Extrema weather in December

In December, Extrema sees average daytime highs of 25°C and overnight lows near 17°C, with 284 mm of rain across 23.9 wet days and about 13.4 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 11% of the time in December, and the air most often feels humid.

Daylight stretches from about 13 h 18 min at the start of December to 13 h 24 min by month's end. Set against the rest of the year, December is Extrema's 11th-clearest and 6th-windiest month. For the whole year in context, see Extrema's year-round climate.

Daytime high
25°
4th warmest
Overnight low
17°
10th coldest
Rainfall
284 mm
23.9 wet days
Daylight
13 h 24 min
6:20 AM – 7:43 PM
Cloud cover
75%
11th clearest
Wind
8 km/h
6th windiest
Solar energy
5.54 kWh/m²
Travel score
4.6
out of 10

Extrema 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 25°C through the month.

A typical December day in Extrema reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12516
22516
32516
42517
52517
62517
72517
82517
92517
102517
112517
122517
132517
142517
152517
162517
172517
182517
192517
202517
212517
222517
232517
242517
252517
262517
272517
282517
292517
302517
312517

Extrema weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°32925.913.24.2
Feb26° / 17°25521.312.84.6
Mar25° / 17°20421.512.25.0
Apr24° / 15°8211.711.56.7
May21° / 12°697.810.97.0
Jun21° / 11°465.210.67.4
Jul21° / 10°484.510.77.6
Aug22° / 11°385.111.27.9
Sep24° / 13°10510.311.97.0
Oct24° / 15°15816.612.55.8
Nov24° / 16°20519.613.15.3
Dec25° / 17°28423.913.44.6

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 15% of December, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
42872
52773
62674
72674
82674
92674
102674
112575
122674
132674
142674
152674
162674
172674
182674
192674
202674
212773
222773
232674
242674
252575
262575
272575
282377
292377
302377
312278

Chance of precipitation in December

Any precipitation

Extrema gets around 284 mm of rain over 23.9 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 78% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
170
271
371
472
573
673
774
875
975
1076
1177
1277
1378
1478
1579
1679
1780
1880
1980
2080
2180
2280
2380
2481
2581
2681
2781
2881
2981
3081
3181

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1431578
2430588
3329599
43285910
53276010
62266111
72256211
82246311
92236312
102226412
112216512
121206712
131196812
141196812
151186912
161186912
171186912
181177012
191177012
201177012
210167113
220167113
230167113
240157114
250157114
260147214
270147115
280147115
290147016
300147016
310146917

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 18 min at the start of December to 13 h 24 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 6:16 AM to 6:27 AM, and sunset from 7:34 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:167:34
213.36:167:35
313.36:167:35
413.36:167:36
513.36:167:37
613.36:177:37
713.46:177:38
813.46:177:39
913.46:177:39
1013.46:187:40
1113.46:187:40
1213.46:187:41
1313.46:197:42
1413.46:197:42
1513.46:197:43
1613.46:207:43
1713.46:207:44
1813.46:207:44
1913.46:217:45
2013.46:217:45
2113.46:227:46
2213.46:227:46
2313.46:237:47
2413.46:237:47
2513.46:247:48
2613.46:247:48
2713.46:257:49
2813.46:257:49
2913.46:267:49
3013.46:267:50
3113.46:277:50

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.54 kWh/m².

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 5.61 kWh/m² in November across the year — December's 5.54 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in December

Hazard calendar for Extrema

In seasonPeak

In December, Extrema sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Extrema's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Extrema?

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
4.1
Beach & pool
11th-best month of the year

December is a reasonable time to visit Extrema for sightseeing.

What to pack for Extrema in December

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

In December, Extrema sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 24 days see rain.

rain gearlight clothessun protection

UV index in Extrema 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 Extrema peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 22UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Extrema 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 Extrema is worst in September — around 27 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1227 µg/m³Dec 1515 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar18Moderate
Apr21Moderate
May24Moderate
Jun25Moderate
Jul26Moderate
Aug25Moderate
Sep27Moderate
Oct20Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Extrema?

Extrema sits at 22.9°S, 46.3°W, 946 m above sea level, in Brazil. The nearest listed city is Camanducaia, 21 km away.

Topography around Extrema

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

Within 3 km, the terrain around Extrema has large variations in elevation — a maximum elevation change of 681 m around an average of 1,011 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 909 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,510 m.

The land around Extrema is covered by trees (48%) and grassland (27%) within 3 km, trees (48%) and grassland (41%) within 16 km, and trees (45%) and grassland (40%) within 80 km.

3 km
681 m
16 km
909 m
80 km
1,510 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Camanducaia 21 km · Piracaia 23 km · Bragança Paulista 26 km · Pinhalzinho 29 km · Bom Jesus dos Perdões 35 km · Socorro 36 km · Nazaré Paulista 37 km · Atibaia 38 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 Extrema (-22.8547°, -46.3183°, elevation 946 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).