São Lourenço weather in December

In December, São Lourenço sees average daytime highs of 26°C and overnight lows near 18°C, with 205 mm of rain across 20.6 wet days and about 13.3 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°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 18 min by month's end. Set against the rest of the year, December is São Lourenço's 11th-clearest and 6th-windiest month. For the whole year in context, see São Lourenço's year-round climate.

Daytime high
26°
4th warmest
Overnight low
18°
11th coldest
Rainfall
205 mm
20.6 wet days
Daylight
13 h 18 min
6:16 AM – 7:37 PM
Cloud cover
75%
11th clearest
Wind
6 km/h
6th windiest
Solar energy
5.37 kWh/m²
Travel score
4.9
out of 10

São Lourenço is town 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 26°C through the month.

A typical December day in São Lourenço reaches about 26°C in the afternoon and slips back to 18°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 29°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42618
52618
62618
72618
82618
92618
102618
112618
122618
132618
142618
152618
162618
172618
182618
192618
202618
212618
222618
232618
242618
252618
262618
272618
282618
292618
302618
312618

São Lourenço 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
Jan27° / 18°22620.813.24.8
Feb27° / 18°11815.612.85.3
Mar26° / 17°11215.712.25.7
Apr25° / 15°448.311.57.1
May23° / 13°385.3117.6
Jun22° / 11°212.810.78.0
Jul22° / 10°172.410.88.2
Aug24° / 11°203.511.28.4
Sep25° / 14°637.511.97.3
Oct26° / 16°9312.112.56.3
Nov26° / 17°14817.113.15.4
Dec26° / 18°20520.613.34.9

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 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22773
32773
42674
52674
62674
72575
82575
92575
102575
112575
122575
132674
142674
152575
162575
172575
182575
192674
202674
212773
222773
232773
242773
252674
262575
272476
282476
292377
302377
312377

Chance of precipitation in December

Any precipitation

São Lourenço gets around 205 mm of rain over 20.6 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 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 (%)
161
261
362
463
564
665
765
866
966
1066
1166
1266
1366
1466
1566
1666
1766
1866
1967
2067
2167
2267
2367
2468
2568
2668
2769
2869
2969
3070
3169

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12215918
22205820
32195821
41185823
51175824
61165825
71165726
81155727
91145728
101135828
111135729
120125929
130125929
140116029
150115930
160106030
170106030
180106030
190106030
200106030
21096229
22096229
23096229
24096130
25096130
26086230
27086131
28086131
29086032
30086032
31095833

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 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
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 18 min at the start of December to 13 h 18 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 6:12 AM to 6:23 AM, and sunset from 7:28 PM to 7:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:127:28
213.36:127:28
313.36:137:29
413.36:137:30
513.36:137:30
613.36:137:31
713.36:137:31
813.36:147:32
913.36:147:33
1013.36:147:33
1113.36:147:34
1213.36:157:34
1313.36:157:35
1413.36:157:36
1513.36:167:36
1613.36:167:37
1713.36:167:37
1813.36:177:38
1913.46:177:38
2013.46:187:39
2113.46:187:39
2213.46:197:40
2313.46:197:40
2413.46:207:41
2513.46:207:41
2613.36:217:42
2713.36:217:42
2813.36:227:42
2913.36:227:43
3013.36:237:43
3113.36:237:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.37 kWh/m².

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 5.53 kWh/m² in February across the year — December's 5.37 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.2Bright
Planning a trip in December

Hazard calendar for São Lourenço

In seasonPeak

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

São Lourenço'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 São Lourenço?

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

4.9
Sightseeing
11th-best month of the year
4.7
Beach & pool
12th-best month of the year

December is a reasonable time to visit São Lourenço for sightseeing.

What to pack for São Lourenço in December

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

In December, São Lourenço sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 21 days see rain.

rain gearlight clothessun protection

UV index in São Lourenço 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 São Lourenço peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 highExtremeFeb 9UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun6High
Jul6High
Aug9Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec15Extreme

Air quality in São Lourenço 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 São Lourenço is worst in September — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1617 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar8Good
Apr9Good
May9Good
Jun9Good
Jul9Good
Aug12Good
Sep18Moderate
Oct11Good
Nov8Good
Dec8Good
Location & terrain

Where is São Lourenço?

São Lourenço sits at 22.1°S, 45.1°W, 884 m above sea level, in Brazil. The nearest listed city is Caxambu, 20 km away.

Topography around São Lourenço

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

Within 3 km, the terrain around São Lourenço has significant variations in elevation — a maximum elevation change of 318 m around an average of 919 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 839 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,378 m.

The land around São Lourenço is covered by grassland (38%), trees (37%) and artificial surfaces (22%) within 3 km, grassland (51%) and trees (41%) within 16 km, and trees (46%) and grassland (44%) within 80 km.

3 km
318 m
16 km
839 m
80 km
2,378 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Caxambu 20 km · Itanhandu 23 km · Baependi 24 km · Passa Quatro 32 km · Lambari 34 km · Cruzília 40 km · Campanha 47 km · Três Corações 51 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 Lourenço (-22.1164°, -45.0544°, elevation 884 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).