Itaperuna weather in January

In January, Itaperuna sees average daytime highs of 31°C and overnight lows near 22°C, with 177 mm of rain across 16.2 wet days and about 13.1 hours of daylight. It is the 2nd-warmest and 3rd-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 21% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 h 18 min at the start of January to 13 hours by month's end. Set against the rest of the year, January is Itaperuna's 10th-clearest and 7th-windiest month. For the whole year in context, see Itaperuna's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
22°
12th coldest
Rainfall
177 mm
16.2 wet days
Daylight
13 h 12 min
6:22 AM – 7:32 PM
Cloud cover
71%
10th clearest
Wind
5 km/h
7th windiest
Solar energy
6 kWh/m²
Travel score
3.6
out of 10

Itaperuna 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 31°C through the month.

A typical January day in Itaperuna reaches about 31°C in the afternoon and slips back to 22°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 35°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)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233222
243222
253222
263222
273222
283222
293222
303222
313222

How January really feels in Itaperuna

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.

Itaperuna 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
Jan31° / 22°17716.213.13.6
Feb32° / 22°10811.612.73.8
Mar31° / 21°14315.712.14.0
Apr29° / 20°7210.411.55.3
May27° / 17°457117.0
Jun26° / 16°163.510.77.8
Jul26° / 15°164.210.87.8
Aug27° / 16°203.811.37.6
Sep28° / 18°567.511.96.2
Oct29° / 19°9910.712.55.2
Nov29° / 20°20216.7134.4
Dec30° / 21°22219.313.33.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43169
53169
63169
73169
83169
93169
103268
113367
123367
133367
143367
153466
163565
173466
183466
193466
203466
213664
223664
233664
243664
253763
263862
273862
283862
293961
304060
314159

Chance of precipitation in January

Any precipitation

Itaperuna gets around 177 mm of rain over 16.2 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 52% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
159
258
358
457
556
656
755
854
954
1053
1152
1252
1351
1451
1551
1651
1751
1850
1950
2050
2150
2250
2349
2449
2548
2648
2748
2847
2947
3047
3146

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1125731
2126721
3126712
4126712
5126712
6126712
7126712
8126712
9126712
10127702
11127711
12127711
13127711
14127711
15127711
16128701
17128701
18128701
19128692
20128692
21128692
22128692
23128692
24128692
25128692
26128692
27127702
28127702
29127702
30126712
31126712

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 18 min at the start of January to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:13 AM to 6:32 AM, and sunset from 7:29 PM to 7:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:137:29
213.36:137:29
313.36:147:29
413.36:147:30
513.26:157:30
613.26:167:30
713.26:167:30
813.26:177:31
913.26:187:31
1013.26:187:31
1113.26:197:31
1213.26:197:31
1313.26:207:31
1413.26:217:32
1513.26:217:32
1613.26:227:32
1713.16:237:32
1813.16:237:32
1913.16:247:32
2013.16:257:32
2113.16:257:32
2213.16:267:32
2313.16:277:31
2413.16:277:31
2513.16:287:31
2613.06:297:31
2713.06:297:31
2813.06:307:31
2913.06:307:31
3013.06:317:30
3113.06:327:30

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6 kWh/m².

For context, solar energy here swings from a low near 3.47 kWh/m² to a high of 6.1 kWh/m² in February across the year — January's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.2Intense
Planning a trip in January

Hazard calendar for Itaperuna

In seasonPeak

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

Itaperuna's monsoon runs November–March, 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 Itaperuna?

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

3.6
Sightseeing
12th-best month of the year
5.5
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Itaperuna.

What to pack for Itaperuna in January

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

In January, Itaperuna sees daytime highs around 31°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Itaperuna 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 Itaperuna peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 9UV 14Jun 22UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Itaperuna?

Itaperuna sits at 21.2°S, 41.9°W, 123 m above sea level, in Brazil. The nearest listed city is Natividade, 20 km away.

Topography around Itaperuna

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

Within 3 km, the terrain around Itaperuna has only modest variations in elevation — a maximum elevation change of 191 m around an average of 133 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 657 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,172 m.

The land around Itaperuna is covered by grassland (49%) and artificial surfaces (30%) within 3 km, grassland (77%) and trees (21%) within 16 km, and grassland (68%) and trees (30%) within 80 km.

3 km
191 m
16 km
657 m
80 km
2,172 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Natividade 20 km · Bom Jesus do Itabapoana 23 km · Porciúncula 31 km · Miracema 39 km · Cambuci 41 km · Santo Antônio de Pádua 48 km · Muriaé 50 km · São Fidélis 51 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 Itaperuna (-21.205°, -41.8878°, elevation 123 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).