Libreville weather in August

In August, Libreville sees average daytime highs of 26°C and overnight lows near 23°C, with 36 mm of rain across 8.2 wet days and about 12 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 2% of the time in August, and the air most often feels oppressive.

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 Libreville's 3rd-clearest and 1st-windiest month. For the whole year in context, see Libreville's year-round climate.

Daytime high
26°
11th warmest
Overnight low
23°
2nd coldest
Rainfall
36 mm
8.2 wet days
Daylight
12 hours
6:26 AM – 6:27 PM
Cloud cover
77%
3rd clearest
Wind
13 km/h
1st windiest
Solar energy
4.15 kWh/m²
Travel score
6.5
out of 10

Libreville is capital city of Gabon.

Density
4,477/km²
people per km²
Founded
1849

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 26°C through the month.

A typical August day in Libreville reaches about 26°C in the afternoon and slips back to 23°C overnight — a 3°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)
12623
22623
32623
42623
52623
62623
72623
82623
92623
102623
112623
122623
132623
142623
152623
162623
172623
182623
192623
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302724
312724

How August really feels in Libreville

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.

Libreville weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°25029.1123.2
Feb29° / 25°21625.7123.1
Mar29° / 25°27028.8123.0
Apr29° / 25°26127.4123.0
May29° / 25°24426.6123.5
Jun27° / 24°8212.4125.8
Jul26° / 23°336.8126.7
Aug26° / 23°368.2126.5
Sep27° / 24°15121.4124.5
Oct28° / 24°35930.3123.4
Nov28° / 24°39329.6123.3
Dec28° / 24°31630.2123.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32476
42476
52476
62377
72377
82377
92278
102278
112278
122080
132080
141981
151981
161882
171882
181783
191684
201684
211585
221585
231585
241486
251486
261486
271486
281585
291585
301585
311585

Chance of precipitation in August

Any precipitation

Libreville gets around 36 mm of rain over 8.2 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 27% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
115
215
315
416
516
617
718
818
919
1020
1122
1223
1324
1425
1527
1628
1729
1830
1931
2032
2132
2233
2334
2435
2536
2636
2737
2838
2939
3040
3141

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 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
14456
24357
34258
44060
53961
63763
73565
83466
93268
103070
112971
122773
132674
142476
152377
162278
172179
182080
192080
201981
211981
221882
231783
241684
251684
261585
271486
281387
291288
301189
311090

Wind in August

Winds average 13 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

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 6:28 AM to 6:22 AM, and sunset from 6:29 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:286:29
212.06:286:29
312.06:286:29
412.06:286:29
512.06:276:28
612.06:276:28
712.06:276:28
812.06:276:28
912.06:276:28
1012.06:276:28
1112.06:276:28
1212.06:276:27
1312.06:266:27
1412.06:266:27
1512.06:266:27
1612.06:266:27
1712.06:266:26
1812.06:256:26
1912.06:256:26
2012.06:256:26
2112.06:256:25
2212.06:256:25
2312.06:246:25
2412.06:246:25
2512.06:246:24
2612.06:236:24
2712.06:236:24
2812.06:236:23
2912.06:236:23
3012.06:226:23
3112.06:226:22

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.15 kWh/m².

For context, solar energy here swings from a low near 3.99 kWh/m² to a high of 4.98 kWh/m² in March across the year — August's 4.15 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in August

Hazard calendar for Libreville

In seasonPeak

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

Libreville's rainy season runs October–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 Libreville?

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

6.5
Sightseeing
2nd-best month of the year
6.3
Beach & pool
2nd-best month of the year

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

What to pack for Libreville in August

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

In August, Libreville sees daytime highs around 26°C and nights near 23°C. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

Sea temperature near Libreville 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 offshore is warmest in March at about 29°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Libreville 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 Libreville peaks around March 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 20UV 13Jun 19UV 8
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar13Extreme
Apr12Extreme
May11Extreme
Jun8Very high
Jul9Very high
Aug9Very high
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec9Very high

Air quality in Libreville 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 Libreville is worst in February — around 46 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (September, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1345 µg/m³Sep 2321 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb46Poor
Mar36Poor
Apr31Moderate
May30Moderate
Jun32Moderate
Jul31Moderate
Aug26Moderate
Sep21Moderate
Oct21Moderate
Nov26Moderate
Dec36Poor
Location & terrain

Where is Libreville?

Libreville sits at 0.4°N, 9.5°E, 8 m above sea level, in Gabon. The nearest listed city is Owendo, 13 km away.

Port-GentilLambarénéOyamBataCiudad de la Paz

Topography around Libreville

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

Within 3 km, the terrain around Libreville has only modest variations in elevation — a maximum elevation change of 59 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 112 m; within 80 km, significant variations in elevation — a maximum elevation change of 560 m.

The land around Libreville is covered by artificial surfaces (60%) and water (28%) within 3 km, water (45%) and trees (23%) within 16 km, and trees (49%) and water (42%) within 80 km.

3 km
59 m
16 km
112 m
80 km
560 m
treesgrasslandartificial surfaceswatermangroves
August weather nearby: Owendo 13 km · Akanda 28 km · Ntoum 34 km · Port-Gentil 144 km · Lambaréné 150 km · Oyam 152 km · Bata 167 km · Ciudad de la Paz 203 km

Gabon travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$8,263
2025
Happiness
5.2 / 10
World Happiness, 2025
Road deaths
23.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Protestant 46%Roman Catholic 30%Muslim 11%none 7%

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 Libreville (0.3924°, 9.4536°, elevation 8 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).