Frederico Westphalen weather in December

In December, Frederico Westphalen sees average daytime highs of 30°C and overnight lows near 19°C, with 185 mm of rain across 14.5 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. 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 36 min at the start of December to 13 h 42 min by month's end. Set against the rest of the year, December is Frederico Westphalen's 7th-clearest and 7th-windiest month. For the whole year in context, see Frederico Westphalen's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
19°
10th coldest
Rainfall
185 mm
14.5 wet days
Daylight
13 h 42 min
6:38 AM – 8:21 PM
Cloud cover
56%
7th clearest
Wind
8 km/h
7th windiest
Solar energy
6.49 kWh/m²
Travel score
4.6
out of 10

Frederico Westphalen 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

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Frederico Westphalen 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 26°C and 33°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12918
22919
32919
42919
52919
63019
73019
83019
93019
103019
113019
123019
133019
143019
153019
163019
173019
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020
313020

How December really feels in Frederico Westphalen

Once humidity and wind are folded in, December averages 3 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
3
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.

Frederico Westphalen weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°16116.413.54.1
Feb30° / 20°14615.4134.3
Mar29° / 19°13312.812.25.2
Apr26° / 16°14010.311.46.6
May22° / 13°1679.210.76.9
Jun21° / 11°1639.710.36.5
Jul21° / 10°1539.910.46.6
Aug23° / 12°1058117.4
Sep25° / 14°17510.811.86.9
Oct27° / 16°22713.712.76.0
Nov28° / 17°1761213.45.7
Dec30° / 19°18514.513.74.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35248
45347
55347
65248
75347
85347
95248
105347
115347
125347
135347
145446
155446
165446
175545
185545
195446
205446
215446
225446
235347
245347
255248
265149
275149
285149
295149
305149
315050

Chance of precipitation in December

Any precipitation

Frederico Westphalen gets around 185 mm of rain over 14.5 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 46% and peaks near 51% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
142
243
343
443
543
644
744
844
944
1044
1145
1245
1345
1446
1546
1646
1747
1847
1947
2048
2148
2248
2349
2449
2550
2650
2750
2850
2950
3050
3151

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
161530428
251429429
351429439
451329439
5513294410
6512284410
7512284411
8512284511
9511274512
10411274512
11411274513
12411264514
13410264614
14310264615
15310254516
1639254517
1739254519
1839244420
1929244421
2028234323
2128234324
2228224226
2328224227
2427214129
2517214030
2617214031
2717203932
2817203833
2917203734
3017203735
3117203636

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 36 min at the start of December to 13 h 42 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 6:35 AM to 6:46 AM, and sunset from 8:11 PM to 8:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.66:358:11
213.66:358:12
313.66:358:13
413.66:358:14
513.66:368:14
613.76:368:15
713.76:368:16
813.76:368:16
913.76:368:17
1013.76:368:18
1113.76:378:18
1213.76:378:19
1313.76:378:20
1413.76:388:20
1513.76:388:21
1613.76:388:21
1713.76:398:22
1813.76:398:22
1913.76:398:23
2013.76:408:23
2113.76:408:24
2213.76:418:24
2313.76:418:25
2413.76:428:25
2513.76:428:26
2613.76:438:26
2713.76:438:27
2813.76:448:27
2913.76:448:27
3013.76:458:28
3113.76:468:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.49 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.67 kWh/m² to a high of 6.49 kWh/m² in December across the year — December's 6.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in December

Is December a good time to visit Frederico Westphalen?

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

4.6
Sightseeing
10th-best month of the year
6.3
Beach & pool
4th-best month of the year

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

What to pack for Frederico Westphalen in December

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

In December, Frederico Westphalen sees daytime highs around 30°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Frederico Westphalen 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 Frederico Westphalen peaks around January 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 22UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun4Moderate
Jul5Moderate
Aug5High
Sep8Very high
Oct8Very high
Nov11Extreme
Dec13Extreme

Air quality in Frederico Westphalen 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 Frederico Westphalen is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1616 µg/m³Mar 116 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug11Good
Sep17Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Frederico Westphalen?

Frederico Westphalen sits at 27.4°S, 53.4°W, 528 m above sea level, in Brazil. The nearest listed city is Itapiranga, 38 km away.

Topography around Frederico Westphalen

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

Within 3 km, the terrain around Frederico Westphalen has significant variations in elevation — a maximum elevation change of 259 m around an average of 501 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 379 m; within 80 km, large variations in elevation — a maximum elevation change of 703 m.

The land around Frederico Westphalen is covered by trees (45%) and grassland (20%) within 3 km, trees (47%) and cropland (32%) within 16 km, and trees (50%) and cropland (40%) within 80 km.

3 km
259 m
16 km
379 m
80 km
703 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Itapiranga 38 km · Palmitos 40 km · Três Passos 54 km · Palmeira das Missões 61 km · Pinhalzinho 69 km · Maravilha 70 km · São Miguel d'Oeste 72 km · El Soberbio 80 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 Frederico Westphalen (-27.3592°, -53.3944°, elevation 528 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).