Santa Fé do Sul weather in December

In December, Santa Fé do Sul sees average daytime highs of 31°C and overnight lows near 23°C, with 209 mm of rain across 21.3 wet days and about 13.2 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 17% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 06 min at the start of December to 13 h 12 min by month's end. Set against the rest of the year, December is Santa Fé do Sul's 11th-clearest and 8th-windiest month. For the whole year in context, see Santa Fé do Sul's year-round climate.

Daytime high
31°
4th warmest
Overnight low
23°
10th coldest
Rainfall
209 mm
21.3 wet days
Daylight
13 h 12 min
6:43 AM – 7:56 PM
Cloud cover
70%
11th clearest
Wind
8 km/h
8th windiest
Solar energy
6.02 kWh/m²
Travel score
3.3
out of 10

Santa Fé do Sul 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 31°C through the month.

A typical December day in Santa Fé do Sul reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Santa Fé do Sul

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Santa Fé do Sul 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
Jan31° / 23°24622.513.13.3
Feb31° / 23°19120.312.73.3
Mar31° / 23°17219.712.13.7
Apr30° / 21°658.811.65.1
May28° / 18°445.411.16.9
Jun28° / 17°20310.87.5
Jul29° / 17°12210.97.1
Aug31° / 18°172.611.35.8
Sep32° / 20°556.411.94.4
Oct32° / 22°10512.912.53.6
Nov32° / 22°15517133.5
Dec31° / 23°20921.313.23.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23466
33268
43169
52971
62971
72971
82872
92872
102872
112971
122971
133070
143268
153268
163466
173466
183664
193664
203763
213664
223763
233763
243763
253664
263565
273466
283466
293367
303268
313169

Chance of precipitation in December

Any precipitation

Santa Fé do Sul gets around 209 mm of rain over 21.3 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 69% and peaks near 72% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
167
268
369
470
570
671
771
871
971
1070
1170
1270
1370
1469
1569
1669
1768
1868
1968
2067
2167
2267
2368
2468
2568
2669
2769
2870
2971
3071
3172

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13823660
22723680
32622700
42621710
52521720
62521720
72420740
81420750
91420750
101320760
111321750
121321750
130321760
140222760
150222760
160222760
170222760
180222760
190222760
200121780
210121780
220120790
230120790
240119800
250118801
260117811
270116821
280115831
290114841
300114841
310113851

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 06 min at the start of December to 13 h 12 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 6:39 AM to 6:51 AM, and sunset from 7:48 PM to 8:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:397:48
213.16:407:48
313.26:407:49
413.26:407:49
513.26:407:50
613.26:407:51
713.26:407:51
813.26:417:52
913.26:417:52
1013.26:417:53
1113.26:427:54
1213.26:427:54
1313.26:427:55
1413.26:437:55
1513.26:437:56
1613.26:437:56
1713.26:447:57
1813.26:447:57
1913.26:457:58
2013.26:457:58
2113.26:457:59
2213.26:467:59
2313.26:468:00
2413.26:478:00
2513.26:478:01
2613.26:488:01
2713.26:488:02
2813.26:498:02
2913.26:508:02
3013.26:508:03
3113.26:518:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.02 kWh/m².

For context, solar energy here swings from a low near 3.93 kWh/m² to a high of 6.19 kWh/m² in November across the year — December's 6.02 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Intense
56.0Intense
66.0Bright
76.0Bright
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
136.0Bright
146.0Bright
156.0Bright
166.0Bright
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in December

Hazard calendar for Santa Fé do Sul

In seasonPeak

In December, Santa Fé do Sul sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Santa Fé do Sul's monsoon runs November–March, when most of the year's rain falls.

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

Is December a good time to visit Santa Fé do Sul?

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

3.3
Sightseeing
10th-best month of the year
4.8
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Santa Fé do Sul.

What to pack for Santa Fé do Sul in December

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

In December, Santa Fé do Sul sees daytime highs around 31°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Santa Fé do Sul 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 Santa Fé do Sul peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jun 22UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Santa Fé do Sul 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 Santa Fé do Sul is worst in September — around 18 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (July, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1717 µg/m³Jul 125 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun6Good
Jul5Good
Aug9Good
Sep18Moderate
Oct12Good
Nov6Good
Dec6Good
Location & terrain

Where is Santa Fé do Sul?

Santa Fé do Sul sits at 20.2°S, 50.9°W, 402 m above sea level, in Brazil. The nearest listed city is Aparecida do Taboado, 22 km away.

Topography around Santa Fé do Sul

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Fé do Sul.

Within 3 km, the terrain around Santa Fé do Sul has only modest variations in elevation — a maximum elevation change of 110 m around an average of 386 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 176 m; within 80 km, significant variations in elevation — a maximum elevation change of 274 m.

The land around Santa Fé do Sul is covered by grassland (41%) and artificial surfaces (28%) within 3 km, grassland (45%) and cropland (23%) within 16 km, and cropland (40%) and grassland (36%) within 80 km.

3 km
110 m
16 km
176 m
80 km
274 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Aparecida do Taboado 22 km · Jales 40 km · Ilha Solteira 50 km · Pereira Barreto 51 km · Paranaíba 66 km · Fernandópolis 71 km · Andradina 90 km · Iturama 93 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 Santa Fé do Sul (-20.2111°, -50.9258°, elevation 402 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).