Anajatuba weather in December

In December, Anajatuba sees average daytime highs of 33°C and overnight lows near 25°C, with 91 mm of rain across 14.1 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 6th-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 16% 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 12 min by month's end. Set against the rest of the year, December is Anajatuba's 7th-clearest and 4th-windiest month. For the whole year in context, see Anajatuba's year-round climate.

Daytime high
33°
4th warmest
Overnight low
25°
10th coldest
Rainfall
91 mm
14.1 wet days
Daylight
12 h 12 min
5:49 AM – 6:00 PM
Cloud cover
67%
7th clearest
Wind
10 km/h
4th windiest
Solar energy
5.37 kWh/m²
Travel score
2.9
out of 10

Anajatuba 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 33°C through the month.

A typical December day in Anajatuba reaches about 33°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 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)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103425
113425
123425
133425
143425
153425
163425
173325
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283325
293325
303325
313325

How December really feels in Anajatuba

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.

Anajatuba weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°23624.812.22.6
Feb31° / 24°28024.812.12.5
Mar31° / 24°36829.4122.4
Apr31° / 24°35427.811.92.4
May31° / 24°20822.411.93.0
Jun31° / 24°7413.111.84.1
Jul32° / 23°438.211.84.4
Aug33° / 24°122.811.94.1
Sep35° / 25°81.8123.4
Oct35° / 25°183.712.13.0
Nov34° / 25°416.812.13.0
Dec33° / 25°9114.112.22.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34951
44951
54753
64753
74753
84753
94654
104555
114555
124357
134258
144159
154060
163862
173763
183763
193565
203466
213466
223367
233367
243169
253169
263070
272971
282872
292872
302674
312674

Chance of precipitation in December

Any precipitation

Anajatuba gets around 91 mm of rain over 14.1 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 46% and peaks near 66% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
127
228
328
429
530
631
732
833
935
1036
1137
1239
1340
1442
1544
1645
1747
1849
1951
2052
2154
2255
2356
2458
2559
2660
2762
2863
2964
3065
3166

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
16904
26904
36895
45905
55905
65905
74915
84915
94915
103925
113925
123925
132926
142926
152926
162917
172917
182908
192908
202899
2128810
2228810
2328711
2428612
2528612
2628513
2728513
2828414
2928414
3028414
3118514

Wind in December

Winds average 10 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
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 h 12 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 5:43 AM to 5:56 AM, and sunset from 5:53 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:435:53
212.25:435:54
312.25:445:54
412.25:445:55
512.25:445:55
612.25:455:56
712.25:455:56
812.25:465:57
912.25:465:57
1012.25:465:57
1112.25:475:58
1212.25:475:58
1312.25:485:59
1412.25:485:59
1512.25:496:00
1612.25:496:00
1712.25:496:01
1812.25:506:01
1912.25:506:02
2012.25:516:02
2112.25:516:03
2212.25:526:03
2312.25:526:04
2412.25:536:04
2512.25:536:05
2612.25:546:05
2712.25:546:05
2812.25:556:06
2912.25:556:06
3012.25:566:07
3112.25:566:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.37 kWh/m².

For context, solar energy here swings from a low near 4.27 kWh/m² to a high of 6.2 kWh/m² in October across the year — December's 5.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Anajatuba

In seasonPeak

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

Anajatuba'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 Anajatuba?

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

2.9
Sightseeing
8th-best month of the year
5.4
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Anajatuba.

What to pack for Anajatuba in December

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

In December, Anajatuba sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Anajatuba 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 Anajatuba peaks around March 18 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 18UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Anajatuba 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 Anajatuba is worst in February — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (June, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2017 µg/m³Jun 149 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar17Moderate
Apr14Moderate
May10Good
Jun9Good
Jul11Good
Aug10Good
Sep10Good
Oct12Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Anajatuba?

Anajatuba sits at 3.3°S, 44.6°W, 11 m above sea level, in Brazil. The nearest listed city is Arari, 28 km away.

Topography around Anajatuba

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

Within 3 km, the terrain around Anajatuba has only modest variations in elevation — a maximum elevation change of 57 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, only modest variations in elevation — a maximum elevation change of 117 m.

The land around Anajatuba is covered by wetland (38%), grassland (31%) and trees (22%) within 3 km, grassland (40%) and wetland (23%) within 16 km, and trees (44%) and grassland (31%) within 80 km.

3 km
57 m
16 km
81 m
80 km
117 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Arari 28 km · Itapecuru Mirim 32 km · Miranda do Norte 34 km · Vitória do Mearim 35 km · Santa Rita 36 km · São João Batista 40 km · Matões do Norte 42 km · Viana 43 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 Anajatuba (-3.2644°, -44.6197°, elevation 11 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).