Ciudad del Este weather in December

In December, Ciudad del Este sees average daytime highs of 31°C and overnight lows near 21°C, with 190 mm of rain across 15.2 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 34% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 30 min at the start of December to 13 h 36 min by month's end. Set against the rest of the year, December is Ciudad del Este's 12th-clearest and 8th-windiest month. For the whole year in context, see Ciudad del Este's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
21°
10th coldest
Rainfall
190 mm
15.2 wet days
Daylight
13 h 36 min
5:47 AM – 7:22 PM
Cloud cover
59%
12th clearest
Wind
9 km/h
8th windiest
Solar energy
6.39 kWh/m²
Travel score
4.0
out of 10

Ciudad del Este is city and departmental capital of Alto Paraná, Paraguay.

Density
2,026/km²
people per km²
Founded
1957

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 31°C through the month.

A typical December day in Ciudad del Este reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How December really feels in Ciudad del Este

Once humidity and wind are folded in, December averages 31 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
31
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.

Ciudad del Este 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
Jan31° / 22°15916.113.43.7
Feb31° / 22°15914.712.93.9
Mar30° / 21°14612.612.24.7
Apr28° / 18°1429.411.46.3
May24° / 15°1629.510.87.0
Jun22° / 14°1369.410.46.9
Jul22° / 13°1198.510.67.2
Aug25° / 14°94711.17.6
Sep27° / 16°15610.111.86.7
Oct29° / 19°20013.412.65.4
Nov30° / 20°16211.913.24.9
Dec31° / 21°19015.213.64.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
35149
45149
55149
65149
75149
85149
95248
105248
115149
125248
135248
145248
155248
165347
175347
185347
195347
205248
215248
225149
235050
244951
254852
264852
274852
284753
294852
304852
314852

Chance of precipitation in December

Any precipitation

Ciudad del Este gets around 190 mm of rain over 15.2 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 48% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
143
244
344
444
544
644
744
844
944
1044
1145
1245
1346
1446
1547
1647
1748
1848
1949
2050
2151
2252
2353
2454
2554
2654
2754
2854
2954
3053
3153

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the oppressive band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 82% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1371542320
2371542330
3361542340
4361441360
5261441370
6251441370
7251440380
8251439390
9241538400
10241537410
11241537420
12241536430
13241535440
14131634450
15131634460
16131633470
17131632480
18131632490
19131531501
20121530511
21121429531
22121329541
23121328551
24021228571
25021127591
26021027601
27021027592
2801926622
2901926622
3001826632
3101826623

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 30 min at the start of December to 13 h 36 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 5:44 AM to 5:55 AM, and sunset from 7:13 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:447:13
213.55:447:13
313.55:447:14
413.55:447:15
513.55:447:15
613.55:457:16
713.55:457:17
813.55:457:17
913.55:457:18
1013.65:457:19
1113.65:467:19
1213.65:467:20
1313.65:467:20
1413.65:477:21
1513.65:477:22
1613.65:477:22
1713.65:487:23
1813.65:487:23
1913.65:487:24
2013.65:497:24
2113.65:497:25
2213.65:507:25
2313.65:507:26
2413.65:517:26
2513.65:517:27
2613.65:527:27
2713.65:527:27
2813.65:537:28
2913.65:537:28
3013.65:547:29
3113.65:557:29

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.39 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.82 kWh/m² to a high of 6.39 kWh/m² in December across the year — December's 6.39 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in December

Is December a good time to visit Ciudad del Este?

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

4.0
Sightseeing
10th-best month of the year
6.0
Beach & pool
7th-best month of the year

December is a reasonable time to visit Ciudad del Este for sightseeing.

What to pack for Ciudad del Este in December

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

In December, Ciudad del Este sees daytime highs around 31°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Ciudad del Este 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 Ciudad del Este peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep7High
Oct9Very high
Nov12Extreme
Dec13Extreme

Air quality in Ciudad del Este 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 Ciudad del Este is worst in September — around 23 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (March, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1622 µg/m³Mar 108 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr9Good
May10Good
Jun10Good
Jul11Good
Aug14Moderate
Sep23Moderate
Oct14Moderate
Nov10Good
Dec8Good
Location & terrain

Where is Ciudad del Este?

Ciudad del Este sits at 25.5°S, 54.7°W, 197 m above sea level, in Paraguay. The nearest listed city is Presidente Franco, 8.0 km away.

Colonia WandaPuerto EsperanzaMedianeira

Topography around Ciudad del Este

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

Within 3 km, the terrain around Ciudad del Este has only modest variations in elevation — a maximum elevation change of 142 m around an average of 209 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 182 m; within 80 km, significant variations in elevation — a maximum elevation change of 568 m.

The land around Ciudad del Este is covered by artificial surfaces (60%) and trees (31%) within 3 km, trees (31%) and cropland (22%) within 16 km, and cropland (42%) and trees (40%) within 80 km.

3 km
142 m
16 km
182 m
80 km
568 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Presidente Franco 8.0 km · Foz do Iguacu 8.0 km · Iguazu 13 km · Santa Terezinha de Itaipu 26 km · São Miguel do Iguaçu 45 km · Colonia Wanda 53 km · Puerto Esperanza 58 km · Medianeira 61 km

Paraguay travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / N
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$7,027
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
64%
of population, 2024
Homicide rate
6.8
per 100k, 2023
Road deaths
22
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 531
Religion
Roman Catholic 80%Protestant 7%Believer 6%other 1%

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 Ciudad del Este (-25.5036°, -54.6507°, elevation 197 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).