Ntoum weather in August

In August, Ntoum sees average daytime highs of 27°C and overnight lows near 22°C, with 42 mm of rain across 9.3 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 27°C through the month. The sky is clear or mostly clear about 0% 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 Ntoum's 7th-clearest and 1st-windiest month. For the whole year in context, see Ntoum's year-round climate.

Daytime high
27°
11th warmest
Overnight low
22°
2nd coldest
Rainfall
42 mm
9.3 wet days
Daylight
12 hours
6:25 AM – 6:25 PM
Cloud cover
84%
7th clearest
Wind
8 km/h
1st windiest
Solar energy
3.44 kWh/m²
Travel score
6.0
out of 10

Ntoum is city in Gabon.

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 Ntoum reaches about 27°C in the afternoon and slips back to 22°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12722
22722
32722
42722
52722
62722
72722
82722
92722
102722
112722
122722
132722
142722
152722
162722
172722
182723
192723
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302823
312823

How August really feels in Ntoum

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.

Ntoum 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
Jan29° / 24°24829.6122.8
Feb30° / 24°24026.6122.7
Mar30° / 24°29829.7122.6
Apr30° / 24°27027.7122.7
May30° / 24°23027.6123.0
Jun28° / 23°8012.8125.3
Jul27° / 22°357.5126.4
Aug27° / 22°429.3126.0
Sep28° / 23°16223.3124.0
Oct29° / 23°36830.4122.9
Nov29° / 23°38829.7122.8
Dec29° / 24°30830.3122.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5694
6694
7694
8694
9694
10694
11694
12595
13595
14595
15595
16496
17496
18496
19496
20397
21397
22397
23397
24397
25397
26397
27397
28397
29496
30496
31496

Chance of precipitation in August

Any precipitation

Ntoum gets around 42 mm of rain over 9.3 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 31% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
118
218
319
419
520
621
721
822
923
1024
1125
1226
1328
1429
1530
1631
1732
1833
1934
2035
2136
2237
2338
2439
2540
2641
2742
2843
2945
3046
3148

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
14951
24852
34852
44654
54555
64456
74357
84159
94060
103961
113763
123664
133565
143367
153268
163169
172971
182872
192773
202674
212575
222476
232377
242278
252179
262080
271981
281882
291783
301684
311585

Wind in August

Winds average 8 km/h in August, the windiest month of the year.

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 6:26 AM to 6:21 AM, and sunset from 6:28 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:266:28
212.06:266:27
312.06:266:27
412.06:266:27
512.06:266:27
612.06:266:27
712.06:266:27
812.06:266:27
912.06:266:27
1012.06:266:27
1112.06:266:26
1212.06:256:26
1312.06:256:26
1412.06:256:26
1512.06:256:26
1612.06:256:25
1712.06:246:25
1812.06:246:25
1912.06:246:25
2012.06:246:24
2112.06:246:24
2212.06:236:24
2312.06:236:24
2412.06:236:23
2512.06:236:23
2612.06:226:23
2712.06:226:23
2812.06:226:22
2912.06:216:22
3012.06:216:22
3112.06:216:21

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.44 kWh/m².

For context, solar energy here swings from a low near 3.35 kWh/m² to a high of 4.69 kWh/m² in March across the year — August's 3.44 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in August

Is August a good time to visit Ntoum?

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

6.0
Sightseeing
2nd-best month of the year
6.2
Beach & pool
2nd-best month of the year

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

What to pack for Ntoum in August

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

In August, Ntoum sees daytime highs around 27°C and nights near 22°C. Pack light clothes. Worth having: rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Ntoum 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 43 km away) 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 Ntoum 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 Ntoum 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 Ntoum 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 Ntoum 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 Ntoum?

Ntoum sits at 0.4°N, 9.8°E, 11 m above sea level, in Gabon. The nearest listed city is Owendo, 31 km away.

AkandaOyamLambarénéBataPort-GentilCiudad de la Paz

Topography around Ntoum

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

Within 3 km, the terrain around Ntoum has only modest variations in elevation — a maximum elevation change of 85 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 299 m; within 80 km, large variations in elevation — a maximum elevation change of 908 m.

The land around Ntoum is covered by trees (85%) within 3 km, trees (88%) within 16 km, and trees (66%) and water (26%) within 80 km.

3 km
85 m
16 km
299 m
80 km
908 m
treesgrasslandartificial surfaceswatermangroves
August weather nearby: Owendo 31 km · Libreville 34 km · Akanda 54 km · Oyam 122 km · Lambaréné 132 km · Bata 164 km · Port-Gentil 165 km · Ciudad de la Paz 178 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 Ntoum (0.3905°, 9.761°, elevation 11 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).