Salto do Lontra weather in December

In December, Salto do Lontra sees average daytime highs of 29°C and overnight lows near 19°C, with 182 mm of rain across 16.3 wet days and about 13.6 hours of daylight. It is the 3rd-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 32% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 30 min at the start of December to 13 h 36 min by month's end. Set against the rest of the year, December is Salto do Lontra's 10th-clearest and 8th-windiest month. For the whole year in context, see Salto do Lontra's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
182 mm
16.3 wet days
Daylight
13 h 36 min
6:41 AM – 8:17 PM
Cloud cover
60%
10th clearest
Wind
9 km/h
8th windiest
Solar energy
6.35 kWh/m²
Travel score
4.6
out of 10

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 Salto do Lontra reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°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)
12919
22919
32919
42919
52919
62919
72919
82919
92919
102919
112919
122919
132919
142919
152919
162919
172919
182919
192919
202919
212919
222920
232920
243020
253020
263020
273020
283020
293020
303020
313020

Salto do Lontra 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
Jan30° / 20°15616.813.44.3
Feb29° / 20°15015.612.94.5
Mar29° / 19°12012.912.25.3
Apr26° / 17°1249.711.46.7
May23° / 13°1539.510.87.0
Jun22° / 12°1499.210.46.7
Jul22° / 11°1178.710.67.0
Aug24° / 13°1007.111.17.7
Sep26° / 15°16210.211.86.9
Oct27° / 17°21214.412.65.9
Nov28° / 18°15912.313.35.7
Dec29° / 19°18216.313.64.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34753
44753
54852
64753
74852
84951
94852
104951
114951
124951
135050
145050
155050
165050
175050
185050
195050
205050
215050
225050
234852
244852
254654
264654
274654
284654
294654
304654
314555

Chance of precipitation in December

Any precipitation

Salto do Lontra gets around 182 mm of rain over 16.3 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 52% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
146
246
347
447
548
648
748
849
949
1049
1150
1250
1350
1450
1551
1651
1751
1852
1952
2053
2154
2254
2355
2456
2556
2657
2757
2857
2957
3056
3156

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
151327478
251326489
341226489
4412254910
5411254910
6411255010
7411245011
8411245011
9311245012
10310235212
11310235212
12310235113
13210235213
14210235114
15210235114
16110235115
1719235116
1819235017
1919234918
2019224920
2118224821
2218214822
2318214724
2417204725
2517204627
2606194628
2706194629
2806194630
2905184630
3005184531
3105184532

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 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
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 30 min at the start of December to 13 h 36 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 6:38 AM to 6:49 AM, and sunset from 8:08 PM to 8:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.56:388:08
213.56:388:09
313.56:388:09
413.56:388:10
513.56:398:11
613.56:398:11
713.66:398:12
813.66:398:13
913.66:398:13
1013.66:398:14
1113.66:408:15
1213.66:408:15
1313.66:408:16
1413.66:418:16
1513.66:418:17
1613.66:418:17
1713.66:428:18
1813.66:428:19
1913.66:438:19
2013.66:438:20
2113.66:438:20
2213.66:448:21
2313.66:448:21
2413.66:458:21
2513.66:458:22
2613.66:468:22
2713.66:468:23
2813.66:478:23
2913.66:488:23
3013.66:488:24
3113.66:498:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.35 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.89 kWh/m² to a high of 6.35 kWh/m² in December across the year — December's 6.35 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
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in December

Is December a good time to visit Salto do Lontra?

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

4.6
Sightseeing
10th-best month of the year
6.1
Beach & pool
6th-best month of the year

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

What to pack for Salto do Lontra in December

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

In December, Salto do Lontra sees daytime highs around 29°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Salto do Lontra 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 Salto do Lontra peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 21UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep7Very high
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Salto do Lontra 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 Salto do Lontra is worst in September — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1619 µg/m³Mar 136 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr8Good
May7Good
Jun7Good
Jul9Good
Aug12Moderate
Sep20Moderate
Oct13Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Salto do Lontra?

Salto do Lontra sits at 25.8°S, 53.3°W, 456 m above sea level, in Brazil. The nearest listed city is Ampére, 22 km away.

Topography around Salto do Lontra

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

Within 3 km, the terrain around Salto do Lontra has only modest variations in elevation — a maximum elevation change of 200 m around an average of 490 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 425 m; within 80 km, large variations in elevation — a maximum elevation change of 763 m.

The land around Salto do Lontra is covered by trees (45%) and cropland (31%) within 3 km, trees (40%), cropland (40%) and grassland (20%) within 16 km, and trees (48%) and cropland (34%) within 80 km.

3 km
200 m
16 km
425 m
80 km
763 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Ampére 22 km · Realeza 22 km · Dois Vizinhos 26 km · Francisco Beltrão 42 km · Marmeleiro 49 km · Capanema 52 km · Santo Antônio do Sudoeste 53 km · Quedas do Iguaçu 55 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 Salto do Lontra (-25.7839°, -53.3086°, elevation 456 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).