Vitória do Mearim weather in January

In January, Vitória do Mearim sees average daytime highs of 32°C and overnight lows near 24°C, with 248 mm of rain across 24.2 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 5% 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 12 min by month's end. Set against the rest of the year, January is Vitória do Mearim's 9th-clearest and 7th-windiest month. For the whole year in context, see Vitória do Mearim's year-round climate.

Daytime high
32°
6th warmest
Overnight low
24°
8th coldest
Rainfall
248 mm
24.2 wet days
Daylight
12 h 12 min
6:03 AM – 6:14 PM
Cloud cover
80%
9th clearest
Wind
7 km/h
7th windiest
Solar energy
4.79 kWh/m²
Travel score
2.6
out of 10

Vitória do Mearim is 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 Vitória do Mearim 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
33325
43325
53325
63325
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 Vitória do Mearim

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.

Vitória do Mearim 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°24824.212.22.6
Feb32° / 24°28324.712.12.5
Mar31° / 24°36029.1122.4
Apr31° / 24°35427.611.92.4
May32° / 24°19221.911.83.0
Jun32° / 24°6312.111.84.1
Jul32° / 24°386.711.84.4
Aug34° / 24°102.411.93.9
Sep35° / 25°71.3123.2
Oct35° / 25°183.612.12.8
Nov35° / 25°436.912.22.8
Dec34° / 25°9914.212.22.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32278
42179
52080
61882
71783
81783
91585
101486
111387
121288
131288
141288
151189
161189
171189
181288
191288
201288
211387
221387
231387
241486
251486
261486
271486
281486
291585
301585
311585

Chance of precipitation in January

Any precipitation

Vitória do Mearim gets around 248 mm of rain over 24.2 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 78% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
167
268
369
470
571
672
773
873
974
1075
1176
1277
1378
1479
1580
1680
1781
1881
1982
2082
2182
2282
2383
2483
2583
2683
2783
2883
2983
3083
3183

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
127523
227523
327523
427523
527523
627523
727523
827523
917524
1017524
1117524
1217425
1317425
1417326
1517227
1617227
1717128
1816930
1916831
2006832
2106733
2206634
2306535
2406535
2506436
2606337
2706337
2806238
2906139
3006040
3106040

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
127calm
137calm
147calm
157calm
167calm
177calm
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 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over January. Sunrise moves from 5:57 AM to 6:08 AM, and sunset from 6:09 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:576:09
212.25:576:09
312.25:586:09
412.25:586:10
512.25:596:10
612.25:596:11
712.26:006:11
812.26:006:11
912.26:006:12
1012.26:016:12
1112.26:016:13
1212.26:026:13
1312.26:026:13
1412.26:036:14
1512.26:036:14
1612.26:036:14
1712.26:046:14
1812.26:046:15
1912.26:056:15
2012.26:056:15
2112.26:056:16
2212.26:066:16
2312.26:066:16
2412.26:066:16
2512.26:076:16
2612.26:076:17
2712.26:076:17
2812.26:076:17
2912.26:086:17
3012.26:086:17
3112.26:086:17

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.79 kWh/m².

For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 6.28 kWh/m² in October across the year — January's 4.79 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
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 Vitória do Mearim

In seasonPeak

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

Vitória do Mearim'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 Vitória do Mearim?

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
4.2
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Vitória do Mearim.

What to pack for Vitória do Mearim in January

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

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

light clothesrain gearsun protection

UV index in Vitória do Mearim 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 Vitória do Mearim peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 14UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Vitória do Mearim 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 Vitória do Mearim is worst in November — around 22 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1621 µg/m³Jul 148 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar15Moderate
Apr14Moderate
May10Good
Jun9Good
Jul8Good
Aug9Good
Sep11Good
Oct17Moderate
Nov22Moderate
Dec17Moderate
Location & terrain

Where is Vitória do Mearim?

Vitória do Mearim sits at 3.5°S, 44.9°W, 15 m above sea level, in Brazil. The nearest listed city is Arari, 10 km away.

Topography around Vitória do Mearim

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

Within 3 km, the terrain around Vitória do Mearim has only modest variations in elevation — a maximum elevation change of 30 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 48 m; within 80 km, only modest variations in elevation — a maximum elevation change of 109 m.

The land around Vitória do Mearim is covered by grassland (60%) within 3 km, grassland (53%) and trees (27%) within 16 km, and grassland (47%) and trees (36%) within 80 km.

3 km
30 m
16 km
48 m
80 km
109 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
January weather nearby: Arari 10 km · Cajari 22 km · Viana 31 km · Miranda do Norte 34 km · Anajatuba 35 km · Penalva 38 km · Matões do Norte 40 km · Monção 42 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 Vitória do Mearim (-3.4622°, -44.8706°, elevation 15 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).