211.83.9
Sep35° / 23°71.3123.1
Oct34° / 23°506.912.23.1
Nov32° / 23°12714.512.33.5
Dec31° / 22°15519.612.43.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33565
43565
53565
63565
73466
83466
93367
103268
113169
123169
133070
142971
152872
162872
172773
182773
192674
202674
212575
222575
232575
242575
252476
262476
272476
282377
292476
302476
312476

Chance of precipitation in December

Any precipitation

São Raimundo das Mangabeiras gets around 155 mm of rain over 19.6 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 64% and peaks near 74% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
154
254
355
455
556
657
758
859
960
1061
1162
1263
1364
1465
1566
1667
1767
1868
1968
2068
2168
2268
2368
2468
2569
2669
2770
2871
2972
3073
3174

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 85% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
112178
212178
312079
412079
511980
611881
711881
811782
911782
1011683
1111683
1211584
1311584
1411485
1501486
1601387
1701387
1801387
1901387
2001387
2101387
2201387
2301387
2401387
2501288
2601288
2701288
2801189
2901189
3001189
3101090

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:40 AM to 5:53 AM, and sunset from 6:03 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:406:03
212.45:416:04
312.45:416:04
412.45:416:04
512.45:426:05
612.45:426:05
712.45:426:06
812.45:436:06
912.45:436:07
1012.45:436:07
1112.45:446:08
1212.45:446:08
1312.45:456:09
1412.45:456:09
1512.45:456:10
1612.45:466:10
1712.45:466:11
1812.45:476:11
1912.45:476:12
2012.45:486:12
2112.45:486:13
2212.45:496:13
2312.45:496:14
2412.45:506:14
2512.45:506:15
2612.45:516:15
2712.45:516:15
2812.45:526:16
2912.45:526:16
3012.45:536:17
3112.45:536:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.09 kWh/m².

For context, solar energy here swings from a low near 4.71 kWh/m² to a high of 6.55 kWh/m² in September across the year — December's 5.09 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for São Raimundo das Mangabeiras

In seasonPeak

In December, São Raimundo das Mangabeiras sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

São Raimundo das Mangabeiras's monsoon runs November–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 Raimundo das Mangabeiras?

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

3.4
Sightseeing
7th-best month of the year
5.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in São Raimundo das Mangabeiras.

What to pack for São Raimundo das Mangabeiras in December

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

In December, São Raimundo das Mangabeiras sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in São Raimundo das Mangabeiras 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 São Raimundo das Mangabeiras peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 highExtremeFeb 21UV 15Jun 22UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in São Raimundo das Mangabeiras 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 São Raimundo das Mangabeiras is worst in September — around 24 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateSep 1624 µg/m³Jun 127 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar11Good
Apr10Good
May8Good
Jun7Good
Jul10Good
Aug22Moderate
Sep24Moderate
Oct22Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is São Raimundo das Mangabeiras?

São Raimundo das Mangabeiras sits at 7.0°S, 45.5°W, 241 m above sea level, in Brazil. The nearest listed city is Balsas, 83 km away.

Topography around São Raimundo das Mangabeiras

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Raimundo das Mangabeiras.

Within 3 km, the terrain around São Raimundo das Mangabeiras has only modest variations in elevation — a maximum elevation change of 78 m around an average of 231 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 331 m; within 80 km, significant variations in elevation — a maximum elevation change of 450 m.

The land around São Raimundo das Mangabeiras is covered by grassland (43%) and trees (37%) within 3 km, grassland (36%), shrubs (33%) and trees (31%) within 16 km, and shrubs (40%), trees (26%) and grassland (25%) within 80 km.

3 km
78 m
16 km
331 m
80 km
450 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Balsas 83 km · Formosa da Serra Negra 101 km · Uruçuí 105 km · Riachão 131 km · Mirador 143 km · Grajaú 152 km · Pastos Bons 162 km · Barra do Corda 171 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 Raimundo das Mangabeiras (-7.0219°, -45.4811°, elevation 241 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).