Mantena weather in January

In January, Mantena sees average daytime highs of 30°C and overnight lows near 21°C, with 134 mm of rain across 12.9 wet days and about 13 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 19% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 06 min at the start of January to 12 h 54 min by month's end. Set against the rest of the year, January is Mantena's 10th-clearest and 4th-windiest month. For the whole year in context, see Mantena's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
21°
11th coldest
Rainfall
134 mm
12.9 wet days
Daylight
13 hours
6:23 AM – 7:24 PM
Cloud cover
69%
10th clearest
Wind
8 km/h
4th windiest
Solar energy
5.91 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 30°C through the month.

A typical January day in Mantena reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233121
243121
253121
263121
273121
283121
293121
303121
313121

How January really feels in Mantena

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.

Mantena weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°13412.9134.3
Feb31° / 21°829.912.64.3
Mar30° / 21°10413.412.14.3
Apr29° / 20°6010.611.65.3
May27° / 18°266.311.16.8
Jun26° / 17°154.210.97.5
Jul26° / 16°144.7117.5
Aug27° / 16°134.611.47.4
Sep28° / 18°235.311.96.7
Oct29° / 19°771012.45.4
Nov29° / 20°17315.812.94.6
Dec30° / 21°19016.713.14.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23367
33367
43367
53367
63466
73565
83565
93664
103664
113862
123862
133961
143961
153961
163961
173961
183961
194060
204060
214060
224060
234060
244060
254159
264159
274060
284159
294159
304159
314159

Chance of precipitation in January

Any precipitation

Mantena gets around 134 mm of rain over 12.9 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 42% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
444
544
644
744
843
943
1043
1142
1242
1342
1442
1542
1642
1741
1841
1941
2041
2141
2241
2340
2440
2540
2640
2740
2840
2940
3039
3139

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
135938
235938
335938
435839
535839
625939
725939
825939
925939
1025939
1125840
1225840
1325840
1425741
1525741
1625642
1725642
1815643
1915643
2015544
2115544
2225444
2325444
2425444
2525444
2615643
2715643
2815742
2915742
3015841
3115841

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 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
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 06 min at the start of January to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 6:14 AM to 6:32 AM, and sunset from 7:20 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:147:20
213.16:147:21
313.16:157:21
413.16:157:21
513.16:167:22
613.16:177:22
713.16:177:22
813.16:187:22
913.16:187:23
1013.16:197:23
1113.16:207:23
1213.06:207:23
1313.06:217:23
1413.06:217:23
1513.06:227:24
1613.06:237:24
1713.06:237:24
1813.06:247:24
1913.06:257:24
2013.06:257:24
2113.06:267:24
2213.06:267:24
2312.96:277:24
2412.96:287:24
2512.96:287:24
2612.96:297:24
2712.96:297:23
2812.96:307:23
2912.96:317:23
3012.96:317:23
3112.96:327:23

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.91 kWh/m².

For context, solar energy here swings from a low near 3.38 kWh/m² to a high of 6.02 kWh/m² in February across the year — January's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in January

Hazard calendar for Mantena

In seasonPeak

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

Mantena's monsoon runs November–January, 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 Mantena?

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

4.3
Sightseeing
9th-best month of the year
6.2
Beach & pool
10th-best month of the year

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

What to pack for Mantena in January

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

In January, Mantena sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Mantena 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 Mantena peaks around February 13 at about 15 (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 13UV 15Jun 22UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Mantena?

Mantena sits at 18.8°S, 41.0°W, 231 m above sea level, in Brazil. The nearest listed city is Barra de São Francisco, 10 km away.

Topography around Mantena

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

Within 3 km, the terrain around Mantena has significant variations in elevation — a maximum elevation change of 422 m around an average of 285 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 794 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,575 m.

The land around Mantena is covered by grassland (67%) and trees (22%) within 3 km, grassland (69%) and trees (30%) within 16 km, and grassland (66%) and trees (33%) within 80 km.

3 km
422 m
16 km
794 m
80 km
1,575 m
treesgrasslandartificial surfaces
January weather nearby: Barra de São Francisco 10 km · Ecoporanga 48 km · Pancas 51 km · São Gabriel da Palha 54 km · Nova Venécia 62 km · Resplendor 67 km · Conselheiro Pena 68 km · Aimorés 80 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 Mantena (-18.7817°, -40.9803°, elevation 231 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).