São Francisco weather in December

In December, São Francisco sees average daytime highs of 31°C and overnight lows near 22°C, with 176 mm of rain across 16.7 wet days and about 12.9 hours of daylight. It is the 9th-warmest and 1st-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 muggy.

Daylight stretches from about 12 h 54 min at the start of December to 12 h 54 min by month's end. Set against the rest of the year, December is São Francisco's 12th-clearest and 11th-windiest month. For the whole year in context, see São Francisco's year-round climate.

Daytime high
31°
9th warmest
Overnight low
22°
7th coldest
Rainfall
176 mm
16.7 wet days
Daylight
12 h 54 min
6:27 AM – 7:24 PM
Cloud cover
73%
12th clearest
Wind
7 km/h
11th windiest
Solar energy
5.86 kWh/m²
Travel score
3.8
out of 10

São Francisco is town in Minas Gerais, 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 São Francisco reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How December really feels in São Francisco

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.

São Francisco weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°13814.212.84.0
Feb31° / 22°1031212.54.0
Mar31° / 22°12313.412.14.1
Apr31° / 21°436.711.74.9
May30° / 20°112.211.35.8
Jun30° / 19°20.411.16.5
Jul30° / 18°0011.16.6
Aug31° / 19°20.411.55.7
Sep33° / 21°101.811.94.1
Oct34° / 22°637.412.43.4
Nov31° / 22°16615.912.73.7
Dec31° / 22°17616.712.93.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32377
42278
52278
62278
72377
82377
92476
102575
112575
122674
132674
142773
152872
162872
172971
183070
193268
203367
213268
223367
233367
243367
253466
263466
273466
283367
293367
303367
313367

Chance of precipitation in December

Any precipitation

São Francisco gets around 176 mm of rain over 16.7 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 54% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
158
258
358
458
558
658
758
858
958
1059
1158
1258
1358
1457
1556
1655
1754
1853
1953
2052
2151
2250
2350
2449
2549
2649
2749
2849
2950
3050
3150

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
13215224
23205225
33195226
43195028
53185029
63185030
73174931
83174931
93174832
103174832
113174832
123174832
133184831
143184930
153194929
162195128
172205127
182215126
192215225
202215324
212225323
222225422
232225422
242225521
252225521
262225521
272225521
282225521
292215522
303215422
313205423

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
47calm
57calm
67calm
77calm
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 12 h 54 min at the start of December to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:23 AM to 6:35 AM, and sunset from 7:16 PM to 7:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:237:16
212.96:237:16
312.96:237:17
412.96:237:17
512.96:247:18
612.96:247:18
712.96:247:19
812.96:247:20
912.96:257:20
1012.96:257:21
1112.96:257:21
1212.96:267:22
1312.96:267:22
1412.96:277:23
1512.96:277:23
1612.96:277:24
1712.96:287:24
1812.96:287:25
1912.96:297:25
2012.96:297:26
2112.96:297:26
2212.96:307:27
2312.96:307:27
2412.96:317:28
2512.96:317:28
2612.96:327:29
2712.96:327:29
2812.96:337:30
2912.96:337:30
3012.96:347:30
3112.96:357:31

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.86 kWh/m².

For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 6.4 kWh/m² in October across the year — December's 5.86 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
185.9Bright
196.0Bright
206.0Intense
216.0Intense
226.0Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Hazard calendar for São Francisco

In seasonPeak

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

São Francisco'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 São Francisco?

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

3.8
Sightseeing
10th-best month of the year
5.5
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in São Francisco.

What to pack for São Francisco in December

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

In December, São Francisco sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in São Francisco in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Francisco peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jul 11UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is São Francisco?

São Francisco sits at 15.9°S, 44.9°W, 465 m above sea level, in Brazil. The nearest listed city is Brasília de Minas, 54 km away.

Topography around São Francisco

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

Within 3 km, the terrain around São Francisco has only modest variations in elevation — a maximum elevation change of 68 m around an average of 473 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 258 m; within 80 km, significant variations in elevation — a maximum elevation change of 474 m.

The land around São Francisco is covered by grassland (27%) and artificial surfaces (20%) within 3 km, shrubs (34%), grassland (28%) and trees (24%) within 16 km, and shrubs (49%), grassland (24%) and trees (23%) within 80 km.

3 km
68 m
16 km
258 m
80 km
474 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Brasília de Minas 54 km · Januária 75 km · São João da Ponte 92 km · Varzelândia 94 km · Urucuia 96 km · Coração de Jesus 98 km · Itacarambi 125 km · Arinos 133 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 São Francisco (-15.9486°, -44.8644°, elevation 465 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).