Portoviejo weather in August

In August, Portoviejo sees average daytime highs of 28°C and overnight lows near 21°C, with 14 mm of rain across 4 wet days and about 12 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 6% of the time in August, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of August to 12 hours by month's end. Set against the rest of the year, August is Portoviejo's 1st-clearest and 3rd-windiest month. For the whole year in context, see Portoviejo's year-round climate.

Daytime high
28°
11th warmest
Overnight low
21°
2nd coldest
Rainfall
14 mm
4 wet days
Daylight
12 hours
6:27 AM – 6:25 PM
Cloud cover
77%
1st clearest
Wind
8 km/h
3rd windiest
Solar energy
4.19 kWh/m²
Travel score
6.3
out of 10

Portoviejo is city in Ecuador, capital of the Manabí Province.

Air quality
Good
PM10 24.6 µg/m³ · 2012
Density
6,822/km²
people per km²
Founded
1535

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Portoviejo reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52821
62821
72821
82821
92821
102821
112821
122821
132821
142821
152821
162821
172821
182821
192821
202821
212821
222821
232821
242821
252821
262821
272821
282821
292821
302821
312821

How August really feels in Portoviejo

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Portoviejo weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°13218.212.14.1
Feb29° / 23°25322.7123.4
Mar29° / 23°23423.1123.5
Apr29° / 23°15820.3123.7
May29° / 23°7514.3124.5
Jun28° / 22°327.911.95.6
Jul28° / 21°225.911.96.3
Aug28° / 21°144126.3
Sep28° / 21°205.1126.0
Oct29° / 21°184.5125.9
Nov29° / 21°224.3125.7
Dec29° / 22°6110.112.15.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
31981
42080
52080
62080
72080
81981
91981
102080
111981
121981
131981
141981
151882
161882
171882
181882
191882
201783
211783
221783
231783
241684
251684
261684
271684
281684
291684
301684
311783

Chance of precipitation in August

Any precipitation

Portoviejo gets around 14 mm of rain over 4 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 13% and peaks near 15% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
413
513
613
713
813
913
1013
1113
1213
1313
1413
1513
1613
1713
1813
1913
2013
2113
2213
2313
2413
2513
2614
2714
2814
2914
3015
3115

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
112826
212826
312826
412826
513825
613825
713825
814815
914815
1014824
1114824
1214824
1314824
1414824
1515814
1615823
1715823
1815823
1915823
2015823
2116813
2216813
2316813
2417803
2517803
2617803
2717803
2817812
2918802
3018802
3118802

Wind in August

Winds average 8 km/h in August.

Across August, 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 August

DaylightNight

Daylight runs from about 12 hours at the start of August to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over August. Sunrise moves from 6:29 AM to 6:22 AM, and sunset from 6:26 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:296:26
212.06:296:26
312.06:296:26
412.06:296:26
512.06:296:26
612.06:296:26
712.06:296:26
812.06:286:26
912.06:286:26
1012.06:286:26
1112.06:286:26
1212.06:286:26
1312.06:286:25
1412.06:276:25
1512.06:276:25
1612.06:276:25
1712.06:276:25
1812.06:266:24
1912.06:266:24
2012.06:266:24
2112.06:266:24
2212.06:256:24
2312.06:256:23
2412.06:256:23
2512.06:246:23
2612.06:246:23
2712.06:246:22
2812.06:246:22
2912.06:236:22
3012.06:236:21
3112.06:226:21

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.19 kWh/m².

For context, solar energy here swings from a low near 3.7 kWh/m² to a high of 4.65 kWh/m² in March across the year — August's 4.19 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in August

Hazard calendar for Portoviejo

In seasonPeak

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

Portoviejo's monsoon runs January–April, when most of the year's rain falls.

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

Is August a good time to visit Portoviejo?

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

6.3
Sightseeing
1st-best month of the year
7.3
Beach & pool
1st-best month of the year

August is a reasonable time to visit Portoviejo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Portoviejo in August

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

In August, Portoviejo sees daytime highs around 28°C and nights near 21°C. Pack light clothes. About 4 days see rain.

light clothes

Sea temperature near Portoviejo in August

The nearest coast averages about 25°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 28 km away) is warmest in February at about 26°C and coldest in September near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr26Warm
May26Warm
Jun26Warm
Jul25Warm
Aug25Warm
Sep24Warm
Oct25Warm
Nov25Warm
Dec25Warm

UV index in Portoviejo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Portoviejo peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 10UV 15Jul 14UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep11Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Portoviejo in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Portoviejo is worst in March — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (August, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1821 µg/m³Aug 1712 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar22Moderate
Apr20Moderate
May17Moderate
Jun15Moderate
Jul13Moderate
Aug12Good
Sep13Moderate
Oct14Moderate
Nov19Moderate
Dec19Moderate
Location & terrain

Where is Portoviejo?

Portoviejo sits at 1.1°S, 80.5°W, 90 m above sea level, in Ecuador. The nearest listed city is Montecristi, 23 km away.

Topography around Portoviejo

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

Within 3 km, the terrain around Portoviejo has significant variations in elevation — a maximum elevation change of 251 m around an average of 88 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 634 m; within 80 km, large variations in elevation — a maximum elevation change of 846 m.

The land around Portoviejo is covered by trees (45%) and artificial surfaces (45%) within 3 km, trees (61%) and grassland (29%) within 16 km, and trees (42%), water (29%) and grassland (24%) within 80 km.

3 km
251 m
16 km
634 m
80 km
846 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Montecristi 23 km · Sucre 25 km · Manta 33 km · Jipijapa 35 km · Calceta 40 km · Bahía de Caráquez 51 km · Chone 56 km · Canoa 66 km

Ecuador travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$7,125
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
70%
of population, 2024
Homicide rate
45.7
per 100k, 2023
Road deaths
20.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 466
Religion
Roman Catholic 68%Protestant 19%none 8%other 2%

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 Portoviejo (-1.0576°, -80.4514°, elevation 90 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. 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).