Trizidela do Vale weather in December

In December, Trizidela do Vale sees average daytime highs of 33°C and overnight lows near 24°C, with 129 mm of rain across 15.6 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°C by the end. The sky is clear or mostly clear about 14% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Trizidela do Vale's 8th-clearest and 7th-windiest month. For the whole year in context, see Trizidela do Vale's year-round climate.

Daytime high
33°
5th warmest
Overnight low
24°
10th coldest
Rainfall
129 mm
15.6 wet days
Daylight
12 h 18 min
5:47 AM – 6:03 PM
Cloud cover
70%
8th clearest
Wind
6 km/h
7th windiest
Solar energy
5.36 kWh/m²
Travel score
2.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 32°C by the end.

A typical December day in Trizidela do Vale reaches about 33°C in the afternoon and slips back to 24°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 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)
13424
23424
33424
43424
53424
63424
73424
83424
93424
103424
113424
123424
133424
143424
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303224
313224

How December really feels in Trizidela do Vale

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.

Trizidela do Vale weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°24725.412.22.6
Feb31° / 23°26124.912.12.6
Mar31° / 23°32629.2122.5
Apr31° / 23°26526.311.92.7
May31° / 23°12618.211.83.6
Jun32° / 23°295.911.74.5
Jul33° / 23°122.311.84.5
Aug34° / 23°40.811.93.8
Sep35° / 24°71.3123.1
Oct35° / 24°163.212.12.8
Nov35° / 25°498.212.22.8
Dec33° / 24°12915.612.32.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24456
34456
44357
54258
64258
74159
84060
93961
103961
113862
123763
133763
143664
153565
163466
173466
183268
193169
203070
213070
223070
232872
242872
252872
262674
272674
282575
292674
302575
312476

Chance of precipitation in December

Any precipitation

Trizidela do Vale gets around 129 mm of rain over 15.6 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 51% and peaks near 71% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
133
234
334
435
536
637
738
839
940
1042
1143
1245
1347
1448
1550
1652
1753
1855
1956
2057
2159
2260
2361
2463
2564
2665
2766
2868
2969
3070
3171

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
113816
214806
314797
414797
513807
613807
713807
812817
912817
1011827
1111818
1210828
139829
149829
1588210
1678310
1778211
1868212
1958213
2058114
2148115
2248016
2338017
2437918
2537918
2637819
2737720
2837720
2927820
3027721
3127721

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 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 6 minutes over December. Sunrise moves from 5:41 AM to 5:54 AM, and sunset from 5:56 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:415:56
212.25:415:56
312.25:425:56
412.35:425:57
512.35:425:57
612.35:435:58
712.35:435:58
812.35:435:59
912.35:445:59
1012.35:446:00
1112.35:456:00
1212.35:456:01
1312.35:456:01
1412.35:466:02
1512.35:466:02
1612.35:476:03
1712.35:476:03
1812.35:486:04
1912.35:486:04
2012.35:496:04
2112.35:496:05
2212.35:506:05
2312.35:506:06
2412.35:506:06
2512.35:516:07
2612.35:516:07
2712.35:526:08
2812.35:526:08
2912.35:536:09
3012.35:536:09
3112.35:546:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.36 kWh/m².

For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 6.3 kWh/m² in September across the year — December's 5.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Trizidela do Vale

In seasonPeak

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

Trizidela do Vale'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 Trizidela do Vale?

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

2.8
Sightseeing
6th-best month of the year
5.2
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Trizidela do Vale.

What to pack for Trizidela do Vale in December

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

In December, Trizidela do Vale sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Trizidela do Vale in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trizidela do Vale peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 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 14UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Trizidela do Vale 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 Trizidela do Vale is worst in October — around 35 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (June, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 2134 µg/m³Jun 159 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May10Good
Jun9Good
Jul11Good
Aug13Moderate
Sep19Moderate
Oct35Moderate
Nov30Moderate
Dec23Moderate
Location & terrain

Where is Trizidela do Vale?

Trizidela do Vale sits at 4.6°S, 44.6°W, 36 m above sea level, in Brazil. The nearest listed city is Pedreiras, 3.0 km away.

Topography around Trizidela do Vale

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

Within 3 km, the terrain around Trizidela do Vale has only modest variations in elevation — a maximum elevation change of 80 m around an average of 45 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, significant variations in elevation — a maximum elevation change of 307 m.

The land around Trizidela do Vale is covered by grassland (42%) and trees (38%) within 3 km, grassland (50%) and trees (47%) within 16 km, and grassland (52%) and trees (45%) within 80 km.

3 km
80 m
16 km
153 m
80 km
307 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Pedreiras 3.0 km · São Luís Gonzaga do Maranhão 22 km · Peritoró 38 km · Poção de Pedras 41 km · Bacabal 42 km · Alto Alegre do Maranhão 44 km · Esperantinópolis 45 km · Dom Pedro 56 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 Trizidela do Vale (-4.5719°, -44.6208°, elevation 36 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).