Salesópolis weather in December

In December, Salesópolis sees average daytime highs of 27°C and overnight lows near 19°C, with 206 mm of rain across 22.6 wet days and about 13.4 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. 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 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 Salesópolis's 10th-clearest and 4th-windiest month. For the whole year in context, see Salesópolis's year-round climate.

Daytime high
27°
4th warmest
Overnight low
19°
10th coldest
Rainfall
206 mm
22.6 wet days
Daylight
13 h 24 min
6:16 AM – 7:43 PM
Cloud cover
76%
10th clearest
Wind
7 km/h
4th windiest
Solar energy
5.55 kWh/m²
Travel score
4.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Salesópolis reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°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)
12618
22618
32619
42619
52619
62619
72619
82619
92619
102619
112619
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252720
262720
272720
282720
292720
302720
312720

Salesópolis weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°28025.913.34.0
Feb28° / 20°20922.412.84.2
Mar27° / 19°1902312.24.6
Apr25° / 18°8613.511.56.2
May23° / 15°7410.510.96.7
Jun22° / 14°496.910.67.3
Jul22° / 13°596.710.77.4
Aug23° / 13°456.511.27.5
Sep24° / 15°9211.611.96.7
Oct25° / 17°11815.412.65.8
Nov25° / 18°16019.113.15.1
Dec27° / 19°20622.613.44.5

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 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22278
32278
42278
52179
62179
72278
82278
92278
102278
112377
122377
132476
142476
152476
162476
172575
182575
192476
202575
212575
222575
232575
242476
252476
262476
272278
282278
292278
302179
312179

Chance of precipitation in December

Any precipitation

Salesópolis gets around 206 mm of rain over 22.6 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 74% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
165
266
366
466
567
667
768
868
969
1070
1171
1272
1373
1474
1574
1675
1776
1877
1977
2078
2178
2278
2378
2478
2579
2679
2779
2879
2979
3079
3179

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 74% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1834562
2733582
3732592
4731602
5630622
6629632
7528643
8527653
9526663
10526663
11425683
12424684
13423694
14323704
15322714
16322705
17321715
18321715
19320716
20220726
21219727
22219727
23218728
24217738
25117739
26117739
271167310
281167310
291167211
301157212
311157212

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:13 AM to 6:24 AM, and sunset from 7:34 PM to 7:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:137:34
213.46:137:34
313.46:137:35
413.46:137:36
513.46:137:36
613.46:137:37
713.46:147:37
813.46:147:38
913.46:147:39
1013.46:147:39
1113.46:157:40
1213.46:157:41
1313.46:157:41
1413.46:167:42
1513.46:167:42
1613.46:167:43
1713.46:177:43
1813.46:177:44
1913.46:177:44
2013.46:187:45
2113.56:187:45
2213.56:197:46
2313.56:197:46
2413.46:207:47
2513.46:207:47
2613.46:217:48
2713.46:217:48
2813.46:227:48
2913.46:227:49
3013.46:237:49
3113.46:247:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.55 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 5.55 kWh/m² in December across the year — December's 5.55 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Salesópolis

In seasonPeak

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

Salesópolis's rainy season runs November–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 Salesópolis?

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

4.5
Sightseeing
10th-best month of the year
4.5
Beach & pool
10th-best month of the year

December is a reasonable time to visit Salesópolis for sightseeing.

What to pack for Salesópolis in December

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

In December, Salesópolis sees daytime highs around 27°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

Sea temperature near Salesópolis 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 39 km away) is warmest in February at about 27°C and coldest in August near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Salesópolis 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 Salesópolis peaks around February 9 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 highExtremeFeb 9UV 15Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar11Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Salesópolis 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 Salesópolis is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2132 µg/m³Nov 2316 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr21Moderate
May27Moderate
Jun32Moderate
Jul31Moderate
Aug28Moderate
Sep28Moderate
Oct20Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Salesópolis?

Salesópolis sits at 23.5°S, 45.8°W, 787 m above sea level, in Brazil. The nearest listed city is Biritiba Mirim, 20 km away.

Topography around Salesópolis

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

Within 3 km, the terrain around Salesópolis has significant variations in elevation — a maximum elevation change of 278 m around an average of 855 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 672 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,045 m.

The land around Salesópolis is covered by trees (62%) and grassland (32%) within 3 km, trees (71%) and grassland (25%) within 16 km, and trees (46%) and water (28%) within 80 km.

3 km
278 m
16 km
672 m
80 km
2,045 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Biritiba Mirim 20 km · Guararema 23 km · Paraibuna 25 km · Jacareí 28 km · Mogi das Cruzes 35 km · São José dos Campos 39 km · Santa Isabel 45 km · Caraguatatuba 46 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 Salesópolis (-23.5291°, -45.849°, elevation 787 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).