Osvaldo Cruz weather in December

In December, Osvaldo Cruz sees average daytime highs of 31°C and overnight lows near 22°C, with 172 mm of rain across 18.8 wet days and about 13.3 hours of daylight. It is the 3rd-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 20% 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 Osvaldo Cruz's 11th-clearest and 8th-windiest month. For the whole year in context, see Osvaldo Cruz's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
22°
10th coldest
Rainfall
172 mm
18.8 wet days
Daylight
13 h 18 min
6:40 AM – 7:59 PM
Cloud cover
68%
11th clearest
Wind
9 km/h
8th windiest
Solar energy
6.02 kWh/m²
Travel score
3.5
out of 10

Osvaldo Cruz is 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 31°C through the month.

A typical December day in Osvaldo Cruz 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 28°C and 34°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How December really feels in Osvaldo Cruz

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Osvaldo Cruz weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°23221.213.23.4
Feb31° / 22°17518.412.73.5
Mar31° / 21°13215.912.24.1
Apr30° / 20°647.611.55.5
May27° / 17°626.2117.2
Jun26° / 16°394.310.77.8
Jul27° / 15°263.510.87.9
Aug29° / 17°283.411.36.5
Sep31° / 19°757.611.95.1
Oct31° / 20°11511.912.54.2
Nov31° / 21°13914.5133.9
Dec31° / 22°17218.813.33.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23763
33565
43565
53466
63466
73367
83466
93466
103367
113565
123565
133664
143763
153862
163862
173961
184060
194159
204159
214159
224060
234060
243961
253862
263664
273664
283565
293466
303466
313268

Chance of precipitation in December

Any precipitation

Osvaldo Cruz gets around 172 mm of rain over 18.8 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 61% and peaks near 67% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
156
257
358
459
559
660
760
860
960
1060
1160
1260
1359
1459
1559
1659
1759
1859
1959
2059
2160
2261
2362
2463
2564
2665
2765
2866
2966
3067
3167

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
127193439
226183441
325173443
425163444
514153445
614143447
714133447
814133448
914123449
1013123449
1113123450
1213123450
1313123450
1403123550
1503113551
1603113551
1703113650
1803113650
1902113651
2002103652
2102103652
220293653
230193654
240193654
250183556
260183556
270083458
280073360
290073360
300073261
310073261

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
278calm
288calm
298calm
308calm
318calm

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 6:36 AM to 6:47 AM, and sunset from 7:50 PM to 8:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:367:50
213.26:367:51
313.36:367:52
413.36:377:52
513.36:377:53
613.36:377:53
713.36:377:54
813.36:377:55
913.36:387:55
1013.36:387:56
1113.36:387:57
1213.36:397:57
1313.36:397:58
1413.36:397:58
1513.36:407:59
1613.36:407:59
1713.36:408:00
1813.36:418:00
1913.36:418:01
2013.36:428:01
2113.36:428:02
2213.36:438:02
2313.36:438:03
2413.36:448:03
2513.36:448:04
2613.36:458:04
2713.36:458:05
2813.36:468:05
2913.36:468:05
3013.36:478:06
3113.36:478:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.02 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 6.15 kWh/m² in November across the year — December's 6.02 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Intense
56.0Intense
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.0Intense
256.0Intense
266.0Intense
276.0Bright
286.0Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in December

Hazard calendar for Osvaldo Cruz

In seasonPeak

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

Osvaldo Cruz'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 Osvaldo Cruz?

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

3.5
Sightseeing
10th-best month of the year
5.2
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Osvaldo Cruz.

What to pack for Osvaldo Cruz in December

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

In December, Osvaldo Cruz sees daytime highs around 31°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Osvaldo Cruz in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Osvaldo Cruz peaks around January 21 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 highExtremeJan 21UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec13Extreme

Air quality in Osvaldo Cruz 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 Osvaldo Cruz is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1718 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May9Good
Jun8Good
Jul8Good
Aug12Good
Sep19Moderate
Oct13Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Osvaldo Cruz?

Osvaldo Cruz sits at 21.8°S, 50.9°W, 465 m above sea level, in Brazil. The nearest listed city is Lucélia, 17 km away.

Topography around Osvaldo Cruz

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

Within 3 km, the terrain around Osvaldo Cruz has only modest variations in elevation — a maximum elevation change of 101 m around an average of 447 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 188 m; within 80 km, significant variations in elevation — a maximum elevation change of 358 m.

The land around Osvaldo Cruz is covered by grassland (42%), trees (23%) and artificial surfaces (23%) within 3 km, grassland (44%) and cropland (38%) within 16 km, and cropland (52%) and grassland (36%) within 80 km.

3 km
101 m
16 km
188 m
80 km
358 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Lucélia 17 km · Bastos 20 km · Adamantina 24 km · Tupã 41 km · Rancharia 48 km · Martinópolis 49 km · Valparaíso 63 km · Presidente Prudente 64 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 Osvaldo Cruz (-21.7967°, -50.8786°, elevation 465 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).