Cruzeiro weather in December

In December, Cruzeiro sees average daytime highs of 27°C and overnight lows near 18°C, with 242 mm of rain across 22.7 wet days and about 13.4 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 9% 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 Cruzeiro's 11th-clearest and 7th-windiest month. For the whole year in context, see Cruzeiro's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
18°
11th coldest
Rainfall
242 mm
22.7 wet days
Daylight
13 h 24 min
6:15 AM – 7:37 PM
Cloud cover
76%
11th clearest
Wind
5 km/h
7th windiest
Solar energy
5.46 kWh/m²
Travel score
4.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Cruzeiro reaches about 27°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12618
22618
32618
42618
52618
62618
72618
82618
92618
102618
112618
122618
132718
142718
152718
162718
172718
182718
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718
312718

Cruzeiro 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
Jan27° / 18°27323.913.24.3
Feb27° / 18°19119.512.84.7
Mar26° / 17°18520.312.25.0
Apr25° / 16°6810.811.56.6
May23° / 13°487.310.97.2
Jun22° / 12°29510.67.7
Jul22° / 11°305.110.87.8
Aug24° / 12°32511.28.0
Sep25° / 14°7910.611.96.8
Oct26° / 16°12915.512.55.8
Nov26° / 17°18819.313.15.1
Dec27° / 18°24222.713.44.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22674
32674
42575
52575
62575
72575
82575
92575
102575
112575
122575
132575
142575
152575
162674
172674
182674
192674
202773
212773
222773
232773
242773
252674
262575
272476
282476
292377
302278
312278

Chance of precipitation in December

Any precipitation

Cruzeiro gets around 242 mm of rain over 22.7 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 74% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
167
267
368
468
569
669
770
870
971
1071
1172
1272
1373
1473
1574
1675
1775
1876
1976
2076
2176
2277
2377
2477
2577
2678
2778
2878
2978
3078
3178

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11175725
21165627
31155628
41145530
51135531
61135333
71125334
81115335
91115236
100105337
110105238
12095239
13095140
14085240
15085141
16085141
17075241
18075241
19075241
20075241
21065341
22065341
23065341
24065341
25055441
26055342
27055342
28055243
29055144
30055144
31055045

Wind in December

Winds average 5 km/h in December.

Across December, 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 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 6:11 AM to 6:22 AM, and sunset from 7:28 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:117:28
213.36:117:29
313.36:117:29
413.36:117:30
513.36:127:31
613.36:127:31
713.36:127:32
813.36:127:33
913.36:137:33
1013.46:137:34
1113.46:137:34
1213.46:137:35
1313.46:147:36
1413.46:147:36
1513.46:147:37
1613.46:157:37
1713.46:157:38
1813.46:167:38
1913.46:167:39
2013.46:167:39
2113.46:177:40
2213.46:177:40
2313.46:187:41
2413.46:187:41
2513.46:197:42
2613.46:197:42
2713.46:207:43
2813.46:207:43
2913.46:217:43
3013.46:217:44
3113.46:227:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.46 kWh/m².

For context, solar energy here swings from a low near 3.62 kWh/m² to a high of 5.55 kWh/m² in February across the year — December's 5.46 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for Cruzeiro

In seasonPeak

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

Cruzeiro's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Cruzeiro?

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

4.5
Sightseeing
11th-best month of the year
4.5
Beach & pool
11th-best month of the year

December is a reasonable time to visit Cruzeiro for sightseeing.

What to pack for Cruzeiro in December

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

In December, Cruzeiro sees daytime highs around 27°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

UV index in Cruzeiro 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 Cruzeiro peaks around February 8 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 8UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep7Very high
Oct12Extreme
Nov14Extreme
Dec15Extreme

Air quality in Cruzeiro 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 Cruzeiro is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Dec 209 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun13Moderate
Jul13Moderate
Aug14Moderate
Sep19Moderate
Oct13Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Cruzeiro?

Cruzeiro sits at 22.6°S, 45.0°W, 545 m above sea level, in Brazil. The nearest listed city is Cachoeira Paulista, 11 km away.

Topography around Cruzeiro

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

Within 3 km, the terrain around Cruzeiro has only modest variations in elevation — a maximum elevation change of 171 m around an average of 546 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,757 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,761 m.

The land around Cruzeiro is covered by grassland (46%) and artificial surfaces (29%) within 3 km, grassland (48%) and trees (47%) within 16 km, and trees (51%) and grassland (42%) within 80 km.

3 km
171 m
16 km
1,757 m
80 km
2,761 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Cachoeira Paulista 11 km · Passa Quatro 20 km · Lorena 24 km · Itanhandu 31 km · Guaratinguetá 35 km · Aparecida 40 km · Potim 42 km · Itatiaia 43 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 Cruzeiro (-22.5732°, -44.9711°, elevation 545 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).