Pelotas weather in December

In December, Pelotas sees average daytime highs of 25°C and overnight lows near 20°C, with 100 mm of rain across 9.8 wet days and about 14 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 38% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 54 min at the start of December to 14 hours by month's end. Set against the rest of the year, December is Pelotas's 1st-clearest and 4th-windiest month. For the whole year in context, see Pelotas's year-round climate.

Daytime high
25°
4th warmest
Overnight low
20°
9th coldest
Rainfall
100 mm
9.8 wet days
Daylight
14 h 06 min
6:24 AM – 8:27 PM
Cloud cover
54%
1st clearest
Wind
18 km/h
4th windiest
Solar energy
6.76 kWh/m²
Travel score
7.0
out of 10

Pelotas 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 24°C in the first days to 26°C by the end.

A typical December day in Pelotas reaches about 25°C in the afternoon and slips back to 20°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12418
22419
32419
42419
52419
62419
72419
82419
92519
102519
112519
122519
132519
142519
152520
162520
172520
182520
192520
202520
212520
222520
232520
242520
252620
262620
272621
282621
292621
302621
312621

Pelotas weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 21°10911.613.86.5
Feb26° / 21°10512.613.26.2
Mar25° / 20°10211.812.26.6
Apr23° / 18°11610.211.26.8
May19° / 14°1059.310.46.3
Jun17° / 12°1119.9105.5
Jul16° / 11°11710.210.15.1
Aug17° / 12°1169.710.85.7
Sep18° / 13°14110.611.85.8
Oct20° / 15°14010.512.86.2
Nov23° / 17°958.813.67.0
Dec25° / 20°1009.8147.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35743
45644
55644
65644
75644
85545
95545
105545
115545
125545
135545
145446
155545
165446
175545
185545
195545
205644
215644
225644
235644
245842
255842
265842
275842
285842
295842
305941
315941

Chance of precipitation in December

Any precipitation

Pelotas gets around 100 mm of rain over 9.8 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
330
430
531
631
731
831
932
1032
1132
1232
1333
1433
1533
1633
1734
1834
1933
2033
2133
2232
2332
2431
2531
2631
2730
2830
2930
3030
3130

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 48% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11422332740
21422332740
31421332740
41421332750
51320332850
61320332850
71319332960
81219333060
91218323070
101118323180
111117323280
121017323290
1310163133100
149163034100
158162935120
168152936130
177152836140
187142637150
197142537170
206142537180
216142437190
226132337210
236132237220
245132237230
255132136240
265132136251
275132036261
284132035271
294132035281
304122034291
313122133301

Wind in December

Winds average 18 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 54 min at the start of December to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:21 AM to 6:31 AM, and sunset from 8:17 PM to 8:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.96:218:17
213.96:218:18
314.06:218:18
414.06:218:19
514.06:218:20
614.06:218:21
714.06:228:21
814.06:228:22
914.06:228:23
1014.06:228:24
1114.06:228:24
1214.06:228:25
1314.06:238:26
1414.16:238:26
1514.16:238:27
1614.16:248:27
1714.16:248:28
1814.16:248:29
1914.16:258:29
2014.16:258:30
2114.16:268:30
2214.16:268:31
2314.16:278:31
2414.16:278:32
2514.16:288:32
2614.16:288:32
2714.16:298:33
2814.16:298:33
2914.16:308:33
3014.16:308:34
3114.06:318:34

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.76 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 6.76 kWh/m² in December across the year — December's 6.76 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.7Intense
136.7Intense
146.7Intense
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 Pelotas?

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

7.0
Sightseeing
1st-best month of the year
6.3
Beach & pool
1st-best month of the year

December is one of the better times to visit Pelotas for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Pelotas in December

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

In December, Pelotas sees daytime highs around 25°C and nights near 20°C. Pack sun protection. Worth having: light clothes and rain gear. About 10 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Pelotas in December

The nearest coast averages about 22°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 44 km away) is warmest in February at about 24°C and coldest in July near 14°C.

It's comfortable for a long swim from Nov 18 to May 4 — about 5.5 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Warm
Mar24Refreshing
Apr22Refreshing
May19Cool
Jun16Cool
Jul14Bracing
Aug14Bracing
Sep15Cool
Oct18Cool
Nov20Cool
Dec22Refreshing

UV index in Pelotas 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 Pelotas peaks around January 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 12UV 12Jun 20UV 3
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7Very high
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Pelotas?

Pelotas sits at 31.8°S, 52.3°W, 15 m above sea level, in Brazil. The nearest listed city is Capão do Leão, 14 km away.

Topography around Pelotas

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

Within 3 km, the terrain around Pelotas has only modest variations in elevation — a maximum elevation change of 27 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 161 m; within 80 km, significant variations in elevation — a maximum elevation change of 507 m.

The land around Pelotas is covered by artificial surfaces (52%) and wetland (26%) within 3 km, wetland (25%) and grassland (20%) within 16 km, and water (31%) and trees (25%) within 80 km.

3 km
27 m
16 km
161 m
80 km
507 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Capão do Leão 14 km · Rio Grande 37 km · São José do Norte 39 km · Canguçu 52 km · São Lourenço do Sul 57 km · Piratini 81 km · Arroio Grande 87 km · Camaquã 114 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 Pelotas (-31.77°, -52.341°, elevation 15 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).