Tumaco weather in August

In August, Tumaco sees average daytime highs of 27°C and overnight lows near 24°C, with 210 mm of rain across 27.1 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 11th-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 1% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of August to 12 hours by month's end. Set against the rest of the year, August is Tumaco's 11th-clearest and 2nd-windiest month. For the whole year in context, see Tumaco's year-round climate.

Daytime high
27°
8th warmest
Overnight low
24°
4th coldest
Rainfall
210 mm
27.1 wet days
Daylight
12 h 06 min
6:17 AM – 6:21 PM
Cloud cover
87%
11th clearest
Wind
14 km/h
2nd windiest
Solar energy
4.23 kWh/m²
Travel score
3.8
out of 10

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 Tumaco reaches about 27°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 27°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12724
22724
32724
42724
52724
62724
72724
82724
92724
102724
112724
122724
132724
142724
152724
162724
172724
182724
192724
202724
212724
222724
232724
242724
252724
262724
272724
282724
292724
302724
312724

Tumaco weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°46128.711.93.7
Feb27° / 25°32723.911.93.9
Mar27° / 25°29323.9124.2
Apr27° / 25°37925.6123.9
May27° / 25°40428.412.13.6
Jun27° / 25°2882712.13.7
Jul27° / 24°24827.412.13.7
Aug27° / 24°21027.112.13.8
Sep27° / 24°23025.8123.9
Oct27° / 24°27025.5124.0
Nov26° / 24°19921.911.94.4
Dec27° / 24°31225.511.94.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 6% of August, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6991
7892
8892
9892
10892
11892
12892
13892
14793
15793
16793
17793
18595
19595
20595
21595
22496
23496
24496
25496
26496
27496
28595
29595
30595
31595

Chance of precipitation in August

Any precipitation

Tumaco gets around 210 mm of rain over 27.1 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 87% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
388
488
588
688
789
889
989
1089
1189
1289
1389
1489
1588
1688
1788
1888
1987
2087
2187
2286
2386
2486
2585
2685
2785
2885
2985
3085
3185

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11972
21972
31972
41972
51972
60991
70991
80991
90991
100991
110991
120991
130991
140991
150991
160991
170991
180991
191981
201981
211981
221981
231981
240991
250991
260991
270991
280991
290991
3001000
3101000

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 06 min at the start of August to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over August. Sunrise moves from 6:19 AM to 6:14 AM, and sunset from 6:24 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:196:24
212.16:196:23
312.16:196:23
412.16:196:23
512.16:196:23
612.16:196:23
712.16:196:23
812.16:196:23
912.16:186:23
1012.16:186:22
1112.16:186:22
1212.16:186:22
1312.16:186:22
1412.16:186:22
1512.16:186:21
1612.16:176:21
1712.16:176:21
1812.16:176:21
1912.16:176:20
2012.16:176:20
2112.16:176:20
2212.16:166:19
2312.06:166:19
2412.06:166:19
2512.06:166:18
2612.06:156:18
2712.06:156:18
2812.06:156:17
2912.06:156:17
3012.06:146:17
3112.06:146:16

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.23 kWh/m².

For context, solar energy here swings from a low near 3.93 kWh/m² to a high of 4.76 kWh/m² in March across the year — August's 4.23 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in August

Is August a good time to visit Tumaco?

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

3.8
Sightseeing
8th-best month of the year
3.8
Beach & pool
8th-best month of the year

August is a weaker month for outdoor sightseeing in Tumaco.

What to pack for Tumaco in August

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

In August, Tumaco sees daytime highs around 27°C and nights near 24°C. Pack rain gear. Worth having: light clothes. About 27 days see rain.

rain gearlight clothes

Sea temperature near Tumaco in August

The nearest coast averages about 27°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 13 km away) is warmest in May at about 28°C and coldest in December near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Warm
Jun27Warm
Jul27Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov27Warm
Dec27Warm

UV index in Tumaco 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 Tumaco peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 20 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 15Jul 20UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tumaco 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 Tumaco is worst in March — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (July, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateMar 1716 µg/m³Jul 188 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar17Moderate
Apr14Moderate
May11Good
Jun9Good
Jul8Good
Aug9Good
Sep9Good
Oct10Good
Nov13Moderate
Dec12Good
Location & terrain

Where is Tumaco?

Tumaco sits at 1.8°N, 78.8°W, 1 m above sea level, in Colombia. The nearest listed city is San Lorenzo de Esmeraldas, 56 km away.

El CharcoEsmeraldasSamaniegoProvidenciaTúquerresTulcánPupiales

Topography around Tumaco

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

Within 3 km, the terrain around Tumaco has only modest variations in elevation — a maximum elevation change of 25 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, large variations in elevation — a maximum elevation change of 748 m.

The land around Tumaco is covered by mangroves (44%) and water (30%) within 3 km, water (53%) and trees (27%) within 16 km, and trees (53%) and water (40%) within 80 km.

3 km
25 m
16 km
70 m
80 km
748 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: San Lorenzo de Esmeraldas 56 km · El Charco 108 km · Esmeraldas 133 km · Samaniego 142 km · Providencia 150 km · Túquerres 152 km · Tulcán 162 km · Pupiales 164 km

Colombia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 / 240 V · 60 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$8,562
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
74%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
15.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 480
Religion
Roman Catholic 64%Protestant 17%none 14%atheist 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 Tumaco (1.7911°, -78.7927°, elevation 1 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).