Itajubá weather in December

In December, Itajubá sees average daytime highs of 24°C and overnight lows near 17°C, with 306 mm of rain across 25.3 wet days and about 13.3 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 5% of the time in December, and the air most often feels humid.

Daylight stretches from about 13 h 18 min at the start of December to 13 h 24 min by month's end. Set against the rest of the year, December is Itajubá's 11th-clearest and 5th-windiest month. For the whole year in context, see Itajubá's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
17°
10th coldest
Rainfall
306 mm
25.3 wet days
Daylight
13 h 24 min
6:17 AM – 7:39 PM
Cloud cover
79%
11th clearest
Wind
6 km/h
5th windiest
Solar energy
5.49 kWh/m²
Travel score
4.4
out of 10

Itajubá 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 24°C through the month.

A typical December day in Itajubá reaches about 24°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 27°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82416
92416
102416
112416
122417
132417
142417
152417
162517
172517
182517
192517
202517
212517
222517
232517
242517
252517
262517
272517
282517
292517
302517
312517

Itajubá weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°36225.913.24.2
Feb25° / 17°23921.812.84.5
Mar24° / 16°20622.212.25.0
Apr23° / 15°8312.311.56.5
May21° / 12°577.610.96.8
Jun20° / 11°34510.77.3
Jul20° / 10°354.210.87.5
Aug22° / 11°334.711.27.8
Sep23° / 13°9410.411.96.8
Oct24° / 15°15417.512.55.7
Nov24° / 16°22521.513.14.9
Dec24° / 17°30625.313.34.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32278
42179
52179
62179
72080
81981
91981
101981
111981
121981
131981
142080
152080
162080
172080
182080
192080
202278
212278
222179
232179
242179
252179
262080
272080
281981
291981
301882
311882

Chance of precipitation in December

Any precipitation

Itajubá gets around 306 mm of rain over 25.3 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 81% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
176
277
377
478
578
679
779
879
980
1080
1180
1281
1381
1482
1582
1682
1783
1883
1983
2083
2183
2283
2384
2484
2584
2684
2784
2884
2984
3084
3184

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1532585
2431596
3430606
4429607
5328627
6327637
7326638
8225658
9224668
10223678
11222688
12121717
13121717
14120727
15120727
16120727
17119737
18119737
19119737
20119728
21118738
22018748
23018748
24018739
25017749
26017749
270167410
280167410
290167311
300167311
310167311

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 18 min at the start of December to 13 h 24 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 6:13 AM to 6:24 AM, and sunset from 7:30 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:137:30
213.36:137:30
313.36:147:31
413.36:147:32
513.36:147:32
613.36:147:33
713.36:147:34
813.36:157:34
913.36:157:35
1013.36:157:35
1113.36:157:36
1213.46:167:37
1313.46:167:37
1413.46:167:38
1513.46:177:38
1613.46:177:39
1713.46:177:39
1813.46:187:40
1913.46:187:41
2013.46:197:41
2113.46:197:42
2213.46:207:42
2313.46:207:42
2413.46:217:43
2513.46:217:43
2613.46:227:44
2713.46:227:44
2813.46:237:45
2913.46:237:45
3013.46:247:45
3113.46:247:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.49 kWh/m².

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 5.54 kWh/m² in February across the year — December's 5.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.3Bright
Planning a trip in December

Hazard calendar for Itajubá

In seasonPeak

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

Itajubá'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 Itajubá?

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

4.4
Sightseeing
11th-best month of the year
3.9
Beach & pool
11th-best month of the year

December is a reasonable time to visit Itajubá for sightseeing.

What to pack for Itajubá in December

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

In December, Itajubá sees daytime highs around 24°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 25 days see rain.

rain gearlight clothessun protection

UV index in Itajubá in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Itajubá peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec15Extreme

Air quality in Itajubá in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Itajubá is worst in September — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1418 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr13Moderate
May14Moderate
Jun15Moderate
Jul14Moderate
Aug16Moderate
Sep18Moderate
Oct14Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Itajubá?

Itajubá sits at 22.4°S, 45.5°W, 858 m above sea level, in Brazil. The nearest listed city is Santa Rita do Sapucaí, 32 km away.

Topography around Itajubá

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

Within 3 km, the terrain around Itajubá has significant variations in elevation — a maximum elevation change of 415 m around an average of 893 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,075 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,299 m.

The land around Itajubá is covered by grassland (40%), artificial surfaces (30%) and trees (27%) within 3 km, grassland (57%) and trees (37%) within 16 km, and grassland (47%) and trees (43%) within 80 km.

3 km
415 m
16 km
1,075 m
80 km
2,299 m
treesgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Santa Rita do Sapucaí 32 km · Paraisópolis 37 km · Campos do Jordão 38 km · Lorena 48 km · Passa Quatro 50 km · Potim 51 km · Guaratinguetá 51 km · Lambari 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 Itajubá (-22.4256°, -45.4528°, elevation 858 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).