Cruz Alta weather in December

In December, Cruz Alta sees average daytime highs of 29°C and overnight lows near 18°C, with 172 mm of rain across 13.2 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 36% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 42 min at the start of December to 13 h 48 min by month's end. Set against the rest of the year, December is Cruz Alta's 6th-clearest and 7th-windiest month. For the whole year in context, see Cruz Alta's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
172 mm
13.2 wet days
Daylight
13 h 48 min
6:36 AM – 8:25 PM
Cloud cover
56%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
6.6 kWh/m²
Travel score
5.1
out of 10

Cruz Alta 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 29°C through the month.

A typical December day in Cruz Alta reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12917
22917
32917
42918
52918
62918
72918
82918
92918
102918
112918
122918
132918
142918
152918
162918
172918
182919
192919
202919
213019
223019
233019
243019
253019
263019
273019
283019
293019
303019
313019

Cruz Alta weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°16615.113.64.7
Feb29° / 19°14514.4135.0
Mar28° / 18°13512.112.26.0
Apr25° / 15°15210.211.36.8
May21° / 12°1318.810.66.7
Jun19° / 10°1361010.26.2
Jul19° / 1521010.46.2
Aug21° / 11°1149116.8
Sep23° / 12°15111.111.86.6
Oct25° / 15°22713.512.76.3
Nov27° / 16°15611.213.46.2
Dec29° / 18°17213.213.85.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35446
45347
55347
65347
75347
85347
95347
105446
115446
125347
135446
145446
155545
165446
175446
185446
195446
205446
215446
225347
235347
245347
255248
265248
275149
285149
295248
305248
315248

Chance of precipitation in December

Any precipitation

Cruz Alta gets around 172 mm of rain over 13.2 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 42% and peaks near 47% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
139
239
339
439
540
640
740
840
940
1040
1140
1240
1340
1440
1541
1641
1741
1842
1942
2043
2143
2244
2344
2445
2545
2646
2746
2846
2946
3046
3147

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1152531263
2152531273
3142531273
4142431283
5142430293
6132430303
7132430313
8122330313
9122330323
10112330334
11112330334
12102229344
13102229345
14102129355
1592129356
1692029367
1792028367
1881928368
19819283610
20818273611
21718273612
22717273613
23617263714
24616263715
25516263716
26515263718
27415263719
28414263620
29314263620
30313263621
31313273622

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 42 min at the start of December to 13 h 48 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 6:33 AM to 6:44 AM, and sunset from 8:15 PM to 8:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.76:338:15
213.76:338:16
313.76:338:16
413.76:348:17
513.76:348:18
613.76:348:19
713.86:348:19
813.86:348:20
913.86:348:21
1013.86:348:21
1113.86:358:22
1213.86:358:23
1313.86:358:23
1413.86:358:24
1513.86:368:24
1613.86:368:25
1713.86:368:26
1813.86:378:26
1913.86:378:27
2013.86:388:27
2113.86:388:28
2213.86:398:28
2313.86:398:29
2413.86:408:29
2513.86:408:30
2613.86:418:30
2713.86:418:30
2813.86:428:31
2913.86:428:31
3013.86:438:31
3113.86:448:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.6 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.55 kWh/m² to a high of 6.6 kWh/m² in December across the year — December's 6.6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in December

Is December a good time to visit Cruz Alta?

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

5.1
Sightseeing
10th-best month of the year
6.6
Beach & pool
1st-best month of the year

December is a reasonable time to visit Cruz Alta for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Cruz Alta in December

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

In December, Cruz Alta sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Cruz Alta 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 Cruz Alta peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 20UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov12Extreme
Dec13Extreme

Air quality in Cruz Alta 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 Cruz Alta is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1514 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May6Good
Jun6Good
Jul7Good
Aug10Good
Sep15Moderate
Oct9Good
Nov7Good
Dec6Good
Location & terrain

Where is Cruz Alta?

Cruz Alta sits at 28.6°S, 53.6°W, 475 m above sea level, in Brazil. The nearest listed city is Panambi, 40 km away.

Topography around Cruz Alta

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

Within 3 km, the terrain around Cruz Alta has only modest variations in elevation — a maximum elevation change of 79 m around an average of 444 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 141 m; within 80 km, significant variations in elevation — a maximum elevation change of 546 m.

The land around Cruz Alta is covered by artificial surfaces (34%), trees (27%) and cropland (22%) within 3 km, cropland (77%) within 16 km, and cropland (79%) within 80 km.

3 km
79 m
16 km
141 m
80 km
546 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Panambi 40 km · Ijuí 41 km · Ibirubá 50 km · Tupanciretã 53 km · Júlio de Castilhos 65 km · Espumoso 74 km · Santo Ângelo 75 km · Não-Me-Toque 79 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 Cruz Alta (-28.644°, -53.6063°, elevation 475 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).