Cachoeira Paulista weather in December

In December, Cachoeira Paulista sees average daytime highs of 27°C and overnight lows near 19°C, with 185 mm of rain across 20.1 wet days and about 13.4 hours of daylight. It is the 3rd-warmest and 2nd-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 13% 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 Cachoeira Paulista's 11th-clearest and 5th-windiest month. For the whole year in context, see Cachoeira Paulista's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
185 mm
20.1 wet days
Daylight
13 h 24 min
6:15 AM – 7:38 PM
Cloud cover
74%
11th clearest
Wind
5 km/h
5th windiest
Solar energy
5.56 kWh/m²
Travel score
4.8
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 Cachoeira Paulista reaches about 27°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 31°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)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102719
112719
122719
132719
142719
152719
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

Cachoeira Paulista 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
Jan28° / 19°21821.713.24.5
Feb28° / 19°14417.412.84.6
Mar27° / 18°13517.812.25.3
Apr26° / 17°549.111.56.8
May24° / 14°427.110.97.4
Jun23° / 13°255.110.67.8
Jul23° / 12°294.810.87.9
Aug24° / 13°28511.28.1
Sep26° / 15°669.311.96.9
Oct26° / 17°991412.55.9
Nov26° / 18°14317.413.15.3
Dec27° / 19°18520.113.44.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23070
32971
42971
52872
62872
72773
82773
92773
102773
112674
122674
132773
142773
152773
162773
172773
182872
192872
202872
212872
222872
232872
242872
252971
262773
272674
282575
292575
302575
312476

Chance of precipitation in December

Any precipitation

Cachoeira Paulista gets around 185 mm of rain over 20.1 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 66% and peaks near 70% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
160
260
360
460
561
661
761
862
962
1063
1163
1264
1365
1465
1566
1666
1767
1867
1968
2068
2169
2269
2369
2469
2569
2670
2770
2870
2970
3070
3170

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 52% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
1145234
2135136
3125137
4124939
5114841
6114742
7104644
8104546
994447
1094349
1184250
1284151
1374152
1474053
1564054
1663955
1763955
1853956
1953956
2053956
2153956
2243957
2343858
2443858
2543759
2633760
2733661
2833661
2933562
3033562
3133463

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:11 AM to 6:22 AM, and sunset from 7:28 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:117:28
213.36:117:29
313.36:117:30
413.36:117:30
513.36:127:31
613.36:127:32
713.36:127:32
813.36:127:33
913.46:127:34
1013.46:137:34
1113.46:137:35
1213.46:137:35
1313.46:147:36
1413.46:147:37
1513.46:147:37
1613.46:157:38
1713.46:157:38
1813.46:167:39
1913.46:167:39
2013.46:167:40
2113.46:177:40
2213.46:177:41
2313.46:187:41
2413.46:187:42
2513.46:197:42
2613.46:197:43
2713.46:207:43
2813.46:207:43
2913.46:217:44
3013.46:217:44
3113.46:227:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.56 kWh/m².

For context, solar energy here swings from a low near 3.54 kWh/m² to a high of 5.61 kWh/m² in February across the year — December's 5.56 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
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in December

Hazard calendar for Cachoeira Paulista

In seasonPeak

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

Cachoeira Paulista'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 Cachoeira Paulista?

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

4.8
Sightseeing
10th-best month of the year
5.0
Beach & pool
11th-best month of the year

December is a reasonable time to visit Cachoeira Paulista for sightseeing.

What to pack for Cachoeira Paulista in December

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

In December, Cachoeira Paulista sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Cachoeira Paulista 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 65 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°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Warm
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep22Refreshing
Oct23Refreshing
Nov23Refreshing
Dec25Warm

UV index in Cachoeira Paulista in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cachoeira Paulista peaks around January 24 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 24UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep7Very high
Oct12Extreme
Nov14Extreme
Dec15Extreme

Air quality in Cachoeira Paulista 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 Cachoeira Paulista is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Dec 209 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun13Moderate
Jul13Moderate
Aug14Moderate
Sep19Moderate
Oct13Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Cachoeira Paulista?

Cachoeira Paulista sits at 22.7°S, 45.0°W, 526 m above sea level, in Brazil. The nearest listed city is Cruzeiro, 11 km away.

Topography around Cachoeira Paulista

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

Within 3 km, the terrain around Cachoeira Paulista has only modest variations in elevation — a maximum elevation change of 149 m around an average of 549 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 699 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,761 m.

The land around Cachoeira Paulista is covered by grassland (50%) and trees (24%) within 3 km, grassland (56%) and trees (34%) within 16 km, and trees (52%) and grassland (40%) within 80 km.

3 km
149 m
16 km
699 m
80 km
2,761 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Cruzeiro 11 km · Lorena 14 km · Guaratinguetá 25 km · Aparecida 30 km · Passa Quatro 31 km · Potim 32 km · Itanhandu 42 km · Cunha 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 Cachoeira Paulista (-22.665°, -45.0094°, elevation 526 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).