Indaial weather in December

In December, Indaial sees average daytime highs of 27°C and overnight lows near 18°C, with 189 mm of rain across 19.8 wet days and about 13.7 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 11% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 36 min at the start of December to 13 h 42 min by month's end. Set against the rest of the year, December is Indaial's 11th-clearest and 4th-windiest month. For the whole year in context, see Indaial's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
18°
9th coldest
Rainfall
189 mm
19.8 wet days
Daylight
13 h 42 min
6:23 AM – 8:04 PM
Cloud cover
76%
11th clearest
Wind
6 km/h
4th windiest
Solar energy
5.41 kWh/m²
Travel score
4.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 28°C by the end.

A typical December day in Indaial 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 22°C and 31°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12617
22618
32618
42618
52618
62618
72618
82618
92618
102618
112718
122718
132718
142718
152718
162719
172719
182719
192719
202719
212719
222719
232719
242819
252819
262819
272819
282819
292819
302819
312819

Indaial 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
Jan28° / 20°24222.513.54.4
Feb28° / 20°21820.2134.5
Mar27° / 19°14819.212.25.1
Apr25° / 16°9611.811.46.4
May21° / 13°11211.110.76.4
Jun20° / 12°11410.310.36.1
Jul19° / 11°10410.610.56.1
Aug21° / 12°10010.111.16.4
Sep22° / 13°16813.511.85.8
Oct23° / 15°16117.312.65.4
Nov25° / 17°15518.313.35.3
Dec27° / 18°18919.813.74.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42674
52674
62575
72575
82575
92575
102575
112575
122674
132575
142674
152575
162476
172476
182476
192476
202377
212476
222476
232476
242476
252476
262476
272377
282377
292377
302377
312377

Chance of precipitation in December

Any precipitation

Indaial gets around 189 mm of rain over 19.8 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 65% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
161
260
360
460
560
660
761
861
962
1062
1163
1263
1364
1464
1565
1665
1766
1866
1966
2067
2167
2267
2367
2467
2568
2668
2768
2868
2969
3069
3169

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 64% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
121732427
221632437
321632437
421531448
521531448
621431459
721331459
8213304510
9212304611
10211304611
11210294612
12210294713
1329284714
1419284815
1518274816
1618264817
1718254818
1817244819
1917244721
2017234622
2117234624
2217224625
2316214526
2416214527
2506204429
2606204430
2706204331
2806194332
2906194233
3006194234
3105184235

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
67calm
77calm
87calm
97calm
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 36 min at the start of December to 13 h 42 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 6:20 AM to 6:30 AM, and sunset from 7:54 PM to 8:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.66:207:54
213.66:207:55
313.66:207:55
413.66:207:56
513.66:207:57
613.66:207:57
713.66:207:58
813.66:207:59
913.66:217:59
1013.76:218:00
1113.76:218:01
1213.76:218:01
1313.76:228:02
1413.76:228:02
1513.76:228:03
1613.76:238:04
1713.76:238:04
1813.76:238:05
1913.76:248:05
2013.76:248:06
2113.76:258:06
2213.76:258:07
2313.76:268:07
2413.76:268:08
2513.76:278:08
2613.76:278:08
2713.76:288:09
2813.76:288:09
2913.76:298:10
3013.76:298:10
3113.76:308:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.41 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 5.41 kWh/m² in December across the year — December's 5.41 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Is December a good time to visit Indaial?

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

4.9
Sightseeing
10th-best month of the year
4.9
Beach & pool
3rd-best month of the year

December is a reasonable time to visit Indaial for sightseeing.

What to pack for Indaial in December

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

In December, Indaial sees daytime highs around 27°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

Sea temperature near Indaial in December

The nearest coast averages about 25°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 60 km away) is warmest in February at about 27°C and coldest in August near 18°C.

It's comfortable for a long swim from Sep 30 to Jun 16 — about 8.5 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar26Warm
Apr25Warm
May22Refreshing
Jun20Refreshing
Jul18Cool
Aug18Cool
Sep19Cool
Oct21Refreshing
Nov23Refreshing
Dec25Warm

UV index in Indaial 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 Indaial peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Indaial 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 Indaial is worst in September — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 915 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun13Moderate
Jul14Moderate
Aug15Moderate
Sep15Moderate
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Indaial?

Indaial sits at 26.9°S, 49.2°W, 66 m above sea level, in Brazil. The nearest listed city is Timbó, 9.0 km away.

Topography around Indaial

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

Within 3 km, the terrain around Indaial has significant variations in elevation — a maximum elevation change of 297 m around an average of 89 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 752 m; within 80 km, large variations in elevation — a maximum elevation change of 1,180 m.

The land around Indaial is covered by trees (50%) and artificial surfaces (28%) within 3 km, trees (77%) within 16 km, and trees (74%) within 80 km.

3 km
297 m
16 km
752 m
80 km
1,180 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Timbó 9.0 km · Blumenau 17 km · Pomerode 18 km · Gaspar 27 km · Ibirama 33 km · Guabiruba 34 km · Brusque 39 km · Massaranduba 39 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 Indaial (-26.8978°, -49.2317°, elevation 66 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).