São Pedro do Sul weather in December

In December, São Pedro do Sul sees average daytime highs of 30°C and overnight lows near 19°C, with 147 mm of rain across 11.8 wet days and about 13.9 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 30°C by the end. The sky is clear or mostly clear about 40% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 48 min at the start of December to 13 h 54 min by month's end. Set against the rest of the year, December is São Pedro do Sul's 4th-clearest and 7th-windiest month. For the whole year in context, see São Pedro do Sul's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
19°
10th coldest
Rainfall
147 mm
11.8 wet days
Daylight
13 h 54 min
6:36 AM – 8:30 PM
Cloud cover
53%
4th clearest
Wind
11 km/h
7th windiest
Solar energy
6.74 kWh/m²
Travel score
5.1
out of 10

São Pedro 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

Highs climb over the month, from about 29°C in the first days to 30°C by the end.

A typical December day in São Pedro do Sul reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12917
22917
32918
42918
52918
62918
72918
82918
92918
102918
112918
122918
132918
142918
153019
163019
173019
183019
193019
203019
213019
223019
233019
243019
253019
263019
273019
283020
293020
303020
313020

São Pedro do Sul weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°15513.613.74.6
Feb29° / 20°13312.613.14.9
Mar28° / 18°12210.912.25.9
Apr25° / 15°14310.211.36.8
May21° / 12°1179.310.56.6
Jun19° / 11°1269.910.16.1
Jul19° / 10°1429.910.36.2
Aug21° / 11°1179.410.96.7
Sep22° / 12°14310.611.86.6
Oct25° / 15°20812.612.76.4
Nov27° / 16°13710.313.56.4
Dec30° / 19°14711.813.95.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% 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 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25545
35644
45644
55644
65644
75644
85644
95545
105644
115644
125644
135743
145644
155644
165644
175644
185644
195644
205644
215644
225644
235644
245644
255545
265545
275545
285545
295545
305644
315545

Chance of precipitation in December

Any precipitation

São Pedro do Sul gets around 147 mm of rain over 11.8 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 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
636
736
836
936
1036
1136
1236
1336
1437
1537
1638
1738
1838
1939
2039
2139
2240
2340
2440
2540
2640
2740
2840
2940
3040
3140

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 44% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1152529274
2152529274
3152529274
4152429284
5152429284
6152329295
7152329295
8142229305
9142229305
10132229316
11132129316
12122128317
13122128327
14112028328
15112028339
16102027339
171019273410
18919263411
19818263512
20818253514
21718253515
22717243616
23617243617
24617233618
25616233619
26516233520
27515233521
28515233522
29415233523
30415233424
31414233425

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 48 min at the start of December to 13 h 54 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 6:34 AM to 6:44 AM, and sunset from 8:19 PM to 8:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:348:19
213.86:348:20
313.86:348:21
413.86:348:22
513.86:348:22
613.86:348:23
713.86:348:24
813.86:348:25
913.86:348:25
1013.96:348:26
1113.96:358:27
1213.96:358:27
1313.96:358:28
1413.96:358:28
1513.96:368:29
1613.96:368:30
1713.96:368:30
1813.96:378:31
1913.96:378:31
2013.96:388:32
2113.96:388:32
2213.96:398:33
2313.96:398:33
2413.96:408:34
2513.96:408:34
2613.96:418:34
2713.96:418:35
2813.96:428:35
2913.96:428:36
3013.96:438:36
3113.96:448:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.74 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 6.74 kWh/m² in December across the year — December's 6.74 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in December

Is December a good time to visit São Pedro do Sul?

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

5.1
Sightseeing
10th-best month of the year
6.7
Beach & pool
2nd-best month of the year

December is a reasonable time to visit São Pedro do Sul for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Pedro do Sul in December

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

In December, São Pedro do Sul sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in São Pedro do Sul in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (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 Pedro do Sul peaks around January 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 19UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is São Pedro do Sul?

São Pedro do Sul sits at 29.6°S, 54.2°W, 185 m above sea level, in Brazil. The nearest listed city is Santa Maria, 37 km away.

Topography around São Pedro do Sul

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

Within 3 km, the terrain around São Pedro do Sul has only modest variations in elevation — a maximum elevation change of 176 m around an average of 159 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 351 m; within 80 km, significant variations in elevation — a maximum elevation change of 511 m.

The land around São Pedro do Sul is covered by grassland (40%) and trees (31%) within 3 km, grassland (41%), trees (29%) and cropland (28%) within 16 km, and cropland (47%), grassland (31%) and trees (20%) within 80 km.

3 km
176 m
16 km
351 m
80 km
511 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Santa Maria 37 km · Júlio de Castilhos 65 km · Tupanciretã 69 km · São Gabriel 81 km · Santiago 82 km · São Sepé 84 km · Agudo 91 km · São Francisco de Assis 92 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 Pedro do Sul (-29.6206°, -54.1789°, elevation 185 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).