Guayaquil weather in August

In August, Guayaquil sees average daytime highs of 27°C and overnight lows near 21°C, with 84 mm of rain across 15.7 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 5% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of August to 12 hours by month's end. Set against the rest of the year, August is Guayaquil's 1st-clearest and 4th-windiest month. For the whole year in context, see Guayaquil's year-round climate.

Daytime high
27°
11th warmest
Overnight low
21°
2nd coldest
Rainfall
84 mm
15.7 wet days
Daylight
11 h 54 min
6:26 AM – 6:21 PM
Cloud cover
76%
1st clearest
Wind
8 km/h
4th windiest
Solar energy
4.16 kWh/m²
Travel score
5.4
out of 10

Guayaquil is city of Ecuador.

Density
7,684/km²
people per km²
Founded
1534

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 27°C through the month.

A typical August day in Guayaquil reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12721
22721
32721
42721
52721
62721
72721
82721
92721
102721
112721
122721
132721
142721
152721
162721
172721
182721
192721
202721
212721
222721
232721
242721
252721
262721
272721
282721
292721
302721
312721

How August really feels in Guayaquil

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.

Guayaquil weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°24923.312.13.7
Feb29° / 24°37825.912.13.0
Mar29° / 24°39426.1123.2
Apr29° / 24°31824.6123.3
May29° / 23°22924.111.93.6
Jun28° / 22°14720.811.94.5
Jul27° / 21°11918.911.95.0
Aug27° / 21°8415.711.95.4
Sep27° / 21°9616.9125.1
Oct27° / 21°7013.9125.5
Nov28° / 21°539.512.15.7
Dec29° / 22°12014.312.14.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32377
42377
52278
62278
72278
82278
92080
101981
111981
121981
131882
141882
151882
161783
171783
181783
191783
201684
211684
221684
231684
241684
251684
261684
271783
281783
291882
301981
311981

Chance of precipitation in August

Any precipitation

Guayaquil gets around 84 mm of rain over 15.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 52% and peaks near 55% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
152
251
351
451
551
651
751
851
951
1051
1152
1252
1352
1452
1552
1652
1752
1851
1951
2051
2151
2251
2351
2452
2552
2652
2753
2853
2954
3054
3155

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
118316
228315
328414
428414
528513
628513
728513
828612
928612
1028711
1128711
1228711
1318910
1418910
151909
161909
171909
181909
191918
201918
212908
222908
232908
242908
252908
262908
272908
282908
292908
301918
311927

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 11 h 54 min 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 6 minutes over August. Sunrise moves from 6:28 AM to 6:21 AM, and sunset from 6:23 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:286:23
211.96:286:23
311.96:286:23
411.96:286:23
511.96:286:23
611.96:286:23
711.96:286:22
811.96:286:22
911.96:276:22
1011.96:276:22
1111.96:276:22
1211.96:276:22
1311.96:276:22
1411.96:266:22
1511.96:266:22
1611.96:266:21
1711.96:266:21
1811.96:256:21
1911.96:256:21
2011.96:256:21
2111.96:246:21
2211.96:246:20
2311.96:246:20
2411.96:236:20
2511.96:236:20
2611.96:236:20
2711.96:226:19
2811.96:226:19
2912.06:226:19
3012.06:216:19
3112.06:216:18

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.16 kWh/m².

For context, solar energy here swings from a low near 3.49 kWh/m² to a high of 4.5 kWh/m² in November across the year — August's 4.16 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.4Bright
Planning a trip in August

Hazard calendar for Guayaquil

In seasonPeak

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

Guayaquil's rainy season runs January–May, when most of the year's rain falls.

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

Is August a good time to visit Guayaquil?

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

5.4
Sightseeing
3rd-best month of the year
5.4
Beach & pool
4th-best month of the year

August is a reasonable time to visit Guayaquil for sightseeing.

What to pack for Guayaquil in August

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

In August, Guayaquil sees daytime highs around 27°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 16 days see rain.

rain gearlight clothes

Sea temperature near Guayaquil in August

The nearest coast averages about 23°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 55 km away) is warmest in March at about 27°C and coldest in September near 23°C.

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

22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar27Warm
Apr26Warm
May26Warm
Jun25Warm
Jul24Refreshing
Aug23Refreshing
Sep23Refreshing
Oct23Refreshing
Nov24Refreshing
Dec25Warm

UV index in Guayaquil 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 Guayaquil peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 highExtremeMar 11UV 15Jul 14UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr12Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep11Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Guayaquil 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 Guayaquil is worst in March — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (August, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1621 µg/m³Aug 179 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb19Moderate
Mar21Moderate
Apr19Moderate
May15Moderate
Jun12Moderate
Jul10Good
Aug9Good
Sep10Good
Oct14Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Guayaquil?

Guayaquil sits at 2.2°S, 79.9°W, 14 m above sea level, in Ecuador. The nearest listed city is Eloy Alfaro, 6.0 km away.

Topography around Guayaquil

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

Within 3 km, the terrain around Guayaquil has only modest variations in elevation — a maximum elevation change of 86 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 463 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,581 m.

The land around Guayaquil is covered by artificial surfaces (58%) and water (27%) within 3 km, water (28%) and artificial surfaces (26%) within 16 km, and trees (37%) and grassland (24%) within 80 km.

3 km
86 m
16 km
463 m
80 km
3,581 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Eloy Alfaro 6.0 km · Yaguachi Nuevo 24 km · El Triunfo 31 km · Samborondón 32 km · Milagro 33 km · Daule 39 km · Naranjito 47 km · Pedro Carbo 57 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 Guayaquil (-2.1962°, -79.8862°, elevation 14 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).