Posto da Mata weather in January

In January, Posto da Mata sees average daytime highs of 31°C and overnight lows near 23°C, with 96 mm of rain across 13.6 wet days and about 13 hours of daylight. It is the 2nd-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 31% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 h 06 min at the start of January to 12 h 48 min by month's end. Set against the rest of the year, January is Posto da Mata's 10th-clearest and 5th-windiest month. For the whole year in context, see Posto da Mata's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
96 mm
13.6 wet days
Daylight
13 hours
5:20 AM – 6:18 PM
Cloud cover
63%
10th clearest
Wind
11 km/h
5th windiest
Solar energy
6.31 kWh/m²
Travel score
4.3
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in Posto da Mata reaches about 31°C in the afternoon and slips back to 23°C overnight — a 7°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, January runs about 1°C warmer than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in Posto da Mata

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.

Posto da Mata weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°9613.6134.3
Feb31° / 23°6812.812.64.1
Mar30° / 23°13917.912.14.0
Apr29° / 22°9217.311.64.5
May28° / 21°6213.911.25.9
Jun27° / 20°4511.310.96.5
Jul26° / 19°4511.3116.7
Aug26° / 19°369.311.46.9
Sep27° / 20°418.911.96.6
Oct28° / 21°8512.112.45.6
Nov29° / 22°16216.112.84.7
Dec30° / 23°13515.213.14.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44258
54357
64357
74456
84456
94555
104555
114654
124753
134753
144852
154951
165050
174951
184951
194951
204951
214951
224951
235050
245050
255050
265050
275149
285149
295149
305149
315248

Chance of precipitation in January

Any precipitation

Posto da Mata gets around 96 mm of rain over 13.6 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 44% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
445
545
645
745
845
944
1044
1144
1244
1343
1443
1543
1643
1743
1843
1943
2043
2143
2243
2343
2444
2544
2644
2745
2845
2945
3045
3145

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
16913
26913
36913
46913
55914
65914
75905
85905
94915
104906
114906
123916
133916
143916
152926
162917
172917
182917
192917
202917
212917
222908
232908
242908
251918
261909
271909
282899
2928810
3028810
3128810

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 06 min at the start of January to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 5:11 AM to 5:29 AM, and sunset from 6:14 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:116:14
213.15:126:15
313.05:126:15
413.05:136:15
513.05:136:15
613.05:146:16
713.05:146:16
813.05:156:16
913.05:166:17
1013.05:166:17
1113.05:176:17
1213.05:176:17
1313.05:186:17
1413.05:196:17
1513.05:196:18
1613.05:206:18
1713.05:206:18
1812.95:216:18
1912.95:226:18
2012.95:226:18
2112.95:236:18
2212.95:236:18
2312.95:246:18
2412.95:256:18
2512.95:256:18
2612.95:266:18
2712.95:266:18
2812.85:276:17
2912.85:276:17
3012.85:286:17
3112.85:296:17

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.31 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.58 kWh/m² to a high of 6.31 kWh/m² in January across the year — January's 6.31 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in January

Is January a good time to visit Posto da Mata?

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

4.3
Sightseeing
10th-best month of the year
6.1
Beach & pool
7th-best month of the year

January is a reasonable time to visit Posto da Mata for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Posto da Mata in January

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

In January, Posto da Mata sees daytime highs around 31°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 14 days see rain.

light clothessun protectionrain gear

Sea temperature near Posto da Mata in January

The nearest coast averages about 27°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 36 km away) is warmest in March at about 28°C and coldest in August near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar28Warm
Apr28Warm
May26Warm
Jun25Warm
Jul24Warm
Aug24Warm
Sep25Warm
Oct26Warm
Nov26Warm
Dec27Warm

UV index in Posto da Mata in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Posto da Mata peaks around February 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 14UV 14Jun 22UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul7Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Posto da Mata?

Posto da Mata sits at 17.9°S, 39.9°W, 78 m above sea level, in Brazil. The nearest listed city is Pedro Canário, 35 km away.

Topography around Posto da Mata

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

Within 3 km, the terrain around Posto da Mata has only modest variations in elevation — a maximum elevation change of 55 m around an average of 86 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, large variations in elevation — a maximum elevation change of 746 m.

The land around Posto da Mata is covered by trees (47%) and grassland (36%) within 3 km, trees (69%) and grassland (28%) within 16 km, and grassland (48%) and trees (34%) within 80 km.

3 km
55 m
16 km
140 m
80 km
746 m
treesgrasslandcroplandartificial surfaceswatermangroves
January weather nearby: Pedro Canário 35 km · Mucuri 39 km · Teixeira de Freitas 41 km · Nova Viçosa 52 km · Nanuque 53 km · Montanha 60 km · Pinheiros 66 km · Medeiros Neto 69 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 Posto da Mata (-17.8861°, -39.8589°, elevation 78 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).