São Gabriel weather in December

In December, São Gabriel sees average daytime highs of 30°C and overnight lows near 19°C, with 137 mm of rain across 10 wet days and about 13.9 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 43% 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 Gabriel's 1st-clearest and 4th-windiest month. For the whole year in context, see São Gabriel's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
19°
10th coldest
Rainfall
137 mm
10 wet days
Daylight
13 h 54 min
6:35 AM – 8:32 PM
Cloud cover
51%
1st clearest
Wind
13 km/h
4th windiest
Solar energy
6.91 kWh/m²
Travel score
5.1
out of 10

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 31°C by the end.

A typical December day in São Gabriel reaches about 30°C in the afternoon and slips back to 19°C overnight — a 12°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 3°C warmer than November and on par with January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12917
22917
32917
42918
52918
62918
72918
83018
93018
103018
113018
123018
133018
143018
153018
163019
173019
183019
193019
203019
213019
223019
233019
243119
253119
263119
273119
283120
293120
303120
313120

How December really feels in São Gabriel

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

São Gabriel weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°13611.913.74.5
Feb30° / 20°1251113.14.9
Mar29° / 18°1159.512.25.9
Apr25° / 15°1439.211.37.0
May21° / 12°1238.710.56.7
Jun19° / 10°1379.810.16.1
Jul18° / 1349.610.26.1
Aug21° / 10°1168.810.96.7
Sep22° / 12°16110.311.86.5
Oct24° / 14°18911.412.76.6
Nov27° / 16°1308.813.56.5
Dec30° / 19°1371013.95.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45644
55644
65644
75644
85644
95545
105644
115644
125644
135644
145644
155545
165545
175545
185545
195644
205644
215644
225644
235644
245644
255644
265545
275545
285545
295446
305545
315545

Chance of precipitation in December

Any precipitation

São Gabriel gets around 137 mm of rain over 10 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 32% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
330
430
530
630
730
830
930
1030
1130
1231
1331
1431
1532
1632
1733
1833
1933
2033
2134
2234
2334
2434
2534
2634
2734
2834
2934
3035
3135

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11829282150
21828282150
31828282250
41827282250
51827272350
61826272450
71726262550
81726262660
91725262760
101625252860
111624252960
121524253070
131423253170
141422243270
151322243380
161221243490
1712202434100
1811192435100
1910182436110
2010182535130
219172535141
229162534151
238162534161
248162534171
258152533181
267152533201
277152532211
286152531211
296152531221
306152530231
315152530241

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

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 6:33 AM to 6:42 AM, and sunset from 8:22 PM to 8:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:338:22
213.86:338:22
313.86:338:23
413.96:338:24
513.96:338:25
613.96:338:25
713.96:338:26
813.96:338:27
913.96:338:27
1013.96:338:28
1113.96:348:29
1213.96:348:29
1313.96:348:30
1413.96:348:31
1513.96:358:31
1613.96:358:32
1714.06:358:32
1814.06:368:33
1914.06:368:34
2014.06:378:34
2114.06:378:35
2214.06:378:35
2314.06:388:36
2414.06:388:36
2514.06:398:36
2614.06:398:37
2714.06:408:37
2813.96:418:37
2913.96:418:38
3013.96:428:38
3113.96:428:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.91 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.43 kWh/m² to a high of 6.91 kWh/m² in December across the year — December's 6.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
107.0Intense
117.0Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in December

Is December a good time to visit São Gabriel?

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
7.0
Beach & pool
2nd-best month of the year

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

What to pack for São Gabriel in December

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

In December, São Gabriel sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in São Gabriel 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 Gabriel peaks around January 18 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 18UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Extreme
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7Very high
Oct7High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is São Gabriel?

São Gabriel sits at 30.3°S, 54.3°W, 119 m above sea level, in Brazil. The nearest listed city is Rosário do Sul, 58 km away.

Topography around São Gabriel

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

Within 3 km, the terrain around São Gabriel has only modest variations in elevation — a maximum elevation change of 53 m around an average of 105 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, significant variations in elevation — a maximum elevation change of 421 m.

The land around São Gabriel is covered by trees (32%), artificial surfaces (32%) and grassland (24%) within 3 km, cropland (50%) and grassland (32%) within 16 km, and grassland (47%) and cropland (34%) within 80 km.

3 km
53 m
16 km
122 m
80 km
421 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Rosário do Sul 58 km · São Sepé 75 km · Dom Pedrito 79 km · São Pedro do Sul 81 km · Caçapava do Sul 82 km · Santa Maria 88 km · Bagé 112 km · São Francisco de Assis 117 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 Gabriel (-30.3364°, -54.32°, elevation 119 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).