Ciudad Guayana weather in December

In December, Ciudad Guayana sees average daytime highs of 31°C and overnight lows near 23°C, with 48 mm of rain across 10.2 wet days and about 11.5 hours of daylight. It is the 11th-warmest and 8th-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 21% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of December to 11 h 30 min by month's end. Set against the rest of the year, December is Ciudad Guayana's 4th-clearest and 5th-windiest month. For the whole year in context, see Ciudad Guayana's year-round climate.

Daytime high
31°
11th warmest
Overnight low
23°
4th coldest
Rainfall
48 mm
10.2 wet days
Daylight
11 h 30 min
5:51 AM – 5:22 PM
Cloud cover
62%
4th clearest
Wind
10 km/h
5th windiest
Solar energy
4.43 kWh/m²
Travel score
4.3
out of 10

Ciudad Guayana is city in Bolívar, Venezuela.

Density
2,383/km²
people per km²
Founded
1961

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 Guayana reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Ciudad Guayana

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 Guayana weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°234.411.64.9
Feb32° / 23°112.211.74.6
Mar33° / 23°111.911.93.8
Apr34° / 24°324.912.23.1
May33° / 24°10612.612.43.0
Jun32° / 24°16520.612.53.0
Jul31° / 23°19124.412.43.0
Aug32° / 24°16122.812.33.0
Sep33° / 24°11217.3123.0
Oct33° / 24°891611.83.0
Nov32° / 24°851611.63.3
Dec31° / 23°4810.211.54.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 27% of December, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34555
44555
54555
64555
74654
84555
94555
104753
114654
124654
134753
144654
154654
164654
174753
184753
194852
204852
214852
224951
234951
244951
255050
265149
275149
285347
295347
305446
315644

Chance of precipitation in December

Any precipitation

Ciudad Guayana gets around 48 mm of rain over 10.2 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 33% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
248
347
446
545
644
743
842
940
1039
1138
1237
1335
1434
1533
1631
1730
1829
1928
2027
2126
2225
2325
2425
2524
2624
2723
2823
2923
3022
3122

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
107876
208866
309856
4010855
5011845
6012835
7013825
8014824
9015814
10016804
11017803
12018793
13019783
14020782
15121762
16123742
17124732
18125731
19126721
20127711
21128701
22129691
23130681
24131671
25132661
26134641
27135640
28136630
29137620
30139600
31140590

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 30 min at the start of December to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:44 AM to 5:58 AM, and sunset from 5:17 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:445:17
211.55:445:17
311.55:455:17
411.55:455:18
511.55:465:18
611.55:465:18
711.55:475:19
811.55:475:19
911.55:485:19
1011.55:485:20
1111.55:495:20
1211.55:495:21
1311.55:505:21
1411.55:505:21
1511.55:515:22
1611.55:515:22
1711.55:525:23
1811.55:525:23
1911.55:535:24
2011.55:535:24
2111.55:545:24
2211.55:545:25
2311.55:555:25
2411.55:555:26
2511.55:565:26
2611.55:565:27
2711.55:565:27
2811.55:575:28
2911.55:575:28
3011.55:585:29
3111.55:585:29

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.43 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 5.78 kWh/m² in September across the year — December's 4.43 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Hazard calendar for Ciudad Guayana

In seasonPeak

None of Ciudad Guayana's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Ciudad Guayana's monsoon runs May–October, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Ciudad Guayana?

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

4.3
Sightseeing
3rd-best month of the year
6.5
Beach & pool
4th-best month of the year

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

What to pack for Ciudad Guayana in December

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

In December, Ciudad Guayana sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear. About 10 days see rain.

light clothesrain gear

UV index in Ciudad Guayana in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (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 Guayana peaks around March 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 19UV 14Dec 13UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Ciudad Guayana 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 Guayana is worst in April — around 27 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1726 µg/m³Nov 1912 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb18Moderate
Mar22Moderate
Apr27Moderate
May24Moderate
Jun23Moderate
Jul19Moderate
Aug14Moderate
Sep13Moderate
Oct13Moderate
Nov12Moderate
Dec13Moderate
Location & terrain

Where is Ciudad Guayana?

Ciudad Guayana sits at 8.4°N, 62.6°W, 103 m above sea level, in Venezuela. The nearest listed city is Upata, 45 km away.

TucupitaCiudad BolívarSoledadCiudad PiarGuasipati

Topography around Ciudad Guayana

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

Within 3 km, the terrain around Ciudad Guayana has only modest variations in elevation — a maximum elevation change of 111 m around an average of 79 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 326 m; within 80 km, large variations in elevation — a maximum elevation change of 723 m.

The land around Ciudad Guayana is covered by artificial surfaces (78%) within 3 km, trees (46%) and grassland (23%) within 16 km, and grassland (47%) and trees (41%) within 80 km.

3 km
111 m
16 km
326 m
80 km
723 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Upata 45 km · Barrancas 62 km · Temblador 73 km · Tucupita 102 km · Ciudad Bolívar 103 km · Soledad 104 km · Ciudad Piar 125 km · Guasipati 127 km

Venezuela travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 0% of US
price level, 2011
GDP per capita
$3,495
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
12.6
per 100k, 2022
Road deaths
39
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 520
Religion
Roman Catholic 48%Protestant 32%none 14%believer 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 Ciudad Guayana (8.3512°, -62.641°, elevation 103 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).