Lagos weather in August

In August, Lagos sees average daytime highs of 23°C and overnight lows near 19°C, with 2 mm of rain across 0.3 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 88% of the time in August, and the air most often feels humid.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Lagos's 2nd-clearest and 7th-windiest month. For the whole year in context, see Lagos's year-round climate.

Daytime high
23°
1st warmest
Overnight low
19°
12th coldest
Rainfall
2 mm
0.3 wet days
Daylight
13 h 24 min
5:56 AM – 7:22 PM
Cloud cover
15%
2nd clearest
Wind
20 km/h
7th windiest
Solar energy
7.02 kWh/m²
Travel score
9.2
out of 10

Lagos is human settlement in Portugal.

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 23°C through the month.

A typical August day in Lagos reaches about 23°C in the afternoon and slips back to 19°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, August runs on par with July and on par with September.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12319
22319
32319
42319
52319
62319
72319
82319
92319
102319
112319
122319
132319
142319
152319
162319
172319
182319
192319
202319
212319
222319
232219
242219
252219
262219
272219
282219
292219
302219
312219

Lagos weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 12°547.79.74.9
Feb15° / 12°476.310.65.0
Mar16° / 13°486.611.75.6
Apr17° / 14°376.312.96.1
May19° / 16°224.1147.3
Jun21° / 18°40.814.58.5
Jul22° / 19°00.114.39.2
Aug23° / 19°20.313.49.2
Sep22° / 19°172.712.38.4
Oct20° / 17°606.8117.1
Nov18° / 15°657.8106.2
Dec16° / 13°828.39.55.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 88% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 7% of August, with mostly cloudy or overcast conditions the remaining 5%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1973
2973
3973
4964
5964
6964
7964
8964
9964
10955
11955
12955
13955
14955
15955
16955
17955
18955
19946
20946
21946
22946
23946
24955
25955
26946
27946
28946
29937
30937
31919

Chance of precipitation in August

Any precipitation

Lagos gets around 2 mm of rain over 0.3 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
242
252
262
272
282
292
302
312

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11167112
21167112
31167013
41166914
51166914
61166815
71166815
81166716
91166716
101166716
111156816
121156816
131156816
141146916
151146916
161146916
171146916
181146916
190147016
200147016
210156916
220156916
230156817
240156817
250156817
260166717
270166618
280166618
290166618
300166618
310166618

Wind in August

Winds average 20 km/h in August.

Across August, daily wind ranges from about 19 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1320breezy
1420breezy
1520breezy
1620breezy
1720breezy
1820breezy
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 54 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:43 AM to 6:09 AM, and sunset from 7:38 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:437:38
213.95:447:37
313.95:457:37
413.85:467:36
513.85:467:35
613.85:477:33
713.75:487:32
813.75:497:31
913.75:507:30
1013.65:517:29
1113.65:517:28
1213.65:527:27
1313.55:537:26
1413.55:547:24
1513.55:557:23
1613.45:567:22
1713.45:577:21
1813.45:577:19
1913.35:587:18
2013.35:597:17
2113.36:007:15
2213.26:017:14
2313.26:027:12
2413.16:037:11
2513.16:037:10
2613.16:047:08
2713.06:057:07
2813.06:067:05
2913.06:077:04
3012.96:087:02
3112.96:097:01

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.02 kWh/m².

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 7.84 kWh/m² in July across the year — August's 7.02 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.4Intense
47.4Intense
57.4Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.2Intense
117.2Intense
127.2Intense
137.1Intense
147.1Intense
157.1Intense
167.0Intense
177.0Intense
187.0Intense
196.9Intense
206.9Intense
216.9Intense
226.8Intense
236.8Intense
246.7Intense
256.7Intense
266.7Intense
276.6Intense
286.6Intense
296.5Intense
306.5Intense
316.4Intense
Planning a trip in August

Is August a good time to visit Lagos?

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

9.2
Sightseeing
1st-best month of the year
6.7
Beach & pool
1st-best month of the year

August is one of the better times to visit Lagos for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Lagos in August

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

In August, Lagos sees daytime highs around 23°C and nights near 19°C. Pack sun protection. Worth having: light clothes and a windbreaker.

sun protectionlight clothesa windbreaker

Sea temperature near Lagos in August

The nearest coast averages about 20°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 20°C and coldest in February near 15°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

14°16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May17Cool
Jun19Cool
Jul19Cool
Aug20Cool
Sep20Refreshing
Oct19Cool
Nov18Cool
Dec17Cool

UV index in Lagos in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lagos peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 14UV 10Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar7High
Apr8Very high
May7Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep6High
Oct5High
Nov3Moderate
Dec2Low
Location & terrain

Where is Lagos?

Lagos sits at 37.1°N, 8.7°W, 12 m above sea level, in Portugal. The nearest listed city is Porto de Mós, 2.0 km away.

Topography around Lagos

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

Within 3 km, the terrain around Lagos has only modest variations in elevation — a maximum elevation change of 106 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 253 m; within 80 km, large variations in elevation — a maximum elevation change of 894 m.

The land around Lagos is covered by water (37%) and grassland (34%) within 3 km, water (48%) and grassland (24%) within 16 km, and water (51%) and grassland (21%) within 80 km.

3 km
106 m
16 km
253 m
80 km
894 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Porto de Mós 2.0 km · Portimão 13 km · Albufeira 38 km · Quarteira 51 km · Loulé 58 km · Faro 67 km · Olhão 74 km · Quelfes 76 km

Portugal travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$32,082
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2022
Road deaths
8.2
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 612
Religion
Catholic 68%not applicable 13%no religion 12%no response 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 Lagos (37.102°, -8.6742°, elevation 12 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).