Anajatuba weather in January

In January, Anajatuba sees average daytime highs of 32°C and overnight lows near 24°C, with 236 mm of rain across 24.8 wet days and about 12.2 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 4% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Anajatuba's 9th-clearest and 7th-windiest month. For the whole year in context, see Anajatuba's year-round climate.

Daytime high
32°
6th warmest
Overnight low
24°
8th coldest
Rainfall
236 mm
24.8 wet days
Daylight
12 h 12 min
6:03 AM – 6:13 PM
Cloud cover
79%
9th clearest
Wind
8 km/h
7th windiest
Solar energy
4.75 kWh/m²
Travel score
2.6
out of 10

Anajatuba is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical January day in Anajatuba reaches about 32°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 30°C and 34°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33324
43324
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How January really feels in Anajatuba

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Anajatuba weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 4th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22476
32476
42377
52179
62179
71981
81882
91783
101684
111585
121585
131486
141387
151387
161288
171288
181288
191387
201486
211486
221486
231486
241585
251585
261585
271585
281585
291684
301684
311684

Chance of precipitation in January

Any precipitation

Anajatuba gets around 236 mm of rain over 24.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 80% and peaks near 85% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
167
269
370
471
572
673
774
875
976
1077
1178
1279
1381
1481
1582
1683
1783
1884
1984
2085
2185
2285
2385
2485
2585
2685
2785
2885
2985
3085
3185

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 (%)
118415
218415
318415
418415
518415
618415
718415
818415
918415
1018316
1118316
1218217
1318217
1408218
1508218
1608119
1708020
1807921
1907822
2007822
2107723
2207624
2307624
2407624
2507624
2607624
2707525
2807525
2907525
3007426
3107426

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 12 min at the start of January to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 5:56 AM to 6:08 AM, and sunset from 6:07 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:566:07
212.25:576:08
312.25:576:08
412.25:576:08
512.25:586:09
612.25:586:09
712.25:596:10
812.25:596:10
912.26:006:10
1012.26:006:11
1112.26:016:11
1212.26:016:12
1312.26:016:12
1412.26:026:12
1512.26:026:13
1612.26:036:13
1712.26:036:13
1812.26:036:13
1912.26:046:14
2012.26:046:14
2112.26:056:14
2212.26:056:14
2312.26:056:15
2412.26:066:15
2512.26:066:15
2612.26:066:15
2712.26:066:16
2812.16:076:16
2912.16:076:16
3012.16:076:16
3112.16:086:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.75 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 — January's 4.75 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in January

Hazard calendar for Anajatuba

In seasonPeak

In January, Anajatuba sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

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 January a good time to visit Anajatuba?

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

2.6
Sightseeing
9th-best month of the year
4.1
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Anajatuba.

What to pack for Anajatuba in January

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

In January, Anajatuba sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Anajatuba in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).