Itaperuna weather in December

In December, Itaperuna sees average daytime highs of 30°C and overnight lows near 21°C, with 222 mm of rain across 19.3 wet days and about 13.3 hours of daylight. It is the 4th-warmest and 1st-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 13% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Itaperuna's 11th-clearest and 5th-windiest month. For the whole year in context, see Itaperuna's year-round climate.

Daytime high
30°
4th warmest
Overnight low
21°
10th coldest
Rainfall
222 mm
19.3 wet days
Daylight
13 h 18 min
6:05 AM – 7:22 PM
Cloud cover
74%
11th clearest
Wind
6 km/h
5th windiest
Solar energy
5.66 kWh/m²
Travel score
3.7
out of 10

Itaperuna is human settlement in Brazil.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Itaperuna 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 26°C and 34°C. Set against its neighbours, December runs about 1°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22921
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163022
173022
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How December really feels in Itaperuna

Once humidity and wind are folded in, December averages 26 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
26
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Itaperuna weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 1st-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 73%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32278
42179
52179
62179
72179
82179
92179
102377
112476
122575
132674
142674
152872
162971
172971
183070
193169
203268
213268
223367
233367
243367
253367
263268
273169
283169
293070
303070
313169

Chance of precipitation in December

Any precipitation

Itaperuna gets around 222 mm of rain over 19.3 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 62% and peaks near 64% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
160
261
361
462
562
662
763
863
963
1063
1163
1264
1364
1463
1563
1663
1763
1863
1962
2062
2162
2262
2361
2461
2561
2661
2761
2861
2961
3060
3160

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11944460
21843470
31843490
41742500
51741510
61740520
71639531
81638541
90637561
100536581
110535591
120434611
130434611
140333631
150332641
160331651
170230671
180229681
190228691
200227701
210227701
220226711
230126721
240125731
250125731
260124741
270124741
280124741
290124741
300125731
310125731

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 12 min at the start of December to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:01 AM to 6:12 AM, and sunset from 7:13 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:017:13
213.26:017:14
313.26:027:15
413.26:027:15
513.26:027:16
613.26:027:16
713.26:027:17
813.26:037:18
913.36:037:18
1013.36:037:19
1113.36:037:19
1213.36:047:20
1313.36:047:21
1413.36:047:21
1513.36:057:22
1613.36:057:22
1713.36:067:23
1813.36:067:23
1913.36:067:24
2013.36:077:24
2113.36:077:25
2213.36:087:25
2313.36:087:26
2413.36:097:26
2513.36:097:27
2613.36:107:27
2713.36:107:27
2813.36:117:28
2913.36:117:28
3013.36:127:29
3113.36:127:29

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.66 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 — December's 5.66 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in December

Hazard calendar for Itaperuna

In seasonPeak

In December, 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 December a good time to visit Itaperuna?

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

3.7
Sightseeing
11th-best month of the year
5.2
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Itaperuna.

What to pack for Itaperuna in December

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

In December, Itaperuna sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Itaperuna in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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
December 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).