Lapa weather in December

In December, Lapa sees average daytime highs of 26°C and overnight lows near 17°C, with 168 mm of rain across 18.1 wet days and about 13.6 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 14% of the time in December, and the air most often feels humid.

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 Lapa's 9th-clearest and 6th-windiest month. For the whole year in context, see Lapa's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
17°
10th coldest
Rainfall
168 mm
18.1 wet days
Daylight
13 h 36 min
6:27 AM – 8:03 PM
Cloud cover
72%
9th clearest
Wind
11 km/h
6th windiest
Solar energy
5.75 kWh/m²
Travel score
5.3
out of 10

Lapa is human 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 26°C through the month.

A typical December day in Lapa reaches about 26°C in the afternoon and slips back to 17°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 30°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72617
82617
92617
102617
112617
122617
132617
142617
152617
162617
172617
182617
192617
202617
212617
222617
232617
242617
252618
262618
272718
282718
292718
302718
312718

Lapa 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
Jan27° / 18°2032113.44.8
Feb27° / 18°17618.712.94.9
Mar26° / 17°12015.612.25.8
Apr24° / 15°788.911.46.9
May21° / 12°998.510.86.5
Jun20° / 11°1129.110.46.3
Jul19° / 10°917.810.66.6
Aug21° / 11°877.911.17.0
Sep22° / 12°1451111.86.4
Oct23° / 14°15014.812.65.9
Nov25° / 15°13214.213.36.0
Dec26° / 17°16818.113.65.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23268
33268
43268
53169
63169
73169
83070
93169
103169
113070
123070
133268
143268
153268
163268
173268
183268
193268
203268
213268
223268
233268
243169
253070
263070
272971
282971
292872
302872
312773

Chance of precipitation in December

Any precipitation

Lapa gets around 168 mm of rain over 18.1 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 59% and peaks near 65% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
152
253
353
454
554
654
755
855
956
1056
1156
1257
1357
1458
1558
1659
1759
1860
1960
2061
2161
2261
2362
2462
2563
2663
2764
2864
2964
3065
3165

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
110294318
210284319
39284419
49274420
58274520
68264521
78254522
88254522
97244623
107234624
117234624
127224625
137214626
147214627
156204528
166204529
176194431
186194332
195194233
205194235
215194136
224184038
234183939
243183841
253183742
263183643
272183644
282173545
292173546
302173447
312163448

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 6:24 AM to 6:34 AM, and sunset from 7:53 PM to 8:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.56:247:53
213.56:247:54
313.56:247:55
413.56:247:56
513.56:247:56
613.56:247:57
713.66:257:58
813.66:257:58
913.66:257:59
1013.66:257:59
1113.66:258:00
1213.66:268:01
1313.66:268:01
1413.66:268:02
1513.66:278:02
1613.66:278:03
1713.66:278:04
1813.66:288:04
1913.66:288:05
2013.66:298:05
2113.66:298:06
2213.66:308:06
2313.66:308:07
2413.66:308:07
2513.66:318:07
2613.66:328:08
2713.66:328:08
2813.66:338:09
2913.66:338:09
3013.66:348:09
3113.66:348:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.75 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.83 kWh/m² to a high of 5.75 kWh/m² in December across the year — December's 5.75 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in December

Is December a good time to visit Lapa?

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

5.3
Sightseeing
10th-best month of the year
5.1
Beach & pool
4th-best month of the year

December is a reasonable time to visit Lapa for sightseeing.

What to pack for Lapa in December

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

In December, Lapa sees daytime highs around 26°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

UV index in Lapa in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lapa peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 18UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun6High
Jul5High
Aug7High
Sep7Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Lapa 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 Lapa is worst in September — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1118 µg/m³Dec 2110 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun14Moderate
Jul16Moderate
Aug17Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Lapa?

Lapa sits at 25.8°S, 49.7°W, 929 m above sea level, in Brazil. The nearest listed city is Contenda, 21 km away.

Topography around Lapa

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

Within 3 km, the terrain around Lapa has only modest variations in elevation — a maximum elevation change of 192 m around an average of 911 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 239 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,528 m.

The land around Lapa is covered by trees (43%) and grassland (24%) within 3 km, trees (46%) and cropland (39%) within 16 km, and trees (64%) and cropland (24%) within 80 km.

3 km
192 m
16 km
239 m
80 km
1,528 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Contenda 21 km · Quitandinha 25 km · Araucária 36 km · Rio Negro 38 km · Mafra 39 km · Mandirituba 39 km · Campo Largo 39 km · Fazenda Rio Grande 43 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 Lapa (-25.7697°, -49.7158°, elevation 929 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).