Climate and average weather in Ciudad Guayana

In Ciudad Guayana, the weather is humid, sweltering, wet, and partly cloudy and remarkably steady, with daytime highs holding near sweltering levels all year. The wettest stretch peaks around July.

Best: early January to mid March

Over the course of the year, the temperature in Ciudad Guayana typically varies from 23°C to 34°C, and is rarely below 21°C or above 37°C. April is the hottest month of the year, while July is the coldest.

Based on the travel score, the best times of year to visit Ciudad Guayana for warm-weather activities are from early January to mid March and early December to late December.

Hottest
Apr
34°
Coldest
Jul
23°
Wettest
Jul
191 mm
Driest
Mar
11 mm
Rain / yr
1033 mm
153 wet days
Daylight
11.5–12.5 h
shortest–longest
Elevation
103 m
8.4°N
Clearest
Jan
55% cloud

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.

Ciudad Guayana weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around early January to mid March.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Ciudad Guayana, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

Temperatures in Ciudad Guayana stay fairly even through the year, without a distinct hot or cool season. The warmest month is April, with an average high of 34°C and low of 24°C; the coolest is July, with an average low of 23°C and high of 31°C.

Days typically run about 9°C warmer than nights year-round.

20°25°30°35°40°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan3123
Feb3223
Mar3323
Apr3424
May3324
Jun3224
Jul3123
Aug3224
Sep3324
Oct3324
Nov3224
Dec3123

How hot and cold Ciudad Guayana really feels

Feels-like highFeels-like lowactual air temp

The felt-temperature range through the year — heat index on the day's high (summer humidity), wind chill on the night's low (winter wind). The dashed lines are the plain thermometer; the gap is how much hotter or colder it really feels.

On the hottest afternoons, once humidity is folded in, Ciudad Guayana feels like about 38°C (around October 11). Nearly every day a year carries some heat stress, peaking in October.

20°25°30°35°40°JanFebMarAprMayJunJulAugSepOctNovDecdangerous heat
Feels-like high (°C)Air high (°C)Feels-like low (°C)Air low (°C)
Jan34312223
Feb34322323
Mar36332323
Apr37342424
May37332424
Jun36322424
Jul35312323
Aug37322424
Sep38332424
Oct38332424
Nov37322424
Dec35312323

Average hourly temperature in Ciudad Guayana

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on April afternoons, near 34°C, and coldest before dawn in July, near 23°C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Ciudad Guayana weather by month

Every month at a glance. Click a month for its detailed page.

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

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Ciudad Guayana gets about 1033 mm of precipitation a year. On a typical day the chance of rain is often wet, but that rises and falls sharply with the seasons.

The wetter season lasts 6.7 months, from around May 19 to Dec 7, peaking in July at about 82% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Mar 1.

July is the wettest month by volume, with 191 mm over about 24 wet days; March is the driest, with 11 mm.

0%10%20%30%40%50%60%70%80%90%JanFebMarAprMayJunJulAugSepOctNovDecdrierwettermostly drysome rainoften wetvery wetJul 29 · 82%Mar 1 · 6%
Rain on a day (%)Rain days
Jan154
Feb82
Mar72
Apr175
May4013
Jun6821
Jul7824
Aug7423
Sep5817
Oct5216
Nov5316
Dec3310

Monthly rainfall

Over a full year, Ciudad Guayana collects about 1033 mm of rain across 153 wet days — roughly 86 mm in an average month.

It doesn’t fall evenly. July is the wettest month with 191 mm, while March is the driest at just 11 mm. The three wettest months alone bring about 50% of the year’s total.

050100150200JanFebMarAprMayJunJulAugSepOctNovDec23111132106165191161112898548
Rainfall (mm)Rain days
Jan234
Feb112
Mar112
Apr325
May10613
Jun16521
Jul19124
Aug16123
Sep11217
Oct8916
Nov8516
Dec4810

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Ciudad Guayana, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around November 23 and lasts for 4.3 months, ending around April 3. The clearest month is January, when the sky is clear, mostly clear, or partly cloudy 61% of the time on average.

The cloudier part of the year begins around April 4 and lasts for 4.7 months, ending around August 24. The cloudiest month is June, when it is overcast or mostly cloudy 73% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecJan 13 · 63%Jun 8 · 26%mostly clearpartly cloudymostly cloudyovercastclearercloudierclearer
Clearer (%)Cloudier (%)
Jan6139
Feb5941
Mar5050
Apr3664
May3070
Jun2773
Jul3169
Aug3763
Sep4456
Oct4258
Nov4159
Dec4852

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around June 1, brings about 12 h 30 min of light; the shortest, around January 1, only 11 h 30 min — a swing of roughly 1 hour.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan11.66:035:37
Feb11.76:035:47
Mar11.95:525:49
Apr12.25:355:46
May12.45:255:48
Jun12.55:265:55
Jul12.45:335:59
Aug12.35:365:53
Sep12.05:345:36
Oct11.85:315:20
Nov11.65:375:14
Dec11.55:515:22

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Ciudad Guayana averages about 6 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 3 and 10 days.

The sunnier stretch runs 3.8 months, from around Dec 12 to Apr 6. The sunniest month is January, with roughly 9 sunny days (mixed).

The greyest month is June, down near 3 sunny days — about 68% fewer than the January peak.

051015JanFebMarAprMayJunJulAugSepOctNovDecsunniergreyergloomymixedJan 1210 daysJun 203 days
Sunny daysSky
Jan9Mixed
Feb8Mixed
Mar8Gloomy
Apr5Gloomy
May4Gloomy
Jun3Gloomy
Jul4Gloomy
Aug5Gloomy
Sep6Gloomy
Oct6Gloomy
Nov5Gloomy
Dec7Gloomy

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

Ciudad Guayana is humid all year round — on a typical day the air feels at least humid, and there is no real dry season to wait for.

The stickiest month is January, when it feels muggy, oppressive or miserable about 97% of the time. Even in January, the mildest month, the air is dry or comfortable only 0% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecmiserableoppressivemuggyhumid
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
Jan356400
Feb674200
Mar776170
Apr558343
May1276012
Jun048114
Jul008416
Aug007228
Sep036829
Oct057520
Nov048314
Dec123743

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Across the year, average wind speed in Ciudad Guayana is typically calm, near 9 km/h, and varies moderately with the seasons.

The windier part of the year lasts 5.8 months, from around Nov 27 to May 21. The windiest month is February, averaging about 12 km/h (light breeze).

The calmer part of the year runs from around May 22 to Nov 26, with August the calmest month at about 6 km/h.

05101520JanFebMarAprMayJunJulAugSepOctNovDecwindiercalmerwindiercalmlight breezeFeb 22 · 13 km/hAug 8 · 6 km/h
Wind speed (km/h)Feels
Jan12calm
Feb12light breeze
Mar12light breeze
Apr11calm
May10calm
Jun8calm
Jul7calm
Aug6calm
Sep6calm
Oct7calm
Nov9calm
Dec10calm

Hazard calendar for Ciudad Guayana

In seasonPeak

When the seasonal hazards worth planning around — the rainy season, tropical-cyclone risk and dust haze — are active through the year.

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

Best time to visit Ciudad Guayana

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Ciudad Guayana throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around early March, Ciudad Guayana is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Ciudad Guayana for general outdoor tourist activities is from early December to mid March, with a peak score in the second week of January.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timetravel scoretemperaturecloudsprecipitationJan 9 · 4.9

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan4.9fair
Feb4.6fair
Mar3.8fair
Apr3.1poor
May3.0poor
Jun3.0poor
Jul3.0poor
Aug3.0poor
Sep3.0poor
Oct3.0poor
Nov3.4poor
Dec4.3fair

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Ciudad Guayana for hot-weather activities is from early December to late April, with a peak score in the second week of February.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timebeach/pool scoretemperaturecloudsprecipitationFeb 11 · 7.5

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Ciudad Guayana, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

Ciudad Guayana packs about the same all year — highs hold near 34°C. Across the year the things worth having are light clothes, sun protection and rain gear.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In April, Ciudad Guayana sees daytime highs around 34°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

UV index (midday) in Ciudad Guayana by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

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

Average hourly UV index in Ciudad Guayana

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in March the burn window is concentrated in the middle of the day: about 8 hours a day reach index 3 (protection recommended), and 6.5 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan7.55.5
Feb86
Mar86.5
Apr86.5
May86
Jun86
Jul86
Aug86
Sep86
Oct7.55.5
Nov7.55
Dec75

Air quality in Ciudad Guayana by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly 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
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

Ciudad Guayana is frost-free year round — even the coldest nights rarely reach freezing, so there is no start or end to the growing season.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecfrost-free year round
Frost-free chance (%)Frost nights
Jan1000
Feb1000
Mar1000
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec1000

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Ciudad Guayana banks about 6,505 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around April.

02,0004,0006,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan523
Feb485
Mar565
Apr571
May578
Jun528
Jul532
Aug543
Sep545
Oct570
Nov536
Dec530

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Ciudad Guayana receives about 5.1 kWh/m² a day of solar energy — bright — and it stays remarkably steady, holding between 4.4 and 5.8 kWh/m² all year. For solar panels, output here is a flat line, not a seasonal wave.

01234567JanFebMarAprMayJunJulAugSepOctNovDecdimmoderatebrightintenseSep 235.8 kWhDec 114.4 kWh
Solar energy (kWh/m²)Level
Jan4.7Bright
Feb5.0Bright
Mar5.6Bright
Apr5.6Bright
May5.2Bright
Jun4.8Bright
Jul4.9Bright
Aug5.3Bright
Sep5.8Bright
Oct5.5Bright
Nov4.8Bright
Dec4.4Bright

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
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).