Cachoeirinha weather in December

In December, Cachoeirinha sees average daytime highs of 30°C and overnight lows near 20°C, with 14 mm of rain across 4.4 wet days and about 12.5 hours of daylight. It is the 1st-warmest and 9th-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 35% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Cachoeirinha's 3rd-clearest and 7th-windiest month. For the whole year in context, see Cachoeirinha's year-round climate.

Daytime high
30°
1st warmest
Overnight low
20°
8th coldest
Rainfall
14 mm
4.4 wet days
Daylight
12 h 30 min
5:06 AM – 5:36 PM
Cloud cover
53%
3rd clearest
Wind
12 km/h
7th windiest
Solar energy
6.27 kWh/m²
Travel score
5.6
out of 10

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 Cachoeirinha reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)
13020
23020
33020
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020
313020

Cachoeirinha weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°318.812.45.3
Feb30° / 20°318.512.35.2
Mar30° / 21°3910.612.15.1
Apr29° / 20°3610.511.85.5
May27° / 20°379.611.66.5
Jun25° / 19°368.211.56.9
Jul25° / 18°268.711.67.0
Aug25° / 18°186.411.77.2
Sep27° / 18°114.3127.4
Oct29° / 19°92.612.26.7
Nov30° / 19°92.912.46.0
Dec30° / 20°144.412.55.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36238
46238
56238
66337
76337
86337
96337
106337
116337
126337
136337
146337
156238
166238
176238
186139
196139
206040
215941
225941
235842
245941
255842
265842
275842
285842
295842
305743
315743

Chance of precipitation in December

Any precipitation

Cachoeirinha gets around 14 mm of rain over 4.4 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 14% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
19
29
39
49
510
610
711
811
912
1013
1113
1214
1315
1415
1516
1616
1716
1817
1917
2017
2117
2217
2317
2417
2516
2616
2716
2816
2916
3017
3117

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)
16040
26139
36139
46040
56040
66040
75941
85842
95743
105644
115545
125446
135347
145149
155050
164951
174852
184753
194654
204555
214456
224357
234357
244258
254258
264159
274159
284159
294060
304060
313961

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
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:01 AM to 5:13 AM, and sunset from 5:28 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:015:28
212.55:015:29
312.55:015:29
412.55:025:30
512.55:025:30
612.55:025:31
712.55:035:31
812.55:035:32
912.55:045:32
1012.55:045:33
1112.55:045:33
1212.55:055:34
1312.55:055:34
1412.55:055:35
1512.55:065:35
1612.55:065:36
1712.55:075:36
1812.55:075:37
1912.55:085:37
2012.55:085:38
2112.55:095:38
2212.55:095:39
2312.55:105:39
2412.55:105:40
2512.55:105:40
2612.55:115:41
2712.55:115:41
2812.55:125:41
2912.55:125:42
3012.55:135:42
3112.55:135:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.27 kWh/m².

For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 6.36 kWh/m² in November across the year — December's 6.27 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Is December a good time to visit Cachoeirinha?

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

5.6
Sightseeing
8th-best month of the year
7.8
Beach & pool
3rd-best month of the year

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

What to pack for Cachoeirinha in December

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

In December, Cachoeirinha sees daytime highs around 30°C and nights near 20°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Cachoeirinha in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cachoeirinha peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 14UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Cachoeirinha?

Cachoeirinha sits at 8.5°S, 36.2°W, 530 m above sea level, in Brazil. The nearest listed city is Altinho, 19 km away.

Topography around Cachoeirinha

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

Within 3 km, the terrain around Cachoeirinha has only modest variations in elevation — a maximum elevation change of 49 m around an average of 544 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 419 m; within 80 km, large variations in elevation — a maximum elevation change of 1,097 m.

The land around Cachoeirinha is covered by cropland (60%) and grassland (32%) within 3 km, grassland (49%) and cropland (37%) within 16 km, and grassland (56%) and shrubs (23%) within 80 km.

3 km
49 m
16 km
419 m
80 km
1,097 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Altinho 19 km · São Caitano 20 km · Lajedo 22 km · São Bento do Una 24 km · Belo Jardim 27 km · Panelas 32 km · Agrestina 32 km · Jupi 32 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 Cachoeirinha (-8.4864°, -36.2331°, elevation 530 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).